Although less common, other serious conditions can also appear as red rashes, spots, patches or bumps on the skin, including:. White spots on the skin from sun exposure: are they dangerous? Skin cancer, from melanoma to basal cell carcinoma , may also appear in the form of red spots , scaly plaques or moles on the skin.
Make sure to consult a doctor if you are unsure about any bump or spot on your body that:. Do a smart check now with SkinVision and get an instant risk indication. The most dangerous types of skin lesions are skin cancer moles. Normal moles are natural and do no harm. But they always pose a certain risk: if a mole changes in color, size or form it can be dangerous due to skin cancer risk.
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Red spots on the skin, but not itchy? Find out 15 common causes. By SkinVision in Articles. Table of contents. Share this post:. Share on facebook. Share on linkedin. Share on twitter. Share on whatsapp. Check your skin for signs of skin cancer. Start with SkinVision Now. Try SkinVision.
Common causes of non-itchy red spots on the skin There are several potential causes of non-itchy red spots on your skin. Read More: Early melanoma symptoms and how to spot them 6 Allergic reaction One of the most common reasons for red skin spots is rashes that occur from allergic reactions.
View our library: Skin cancer pictures 11 Irritant Contact Dermatitis Irritant contact dermatitis is another term for a rash caused by irritation from a substance. Red spots and Skin cancer Skin cancer, from melanoma to basal cell carcinoma , may also appear in the form of red spots , scaly plaques or moles on the skin.
Melanin is also responsible for hair and eye color. They may be lighter, darker, or a different color, such as red, gray, or blue. It is important that people with this symptom understand the cause of their discolored skin patches in case treatment is necessary.
This article explores the various causes of discolored skin patches and explains which of them require treatment. Birthmarks are patches of discoloration that people have when they are born. Some types of birthmark fade over time, while others may be permanent. Birthmarks are either vascular or pigmented. Vascular birthmarks are red, and they occur due to abnormal blood vessels in the skin.
Pigmented birthmarks are generally white, brown, blue, or gray. They result from a problem with the melanin in the skin. If a person has lighter or darker skin patches, this may signify a skin pigmentation disorder. Type of skin pigmentation disorder include:.
This is a common skin condition that usually affects facial skin and causes brown patches. It affects women more often than men. Triggers of melasma can include sun exposure and hormonal changes. This disease can affect any part of the body.
It causes the cells that produce melanin, known as melanocytes, to stop working correctly, which results in patches of lighter skin. The exact cause of vitiligo is unknown, but a problem with the immune system may be responsible.
Post-inflammatory hyperpigmentation or hypopigmentation. This is a temporary increase or decrease in skin pigment following skin trauma, such as a blister or burn. People with albinism do not produce enough melanin. This leads to little or no pigment in the skin, hair, or eyes. Albinism is a genetic disorder, meaning that a person inherits a faulty gene from one or both of their parents.
Contact dermatitis is a common condition that happens when your skin comes into contact with something that is irritating or that you are allergic to. It usually appears as an itchy red rash with bumps but can also involve swollen, dry, flaky skin on any part of the body.
This photo contains content that some people may find graphic or disturbing. There are two main types of contact dermatitis:. Sometimes you'll know exactly caused the reaction such as coming into contact with poison ivy.
But at other times, it may not be clear. Your healthcare provider may recommend a patch test to determine is the cause is allergic. Contact dermatitis will often clear up on its own in a few weeks as long as you avoid the substance that caused it.
Treatment will vary based on the cause but may include over-the-counter hydrocortisone cream or prescription oral antihistamines to relieve the itch. If you have symptoms of a severe allergic reaction—such as difficulty breathing or swelling of the mouth, lip, or throat—call or go to your nearest emergency room.
Contact dermatitis is caused when an irritant or allergen comes into contact with the skin, causing itchy, red bumps. Contact dermatitis often clears on its own but may benefit from an anti-itch cream or oral antihistamine. Ringworm tinea corporis is a common fungal skin infection that causes a red, blotchy, circular rash with raised edges.
Sometimes ringworm can cause flaking and peeling, but it's typically not painful. It's often seen on the arms and legs, though ringworm can appear on any part of the body. Ringworm is highly contagious and easily spread through skin-to-skin contact or contaminated objects or surfaces. Pets can also transmit the fungus. It's typically diagnosed by a healthcare provider based on its appearance and then treated with an over-the-counter or prescription antifungal cream.
If it's not treated properly, ringworm can spread and may require an oral antifungal drugs. Ringworm is a highly contagious fungal skin infection that causes a red, itchy, ring-shaped rash with raised edges. It is typically treated with topical antifungal creams. A drug rash occurs when your body has an allergic reaction to a medication. It may also be due to drug hypersensitivity or a side effect of the drug such as photosensitive reactions.
Drug rashes can appear as hives, rashes, or blisters. Drug rashes can range from mild to severe Some cases may require emergency care. They tend to cause a diffuse outbreak and, depending on the reaction, may affect the entire body or only certain parts of the body. To diagnose a drug rash , your healthcare provider will review all drugs and supplements you're currently taking. If the condition doesn't clear up after you stop using the medication, your healthcare provider may prescribe other treatments such as steroids or antihistamines to help reduce swelling and pain.
Allergic reactions can be serious and sometimes life-threatening. If a rash develops in the hours, days, or weeks after a new medication, contact your healthcare provider immediately.
A drug rash is any skin reaction that occurs as a result of a drug you take. The appearance can vary, and the reaction can range from mild to life-threatening. If the rash is severe, corticosteroids or antihistamines may be prescribed. Pityriasis rosea is a common, benign rash that usually affects adolescents, teens, and young adults. It usually starts with one larger red spot on the chest, torso, or back, followed by smaller red spots that have a ring-like shape.
The spots can be scaly and itchy. Experts don't know what causes pityriasis rosea, but it is believed to be linked to a viral or bacterial infection. Pityriasis rosea often occurs after an infection and can sometimes involve a headache, sore throat, and fever. Pityriasis rosea is usually diagnosed by its appearance and will sometimes disappear on its own in six to eight weeks.
In some cases, your healthcare provider may recommend a steroid, antihistamine, or antiviral drug to help relieve itching and swelling. Pityriasis rosea typically starts with a single, large red spot on the chest, torso, or back followed by smaller ring-like spots. It usually clears on its own, but a steroid, antihistamine, or antiviral drug may help relieve itching and swelling.
Blood spots purpura are red or purple-colored spots that crop up on the skin or inside the mouth in small or large patches. It happens when small blood vessels burst, causing blood to pool under the skin. While they are generally not a cause for alarm, blood spots may suggest a more serious medical condition like a blood clotting disorder particularly if the spots are widespread.
Your healthcare provider will use a physical exam and blood tests including a platelet count to help diagnosed the cause.
Steroids are sometimes prescribed for people with purpura. For severe cases, intravenous IV medications may be needed to resolve a low platelet count.
Blood spots purpura are red or purplish spots that occur when blood vessels beneath the skin burst. Blood spots may be harmless or a sign of a more serious blood clotting disorder in need of treatment. Atopic dermatitis eczema is a common, chronic skin condition. It causes red, itchy, scaly rashes usually in skin folds such as the elbows, neck, wrists, and behind the knees or ears. Atopic dermatitis is usually seen in children five and younger and is diagnosed with a physical exam.
Treatment may include topical steroid creams, antihistamines, or oral steroids for more severe cases. Experts also recommend keeping the skin well moisturized to reduce flare-ups. Atopic dermatitis is a chronic skin condition that causes red, itchy, scaly rashes, usually around the skin folds of the elbows, neck, ears, knees, or wrists.
Moisturizers, antihistamines, or topical steroid creams may be prescribed to help relieve the symptoms. Swimmer's itch cercarial dermatitis is an itchy, bumpy, red rash that occurs after swimming in water contaminated with parasites known as schistosomes.
The parasites can be found both in freshwater and saltwater habitats. The rash typically develops within a day of exposure to the contaminated water and is not contagious. It's best treated with topical steroids and oral antihistamines. Antibiotics may be used if the infection doesn't go away. Swimmer's itch is an itchy, bumpy, red rash caused by an allergic reaction to microscopic parasites called schistosomes found both in freshwater and saltwater habitats. The rash is typically treated with topical steroids or oral antihistamines.
Psoriasis is an autoimmune skin disorder that can be triggered by stress, medications, infection, injury, or environmental factors. The rash is itchy and red with silvery plaques, most often on the elbows, knees, and scale. The plaques form when the immune system overproduces skin cells. A healthcare provider can diagnose psoriasis by its appearance and occasionally with a skin biopsy. Treatment will vary based on the severity of the lesions and may include topical steroid creams, immune suppressant drugs, and UV light therapy.
Cold compresses, moisturizers, and oatmeal baths can also reduce itching. Psoriasis is an autoimmune disease that causes an itchy, red rash with silvery plaques, most often on the elbows, knees, or scalp. Depending on the severity of the rash, the treatment may involve moisturizers, topical steroids, UV light therapy, and immunosuppressant drugs.
Lichen planus is an autoimmune condition that results in red spots on the inside of the mouth, nails, scalp, genitals, eyes, throat, and digestive tract. It typically appears as a flat, itchy, purple rash and is most commonly seen in women or people ages 30 to Lichen planus isn't contagious, and can either clear up on its own or become a chronic issue. Your healthcare provider will be able to diagnose lichen planus with a physical exam and provide treatment options such as topical steroids , topical retinoids, or oral antihistamines.
While the cause of lichen planus isn't well understood, some experts suspect there could be a genetic component to this autoimmune skin condition. Lichen planus is an autoimmune condition that causes a flat, itchy, purplish rash on the skin and inside the mouth.
Lichen planus usually goes away on its own but may be treated with topical steroids, topical retinoids, or oral antihistamines. Petechiae are small red dots that look like a rash. They often appear suddenly on the arms, legs, stomach, and buttocks.
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