Red Spots On Skin: 19 Causes & What They Look Like (with Pictures) (2025)

Red spots on the skincan be caused byvarious conditionslike allergies, fungal infectionsor rubella. They can also appear due to auto-immune conditions, like lupus or rosacea.

These red spots can present with symptoms likeitching, fever, warmer skin and flaking skin. Some red spots on the skin may even develop into fluid-filled blisters. A sudden redskin rash from an unknown cause should be assessed by yourdoctor immediately.

In addition to inspecting the red spots on the skin, the doctor will evaluate any other symptoms you may be having to reach a diagnosis.Depending on the cause,treatment may include some ointments, painkillers, anti-inflammatories or antibiotics.

What causes red spots on the skin?

The main causes for reddened spots are:

1. Allergies

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What it looks like:Medium-sized patches that are very itchy and may be filled with fluid. They generally appear after contact with plants orfur,or after ingesting some types of medications. Allergy rashesmay also be caused by insect bites or foodpoisoning.

Treatment: Symptoms can be relieved with specific medication to treat allergies, such as: loratadine, corticosteroids (e.g. prednisone), or topical creams (e.g. promethazine). They should be taken asprescribed.

2. Fungal infections

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What it looks like:Patches can be large in sizeand normally affect a specific area of the body. There may also be blisters and the skin in the affected area may be appear to be scaling.

Treatment:It usually includes the use ofantifungal medicine and sometimes even antibiotics. Read more about ways to treat a yeast infection naturally.

3. Heat rash

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What it looks like:Small red patches that normally have little red dots.Theycause a burning sensation and appear mainly on the face, neck, back, chest and thighs. Learn more about the symptoms of a heat rash and what can cause it.

Treatment:There is no specific treatment for heat rash, butthat you should keep the affected area cool and apply cold compresses.

4. Chicken pox

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What it looks like:Small blisters and patches that appear all over the body and cause a lot of itchiness.

Treatment: Plenty of rest,analgesic medication (e.g. acetaminophen) to treatdiscomfort, and betadineon the blisters to prevent infection.Any medications should be used as prescribed, especially when administered to children.

5. Measles

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What it looks like:Small spots that are not itchy or painful but that can spread all over the body. Learn more about the symptoms of measles and complete our online symptom checker if you suspect you may have it.

Treatment:Plenty of rest, hydration and acetaminophen as prescribed. Read more about the measles treatment your doctor may advise.

6. Zika virus

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What it looks like:Little red bumps that are slightly raised and cause itchiness. They usually appear within 3 days ofa mosquito bite. The Zika rash usually appears on the face and then spreads to the rest of the bodyin just a few hours, and lasts for about five days.

Treatment:Rest, hydration and medication for symptom relief asprescribed by a doctor(e.g. acetaminophen).

7. Eczema

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What it looks like:The rash causes a lot of itchiness and can get swollen. This type of rash is very commonin children and in health professionals who wash their hands frequently with antibacterial soap. Learn more about symptoms associated with eczemaand what can cause it.

Treatment: Medication like loratadine, ointments and corticosteroid creams as prescribed by your doctor. Read more about the eczema creams your doctor may prescribe.

8. Scabies

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What it looks like:Arash that usually appears on the hands and the armpits and is extremely itchy, especially at night. Learn more about how scabies is transmitted and the other symptoms associated with it.

Treatment:Creams and ointments prescribed by a doctor, which will vary depending on the intensity of symptoms. Common medications used to treat scabies include ivermectin, crotamiton and permethrin.

9. Rubella (German measles)

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What it looks like:Small, slightly raised bumps that cause itchiness. They normally start on the face and behind the ears, but they quickly spread through the body and last for around three days. Learn more about rubella symptoms and how they may present.

Treatment: Treatment should be followed as instructed by a doctor, who will monitor you until the illness resolves.

10. Atopic dermatitis

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What it looks like:Rashes that are very itchy and may be scaly.

Treatment:Prescription creams and ointments with corticosteroids, as prescribed by a doctor. A dermatitis diet may also be beneficial to some patients.

11. Psoriasis

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What it looks like:Itchy blotches that mayhave a white spot in the middle with dry, red, flaky edges.They are more frequent in people under 30 or over 50. These blotchesare not contagious, but they are linked to genetic factors.See what causes psoriasis and what other symptoms may emerge.

Treatment:Application of creams and topical anti-inflammatories as prescribed bya dermatologist.Increasing sun exposure may also help to resolve skin changes.Dietplaysan important role in the treatment of psoriasis.and you should aim toavoidfatty and processed food, and increase yourintake of foods high in omega-3 and beta carotene.

Also recommended: 5 Home Remedies for Psoriasis (and Other Natural Treatments) tuasaude.com/en/home-remedies-for-psoriasis

12. Lupus

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What it looks like: Red patches that are flat or raised and appear anywhere on the body. They are more frequent in women. Learn about what causes lupus and other symptoms associated with this condition.

Treatment:Corticosteroids and immunosuppressants as prescribedby a doctor. Learn more about how lupus symptoms are managed.

13. Rosacea

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What it looks like:Patches with little vessels that generally appear on the cheeks, forehead and nose. Besides the presence of a rash, the skin is also more sensitive, hot and swollen.

Treatment:Use of neutral soaps and moisturizers can help to control the redness. In some cases, thedermatologist may also prescribe antibiotics or anti-inflammatory medication.

14. Skin cancer

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What it looks like:Small spots or wounds that have an irregular shape andincrease in size with timeand/or bleed.

Treatment:Surgery, radiation therapy or chemotherapy according to the characteristics of the spots.

15. Poor circulation

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What it looks like:Red spots, which can also have a yellowish or brown color, mainly on the legs, in the ankle area. Theyare usually accompanied by other symptoms such as itchy skin, the presence of spider veins or varicose veins, swollen feet or ankles, a tingling sensation or pain. In more severe cases, sores can start to form on the skin.

Red spots frompoor circulation can appear from standing, sitting or lying down for too long, or due to health conditions such as varicose veins, venous insufficiency or deep vein thrombosis, for example. These are related to blood accumulating in the legs due to inadequate blood return to the heart.

Treatment: Treatment should be monitored by a doctor, who may recommend the use of compression stockings to promote optimalblood circulation, Ointments may be applied to the site of inflammation,and oral antibiotics may be needed for infected wounds. Patients are advised to avoidstanding or sitting for long periods of time andto elevate the legs when possibleto avoid blood accumulation.

Check-out how to improve circulation using natural remedies.

16. Erysipelas

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What it looks like:Red patches with raised, irregular edges. Fever, chills and malaise usually appear around 48 hours before the patches appear, which may be accompanied by other symptoms such as a burning sensation in the affected area, itching, pain or increased sensitivity. In the serious cases, blisters may appear on the skin and the skin in the affected area may become darker.

Erysipelas is an infection of the superficial layer of the skin, caused byStreptcoccus pyogenes bacteria. This bacteriacan penetrate the skin throughskin lesions, like wounds or insect bites. This infection can also occur due tochronic venous ulcer or improper managements of the nails, chilblains and athlete's foot. Erysipelasusually affects the legs or feet, and is most common in people who suffer from obesity, poorly controlled diabetes, eczema or leg ulcers.

Treatment: Erysipelas is treated with antibiotics prescribed by a dermatologist.

17. Lichen planus

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What it looks like:Patches that appear in the form of small red or purplish plaques on the skin. These usuallyitch andhave a shiny surface covered in thin white stripes. They most commonly appear on the wrist, ankle or lower back.

Lichen planus is an inflammation of the skin and its causes are not entirely known. However,some factors can increase the risk of the patches appearing, such as hepatitis C, stress or the use of antimalarial drugs, non-steroidal anti-inflammatory drugs or thiazide diuretics.

Treatment: you can use antihistaminesor corticosteroids in the form of ointments or tablets, as prescribed by your dermatologist.

18. Cutaneous scleroderma

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What it looks like:One or more red spots, which can become hardened and white in the center, with reddish edges. Over time, the spots can become darker.

Scleroderma is a chronic autoimmune disease in which there is an overproduction of collagen, leading to the appearance of symptoms on the skin, but it can also affect some internal organs, such as the lungs and heart, or the joints, muscles and blood vessels.

Treatment:Cutaneous scleroderma can be treated with the use of corticoids in the form of ointments or tablets, prescribed by a dermatologist.

19. Dengue

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Dengue is an infection caused by Flavivirus viruses ofserotypes DENV-1, 2, 3 or 4. It is transmitted through the bite ofAedes aegypti mosquitoes, and causessymptoms like fever andred spots on the skin, mainly on the legs or chest.

Other symptoms of dengue are headaches, muscle aches,pain behind the eyes and general malaise. Read more about dengue symptoms to monitor.

How to treat:Dengue treatment should be carried out as directed by ageneral practitioner or infectious disease specialist. The doctormay prescribe dengue medications like acetaminophento relieve symptoms. It is also essential to rest and drink plenty of water.

Also recommended: Diet for Dengue Patients: What to Eat During Treatment (w/ Meal Plan) tuasaude.com/en/foods-that-can-speed-up-recovery-from-dengue

In moreserious cases,or with hemorrhagicdengue, treatment involves hospitalization to receiveIV fluidsand medication and blood transfusions as needed. Learnmore about dengue treatment that your doctor may consider.

Red Spots On Skin: 19 Causes & What They Look Like (with Pictures) (2025)

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