What causes itchy bumps that look like mosquito bites. How to identify different skin conditions causing itchy rashes. When to seek medical attention for unexplained skin bumps. What are effective treatments for various types of itchy skin rashes.

Common Causes of Itchy Bumps Resembling Mosquito Bites

Experiencing itchy bumps on your skin that look like mosquito bites can be both annoying and concerning, especially when you haven’t been exposed to mosquitoes. These bumps can arise from various skin conditions, ranging from allergic reactions to infections. Understanding the potential causes is crucial for proper diagnosis and treatment.

Hives (Urticaria)

Hives, medically known as urticaria, are a common cause of itchy, raised bumps on the skin. They affect approximately 20% of people at some point in their lives. Hives typically appear as red, purple, or skin-colored welts that can appear and disappear quickly anywhere on the body.

What triggers hives? Common causes include:

• Food allergies (e.g., peanuts, tree nuts, seafood)
• Latex sensitivity
• Pollen allergies
• Insect stings or bites
• Certain medications (e.g., sulfa drugs, aspirin)
• Plant allergies

A characteristic feature of hives is that they turn white or temporarily disappear when pressed. This phenomenon is called “blanching.”

Bed Bug Bites

Bed bug bites can easily be mistaken for mosquito bites. These tiny nocturnal pests feed on human blood, leaving itchy bumps on the skin. Unlike mosquito bites, bed bug bites often appear in a straight line or cluster.

How can you identify bed bug bites? Look for these signs:

• Itchy bumps in a linear pattern
• Bites concentrated on exposed skin during sleep
• Presence of bed bugs, their shed skins, or eggs on bedding
• Tiny blood spots on sheets
• A musty odor in the sleeping area

It’s important to note that bed bug bites can take up to two weeks to appear after the initial bite, making identification challenging.

Contact Dermatitis

Contact dermatitis is an allergic reaction that occurs when the skin comes into contact with an irritant or allergen. This condition can cause itchy bumps, redness, and sometimes blisters that may resemble mosquito bites.

Common triggers for contact dermatitis include:

• Latex
• Certain metals (e.g., nickel in jewelry)
• Household cleaning products
• Cosmetics and personal care items
• Plants (e.g., poison ivy)

The American Academy of Allergy, Asthma & Immunology reports that over 3,700 substances are known to cause contact allergies, highlighting the complexity of this condition.

Scabies

Scabies is a skin infestation caused by the human itch mite. These microscopic parasites burrow into the upper layer of the skin, causing intense itching and a rash that can resemble mosquito bites.

Distinctive features of scabies include:

• Intense itching, especially at night
• Tiny, raised, crooked lines on the skin surface (mite burrows)
• Rash appearing in skin folds (between fingers, under breasts, etc.)
• Spread through close skin-to-skin contact

Diagnosing Itchy Skin Conditions

Accurately diagnosing the cause of itchy bumps on the skin often requires professional medical evaluation. Dermatologists use various techniques to identify the underlying condition:

• Visual examination of the skin
• Detailed patient history, including potential exposures and triggers
• Skin scrapings or biopsies for microscopic examination
• Allergy testing (for suspected contact dermatitis or hives)
• Blood tests to rule out systemic conditions

Is self-diagnosis reliable for skin conditions? While understanding common symptoms can be helpful, it’s crucial to consult a healthcare professional for accurate diagnosis and appropriate treatment, especially if symptoms persist or worsen.

Treatment Options for Itchy Skin Rashes

The treatment for itchy bumps on the skin varies depending on the underlying cause. However, some general self-care practices can provide relief for many conditions:

• Avoid scratching to prevent further irritation and potential infection
• Apply cold compresses to soothe itchy areas
• Use gentle, hypoallergenic soaps and moisturizers
• Take lukewarm baths with colloidal oatmeal or baking soda
• Wear loose-fitting, breathable clothing

Specific Treatments for Common Conditions

For hives (urticaria):

• Over-the-counter antihistamines (e.g., cetirizine, loratadine)
• Prescription-strength antihistamines or corticosteroids for severe cases
• Epinephrine auto-injector for individuals with severe allergies

For bed bug bites:

• Thorough cleaning and treatment of the infested area
• Topical anti-itch creams
• Oral antihistamines for symptomatic relief

For contact dermatitis:

• Identification and avoidance of triggers
• Topical corticosteroids to reduce inflammation
• Oral antihistamines for itching
• Patch testing to identify specific allergens

For scabies:

• Prescription scabicides (e.g., permethrin cream, ivermectin)
• Treatment of all close contacts to prevent reinfestation
• Thorough cleaning of bedding and clothing

Prevention Strategies for Itchy Skin Conditions

While not all itchy skin conditions are preventable, certain strategies can reduce the risk of developing or exacerbating symptoms:

1. Identify and avoid known allergens or irritants
2. Maintain good skin hygiene with gentle, fragrance-free products
3. Use protective clothing and gear when exposed to potential irritants
4. Keep skin moisturized to maintain its natural barrier function
5. Manage stress, as it can trigger or worsen some skin conditions
6. Practice good bed hygiene to prevent bed bug infestations
7. Avoid sharing personal items that come into contact with skin

Can dietary changes help prevent itchy skin conditions? Some individuals may benefit from identifying and eliminating food allergens from their diet. However, it’s essential to consult with a healthcare professional or registered dietitian before making significant dietary changes.

When to Seek Medical Attention

While many itchy skin conditions can be managed with self-care and over-the-counter treatments, certain situations warrant professional medical evaluation:

• Persistent or worsening symptoms despite home treatment
• Signs of infection (e.g., increased redness, warmth, pus)
• Widespread rash covering large areas of the body
• Accompanying symptoms such as fever, difficulty breathing, or swelling
• Rash interfering with daily activities or sleep
• Suspicion of scabies or other contagious skin conditions

How quickly should you see a doctor for an unexplained rash? If you experience rapid onset of symptoms, especially if accompanied by difficulty breathing or swelling, seek immediate medical attention as this could indicate a severe allergic reaction.

Long-Term Management of Chronic Skin Conditions

For individuals dealing with chronic or recurrent itchy skin conditions, developing a long-term management plan is crucial. This may involve:

• Regular follow-ups with a dermatologist or allergist
• Identifying and managing triggers through lifestyle modifications
• Developing a personalized skincare routine
• Exploring alternative therapies such as acupuncture or stress reduction techniques
• Joining support groups or seeking psychological support for coping with chronic conditions

Is it possible to “outgrow” chronic skin conditions? While some individuals may experience improvement or resolution of symptoms over time, many chronic skin conditions require ongoing management. Working closely with healthcare providers can help optimize treatment strategies and quality of life.

Emerging Research and Future Treatments

The field of dermatology is continuously evolving, with ongoing research into new treatments and management strategies for itchy skin conditions. Some promising areas of investigation include:

• Targeted biologic therapies for chronic urticaria
• Novel antipruritic agents that address the underlying mechanisms of itch
• Microbiome-based treatments for various skin conditions
• Advanced diagnostic tools for rapid and accurate identification of skin allergens
• Gene therapy approaches for inherited skin disorders

How might future treatments improve the management of itchy skin conditions? Emerging therapies aim to provide more targeted, effective, and personalized approaches to treatment, potentially offering better symptom control and fewer side effects compared to current options.

As research progresses, individuals suffering from chronic itchy skin conditions can look forward to potentially more effective and tailored treatment options. However, it’s important to maintain realistic expectations and continue working with healthcare providers to manage symptoms using currently available therapies.

In conclusion, while itchy bumps on the skin resembling mosquito bites can be caused by various conditions, understanding the potential causes and appropriate management strategies is crucial. By recognizing symptoms, seeking timely medical attention when necessary, and adhering to recommended treatments, individuals can effectively manage these uncomfortable skin conditions and improve their quality of life.

Itchy bumps on skin like mosquito bites: What are they?

Several skin conditions can cause itchy lumps that resemble bug bites. These include allergic reactions, infections, and chronic conditions.

Most people experience this symptom at some point. Itchy bumps can appear as a result of allergies, infections, insects, and, sometimes, nonidentified factors.

However, there is one general principle that the American College of Allergy, Asthma & Immunology recommend people to follow when their skin itches: Do not scratch it.

Additional general self-care practices for itchy skin include:

• bathing frequently in lukewarm water
• using gentle, hypoallergenic soap
• limiting exposure to the sun
• applying cold compresses
• avoiding tight clothing in areas where itchy bumps appear

Understanding the different conditions that can cause itchy bumps on the skin can help people get appropriate treatment. Depending on the cause, treatment can range from avoiding certain foods to taking prescription medications.

Keep reading to learn more about some common causes of itchy bumps that look like mosquito bites and how to treat them.

The medical term for hives is urticaria, and it describes a condition that produces raised itchy areas on the skin. If a person notices bumps on the skin that resemble mosquito bites but has not had any exposure to mosquitos, the cause is probably acute urticaria. The term “acute” means that the condition does not last longer than 6 weeks.

Hives are very common, affecting about 20% of people at some point in their lives. Certain kinds of foods, such as peanuts, tree nuts, and seafood, cause hives in many people due to an allergic reaction. Latex, pollen, insects, various plants, and some medications, such as sulfa drugs or even aspirin, may also cause hives.

Hives cause characteristic red, purple, or skin colored itchy bumps that appear and disappear quickly anywhere on the body. These bumps typically turn white or disappear when a person presses them.

Treatment

The treatment for hives depends on the severity and cause of the rash, but it includes avoiding known triggers. People who are extremely allergic to a trigger — for example, peanuts or certain insects — may need to carry an epinephrine auto-injector, such as an Epipen. This device can stop a potentially life threatening reaction if a person has accidental contact with a known allergen.

Anti-itching lotions and over-the-counter (OTC) antihistamines can provide relief for mild symptoms, while more intense outbreaks may require stronger prescription versions of these drugs or corticosteroids.

Learn more about hives here.

According to the Centers for Disease Control and Prevention (CDC), bed bug bites can resemble bites from other bugs, although they can take as long as 2 weeks to materialize.

People who notice itchy bumps on the skin that resemble mosquito bites should check for:

• other signs of bed bugs
• bed bugs themselves on a mattress or sheet
• dead bed bugs
• blood spots on a mattress or sheet
• the characteristic musty smell associated with bed bugs

If the bites appear in a straight line, they are likely to be due to bed bugs. However, bed bug bugs can also appear in more random formations.

Treatment

Unless someone has a severe allergic reaction, experts recommend simple self-care practices to treat any bites. These include not scratching, applying OTC antiseptic ointments, and taking antihistamines.

Learn more about bed bugs here.

Contact dermatitis is essentially an allergic reaction that develops when a person’s skin comes into contact with something to which they are allergic, such as latex or certain metals or household products.

It can take 1–2 days for the reaction to develop and 2–3 weeks for symptoms to disappear. Contact dermatitis may hurt as much as it itches, and it may present with inflammation and blisters.

Treatment

Self-care with cold compresses, calamine lotion, and soothing baths can help provide relief.

Prescription medication, such as antihistamines and cortisone, may be necessary if the reaction is severe.

Working with healthcare professionals can help people identify their triggers, which can be complicated.

According to the American Academy of Allergy, Asthma & Immunology, there are more than 3,700 substances known to cause contact allergies. Avoiding triggers is a key part of managing contact dermatitis, along with thoroughly washing the affected area with soap and water after exposure happens.

Learn more about contact dermatitis here.

The human itch mite is responsible for scabies. This mite digs its way through the top layer of the skin and lays eggs. Its tunnels can sometimes be visible on the surface of the skin, where they appear as raised, crooked, skin colored lines. However, the most common symptom of scabies is itchy bumps on the skin. These are like mosquito bites, only smaller.

Sites of the body that this very itchy condition commonly affects include the wrists, the elbows, between the fingers, and behind the knees.

Treatment

Only a prescription lotion will treat scabies effectively, and individuals need to follow the application directions exactly. Anyone who has had extensive skin-to-skin contact with someone with scabies should also seek treatment.

It is very important that people with scabies thoroughly wash and dry all of their clothes, towels, sheets, bedding, and other household items. Other remedies for scabies may also help.

Learn more about scabies here.

Also known as atopic dermatitis, this common condition causes itchy, red, irritated skin that can sometimes develop bumps. In the long term, it can make the skin thicker, scaly, and flaky, as well as causing it to change color.

Scratching makes eczema worse and increases the risk of infection. Eczema occurs due to a combination of genetic and environmental factors, which prompt the immune system to overreact to certain triggers, such as laundry soap or sweating. It typically affects the face, elbows, knees, scalp, and backs of the hands.

Treatment

According to the National Eczema Association, treating eczema calls for a mix of self-care, OTC drugs, and prescription medications. People with eczema can identify and learn to manage or avoid triggers for their outbreaks.

Changing bathing practices and using moisturizer can also help. Prescription lotions, systemic medications, UVB light, and biologics can address more severe symptoms.

Learn more about the different types of eczema here.

Skin problems, such as itchy bumps on the skin similar to mosquito bites, can range from mild to severe.

Some issues, including bed bug bites, can be fleeting, while others, such as allergic reactions to certain foods, are signs of a permanent condition. However, most skin problems generally respond well to treatment.

If the symptoms do not improve with self-care practices, people should see a medical professional to determine what is causing the outbreak and how to treat it.

Itchy bumps on skin like mosquito bites: What are they?

Several skin conditions can cause itchy lumps that resemble bug bites. These include allergic reactions, infections, and chronic conditions.

Most people experience this symptom at some point. Itchy bumps can appear as a result of allergies, infections, insects, and, sometimes, nonidentified factors.

However, there is one general principle that the American College of Allergy, Asthma & Immunology recommend people to follow when their skin itches: Do not scratch it.

Additional general self-care practices for itchy skin include:

• bathing frequently in lukewarm water
• using gentle, hypoallergenic soap
• limiting exposure to the sun
• applying cold compresses
• avoiding tight clothing in areas where itchy bumps appear

Understanding the different conditions that can cause itchy bumps on the skin can help people get appropriate treatment. Depending on the cause, treatment can range from avoiding certain foods to taking prescription medications.

Keep reading to learn more about some common causes of itchy bumps that look like mosquito bites and how to treat them.

The medical term for hives is urticaria, and it describes a condition that produces raised itchy areas on the skin. If a person notices bumps on the skin that resemble mosquito bites but has not had any exposure to mosquitos, the cause is probably acute urticaria. The term “acute” means that the condition does not last longer than 6 weeks.

Hives are very common, affecting about 20% of people at some point in their lives. Certain kinds of foods, such as peanuts, tree nuts, and seafood, cause hives in many people due to an allergic reaction. Latex, pollen, insects, various plants, and some medications, such as sulfa drugs or even aspirin, may also cause hives.

Hives cause characteristic red, purple, or skin colored itchy bumps that appear and disappear quickly anywhere on the body. These bumps typically turn white or disappear when a person presses them.

Treatment

The treatment for hives depends on the severity and cause of the rash, but it includes avoiding known triggers. People who are extremely allergic to a trigger — for example, peanuts or certain insects — may need to carry an epinephrine auto-injector, such as an Epipen. This device can stop a potentially life threatening reaction if a person has accidental contact with a known allergen.

Anti-itching lotions and over-the-counter (OTC) antihistamines can provide relief for mild symptoms, while more intense outbreaks may require stronger prescription versions of these drugs or corticosteroids.

Learn more about hives here.

According to the Centers for Disease Control and Prevention (CDC), bed bug bites can resemble bites from other bugs, although they can take as long as 2 weeks to materialize.

People who notice itchy bumps on the skin that resemble mosquito bites should check for:

• other signs of bed bugs
• bed bugs themselves on a mattress or sheet
• dead bed bugs
• blood spots on a mattress or sheet
• the characteristic musty smell associated with bed bugs

If the bites appear in a straight line, they are likely to be due to bed bugs. However, bed bug bugs can also appear in more random formations.

Treatment

Unless someone has a severe allergic reaction, experts recommend simple self-care practices to treat any bites. These include not scratching, applying OTC antiseptic ointments, and taking antihistamines.

Learn more about bed bugs here.

Contact dermatitis is essentially an allergic reaction that develops when a person’s skin comes into contact with something to which they are allergic, such as latex or certain metals or household products.

It can take 1–2 days for the reaction to develop and 2–3 weeks for symptoms to disappear. Contact dermatitis may hurt as much as it itches, and it may present with inflammation and blisters.

Treatment

Self-care with cold compresses, calamine lotion, and soothing baths can help provide relief.

Prescription medication, such as antihistamines and cortisone, may be necessary if the reaction is severe.

Working with healthcare professionals can help people identify their triggers, which can be complicated.

According to the American Academy of Allergy, Asthma & Immunology, there are more than 3,700 substances known to cause contact allergies. Avoiding triggers is a key part of managing contact dermatitis, along with thoroughly washing the affected area with soap and water after exposure happens.

Learn more about contact dermatitis here.

The human itch mite is responsible for scabies. This mite digs its way through the top layer of the skin and lays eggs. Its tunnels can sometimes be visible on the surface of the skin, where they appear as raised, crooked, skin colored lines. However, the most common symptom of scabies is itchy bumps on the skin. These are like mosquito bites, only smaller.

Sites of the body that this very itchy condition commonly affects include the wrists, the elbows, between the fingers, and behind the knees.

Treatment

Only a prescription lotion will treat scabies effectively, and individuals need to follow the application directions exactly. Anyone who has had extensive skin-to-skin contact with someone with scabies should also seek treatment.

It is very important that people with scabies thoroughly wash and dry all of their clothes, towels, sheets, bedding, and other household items. Other remedies for scabies may also help.

Learn more about scabies here.

Also known as atopic dermatitis, this common condition causes itchy, red, irritated skin that can sometimes develop bumps. In the long term, it can make the skin thicker, scaly, and flaky, as well as causing it to change color.

Scratching makes eczema worse and increases the risk of infection. Eczema occurs due to a combination of genetic and environmental factors, which prompt the immune system to overreact to certain triggers, such as laundry soap or sweating. It typically affects the face, elbows, knees, scalp, and backs of the hands.

Treatment

According to the National Eczema Association, treating eczema calls for a mix of self-care, OTC drugs, and prescription medications. People with eczema can identify and learn to manage or avoid triggers for their outbreaks.

Changing bathing practices and using moisturizer can also help. Prescription lotions, systemic medications, UVB light, and biologics can address more severe symptoms.

Learn more about the different types of eczema here.

Skin problems, such as itchy bumps on the skin similar to mosquito bites, can range from mild to severe.

Some issues, including bed bug bites, can be fleeting, while others, such as allergic reactions to certain foods, are signs of a permanent condition. However, most skin problems generally respond well to treatment.

If the symptoms do not improve with self-care practices, people should see a medical professional to determine what is causing the outbreak and how to treat it.

What to do if bitten by a mosquito and everything itches and itches

Health

June 27

You don’t have to develop willpower.

Why mosquito bites itch so much

Mosquitoes pierce the skin with a special mouth apparatus and suck blood through it. At this time, their saliva, which contains proteins foreign to humans, enters the skin. The immune system reacts to this and inflammation sets in, which manifests itself as an itchy pink bump.

Most people are slightly sensitive to mosquito saliva, so the reaction does not go beyond the bite. But for some, the immune system is more aggressive, so there is a lot of swelling, redness and soreness around. In this case, the temperature may rise, and the general condition may worsen.

How to relieve itching from mosquito bites

Although mosquito bites are very common, there is very little research on their treatment. The fact is that they heal so well: even if you do nothing, the discomfort from the bite will disappear in a couple of days. So scientists tend to focus on diseases that mosquitoes can carry.

This is why most recommendations are based on expert opinion and clinical experience.

Apply an ice cube

Ice slows down blood flow, which means it reduces the reaction to foreign protein – inflammation, pain, swelling and itching. Therefore, apply an ice pack wrapped in a light towel to the bite for at least 10 minutes. Another option is to rub the bump with an ice cube for 30 seconds.

Wipe the bite with an alcohol wipe

Alcohol causes proteins in mosquito saliva to break down, so the reaction should be less. Of course, this will only help immediately after the bite.

Apply calamine lotion

Calamine lotion reduces itching, so may also be useful against mosquito bites.

Apply OTC steroid

Corticosteroids reduce immune response. Therefore, inflammation, itching and pain at the bite sites become less. Apply a very thin layer of cream, such as a hydrocortisone-based cream, spot on the bite.

Apply Antihistamine Ointment

Histamine is a chemical released by immune system cells when it encounters an allergen. So apply antihistamine ointment on the bites to help reduce itching.

Take an over-the-counter antihistamine

For more severe reactions or more bites, you can take an over-the-counter antihistamine to reduce symptoms.

What folk methods can work

These methods have not been tested by scientists to reduce itching from bites. But some of this is used in other situations, and some of it has been tested by experience. So if they help you, use them.

Attach tea bag

The easiest way to apply to the bite is a tea bag that has been wrung out and cooled. You should not use a new one, so that it does not stain the skin.

In addition to ordinary tea, you can take chamomile, as it contains terpenoids and flavonoids, which have antioxidant and antihistamine properties.

Press the sachet against mosquito bites for 10 minutes and then wipe off any remaining tea with a clean towel. You can then put the bag in the refrigerator to make such compresses during the day.

Apply tea tree oil

Tea tree oil reduces inflammation and is said to help with mosquito bites. Remember that it is better not to abuse it, as it can lead to irritation, an allergic reaction and contact dermatitis.

Apply baking soda paste

Add just a little water to baking soda to make a paste. It must be applied pointwise to the bites so that they do not itch so much.

Wipe the bite with vinegar

This substance can also destroy proteins from mosquito saliva, so you can wipe a completely fresh puncture with it.

Apply Aloe Vera Gel

Aloe Leaf Gel contains salicylic acid to help reduce itching and pain. So try spotting it on the bite.

Brush the bite with honey

Honey contains the catalase enzyme, which breaks down protein. Therefore, it can reduce inflammation slightly. In general, anoint the bites with honey, and cover the top with gauze so that nothing sticks to you.

Apply oatmeal

Gluten is said to soothe the skin. Therefore, you can grind the cereal in a blender, and then mix it with a little water to make a thick paste. It must be applied to the bite.

Apply pressure to the bite

Sounds strange, but pressure on the bite helps reduce itching. Someone generally makes two dents in the shape of a cross with a fingernail and thinks that this is the best way. Try different options, but try not to scratch the skin to the point of bleeding.

Grate the bite with an onion or banana

Not sure if it will help, but you can try. True, it is better not to leave onion juice on sensitive skin for a long time, because it can cause irritation.

Pat the bite

Instead of scratching, pat the bite. There is an opinion that in this way you will deceive the brain: it will think that you have scratched yourself.

Apply a hot spoon

Heat is thought to help break down proteins in saliva, but immunologist Catriona Nguyen-Robertson says it’s more likely that you’re shifting your focus away from itching again.

You should be careful with this method: if you overdo it, you may get burned.

When to see a doctor about mosquito bites

See a doctor if:

• your general condition worsens and flu-like symptoms develop;
• you are concerned about an excessive skin reaction;
• bites do not go away after a few days, but rather increase in size;
• you have damaged the bite, and an infection has developed there – it is red, sore, maybe there is a discharge.

Read also 🧐

• How to get rid of mosquitoes in the area
• 7 reasons why you are attractive to mosquitoes
• How to choose the right mosquito repellent for children

7 signs of skin cancer that no one pays attention to

Everyone knows that if a mole has changed size or color, you need to urgently run to an oncologist. But it happens that the body gives much less obvious signals that may indicate a malignant skin tumor.

16,000 Britons are diagnosed with skin cancer every year, and 2,500 of them eventually die, reports the Mirror. The good news is that 80 to 100 percent of cases found in stage 1 or 2 are easily treatable. How not to overlook the tumor, said dermatologist Ross Perry.

1. Unexplained scars

Basalioma. Photo © Wikimedia Commons

If out of nowhere you have a scar that grows in size, this may be a sign of a basalioma. It occurs on areas of the skin that are exposed to intense sun exposure. The scar may look like a waxy thickening. This is the most common form of skin cancer, but, fortunately, the least dangerous if detected early.

2. Eruptions on the eyelids

Basalioma on the eyelid. Photo © BOPSS

Eyelid malignancies may be brown, black, red, or flesh-colored. They can be hard to the touch, itchy and painful, or shiny and waxy. It is important to record all the changes that occur to them. To protect your eyelids from ultraviolet light, you need to wear sunglasses or a hat, and use sunscreen.

3. Black spots under nails

Subungual melanoma. Video screenshot: YouTube / The Doctors

Subungual melanoma can easily be confused with a bruise. Most often, it occurs under the thumbnail as a result of regular injury to this area. If left untreated, subungual melanoma can spread to other parts of the body.

4. Itching of the scalp

Squamous cell carcinoma. Photo © Brown University

If your head is constantly itching, take a close look at the skin under your hair. Scalp cancer is more common in men and there are three types. Firstly, it is a basalioma, but it is rare and not so dangerous. The second form is squamous cell carcinoma. It affects fair-skinned people who are often exposed to the sun, and appears as scaly red spots, open sores, rough, thickened, or warty areas of the skin, and raised, dimpled growths. But the most dangerous form is melanoma, and it looks like a normal mole.

5. Non-healing ulcers

Basalioma. Photo © Wikimedia Commons

These sores can look lumpy, dry and scaly. They can also itch and bleed. All these signs indicate the risk of developing basalioma.

6. Non-healing “insect bites”

Site of mosquito bite. Photo © Wikimedia Commons

Red bumps, which in the warm season can easily be mistaken for mosquito bites, can actually be something much more serious. If they have not gone away even after a few weeks, you should go to the doctor to rule out the risk of developing skin cancer.