Red or discolored spots on the skin have a variety of possible causes. For example, contact with something irritating can cause dermatitis, a fungal infection is responsible for ringworm, burst blood vessels cause spots known as purpura, and some autoimmune conditions can cause rashes.
Some spots will go away on their own, but others may need treatment and some conditions require immediate medical care.
Spots on Different Skin TonesSpots may not look the same on different skin tones. For example, acne can look red on lighter skin tones but look like dark spots on darker skin tones.Research has also shown that because medical textbooks often lack diverse skin examples when they teach about skin conditions, providers may have a harder time identifying them.
Spots on Different Skin Tones
Spots may not look the same on different skin tones. For example, acne can look red on lighter skin tones but look like dark spots on darker skin tones.Research has also shown that because medical textbooks often lack diverse skin examples when they teach about skin conditions, providers may have a harder time identifying them.
Heat Rash (Milaria)
Heat rash usually appears in skin folds or on areas of skin where sweat accumulates, such as the armpits, chest, back, arms, and groin.
People who live in hot climates, sweat a lot, or are on prolonged bed rest are more likely to get heat rash.
Treating Heat Rash
Heat rash usually gets better on its own in a few days. To manage symptoms, try the following to lower the temperature of the skin:
If asecondary infectiondevelops, you will need to see a healthcare provider. They will prescribe oral or topicalantibioticsto relieve pain and clear up the infection.
Call your healthcare provider if you notice any signs of infection, including increased pain or swelling around the rash, swollen lymph nodes, or apus-like discharge.
Heat Rash vs. Sun Rash
Cherry Angiomas
Red or discolored spots on the skin can sometimes be acherry angioma(or cherryhemangioma), a small skin growth that appears as a round red or purple spot made up ofblood vessels. The bumps can be raised or flat. The growths might be mistaken for a tumor, but they are not cancer.
Cherry angiomas are common in adults aged 30 and older.They often show up on the torso, but they can also develop on the arms, legs, and scalp. Sometimes, the growths change in size and may bleed, but this does not mean there is a problem.
Obencem / iStock / Getty Images Plus
Treating Cherry Angiomas
Your provider can explain the options forremoving the growths, like lasers or liquid nitrogen. Usually, these procedures do not hurt.
Contact Dermatitis
Red or discolored spots on the skin can also be fromcontact dermatitis, a common skin condition. It occurs when your skin comes into contact with something that is irritating or that you are allergic to.
Contact dermatitis usually shows up as an itchy red or discolored rash with bumps. It can also cause swollen, dry, flaky skin on any part of the body.
There are two main types of contact dermatitis:
Sometimes, it’s easy to figure out what caused the skin reaction—for example, you may have walked through somepoison ivy. If you are not sure what caused the rash, your provider may want you to do apatch testto find out if you are allergic to something that caused the skin reaction.
If you have symptoms ofa severe allergic reaction—such as difficulty breathing or swelling of your mouth, lips, or throat—call 911 or go to the emergency room.
Treating Contact Dermatitis
Contact dermatitis will often clear up on its own in a few weeks as long as you avoid the substance that caused it.Treatment for contact dermatitisdepends on the cause but can include over-the-counter (OTC)hydrocortisone creamor prescription oralantihistaminesto help with the itching.
Ringworm (Tinea Corporis)
Red or discolored spots on the skin can be from infections likeringworm(tinea corporis). Ringworm is a common fungal skin infection that causes red,blotchy, circular rash with raised edges. On darker skin, ringworm may appear lighter than the natural skin tone instead of red.Ringworm can also cause flaking and peeling skin, but it usually does not hurt.
You can get ringworm on any part of your body, but it’s most often found on the arms and legs.
Treating Ringworm
Most cases of ringworm can be treated with over-the-counter (OTC) or prescriptionantifungal cream. If it’s not treated properly,ringwormcan spread and may require anoral antifungal drugto clear up.
Atopic Dermatitis (Eczema)
Red or discolored spots on the skin can be from chronic skin conditions. For example, atopic dermatitis (eczema) is a common skin disorder that causes red or discolored, itchy, scaly rashes usually in skin folds such as the elbows, neck, wrists, and behind the knees or ears. Eczema can also be found on thefeet, toes, and fingers.
Some people with eczema notice redness anditchiness after they take a shower. This can happen if you take hot or long showers or use products that irritate your skin, which dry it out.
Treating Eczema
Thetreatment for atopic dermatitisusually includestopical steroidcreams, antihistamines, or oral steroids for more severe cases.Experts also recommend keeping the skin well moisturized to reduce flare-ups.
Drug Rash
Drug rashes can appear ashives, rashes, orblistersthat may cover the whole body or just one part.
There are two main types of drug reactions:
Treating a Drug Rash
For mild reactions, your provider may prescribe treatments such assteroidsorantihistaminesto help reduce swelling and pain. Severe delayed reactions may require immediate medical attention or hospitalization.
Allergic reactions to medication can be serious and sometimes life-threatening. If arashdevelops in the hours, days, or weeks after a new medication, contact your provider immediately.
Pityriasis Rosea
Red or discolored spots on the skin of kids and teens can be from a condition calledpityriasis rosea. Spots may appear gray, dark brown, or even black on people with darker skin.It is a common rash that usually affects adolescents, teens, and young adults. It isnot a serious condition(benign).
Experts don’t know what causes pityriasis rosea, but it is believed to be linked to a viral or bacterial infection. It often shows up after an infection. Sometimes, a person also has aheadache, sore throat, and fever.
This photo contains content that some people may find graphic or disturbing.See PhotoReproduced with permission from © DermNetdermnetnz.org2023.
This photo contains content that some people may find graphic or disturbing.See Photo
This photo contains content that some people may find graphic or disturbing.
Reproduced with permission from © DermNetdermnetnz.org2023.
Treating Pityriasis Rosea
Sometimes,pityriasis roseawill disappear on its own in six to eight weeks. However, your healthcare provider may recommend treatments, such as:
Blood Spots (Purpura)
Red or discolored spots on the skin can also be blood spots (purpura). These red or purple-colored spots may show up on your skin or inside your mouth in small or large patches. Purpura happens when small blood vessels burst and blood pools under the skin.
This photo contains content that some people may find graphic or disturbing.See PhotoReproduced with permission from © DermNet and © Te Whatu Oradermnetnz.org2023.
Reproduced with permission from © DermNet and © Te Whatu Oradermnetnz.org2023.
Blood spots themselves are not necessarily a problem, but they can be a sign of a more serious medical condition. For example, when they are widespread it can be a sign of ablood clotting disorder.
Treating Purpura
Your provider will do a physical exam and order blood tests (including checking yourplatelet count) to help diagnose the cause of the blood spots.
Steroids are sometimes prescribed for purpura. Intravenous (IV) medications might be needed if a person with purpura has alow platelet count.
Swimmer’s Itch (Cercarial Dermatitis)
Red or discolored spots on the skin after swimming can be from “swimmer’s itch(cercarial dermatitis)” As the name suggests, it’s an itchy, bumpy, red rash that occurs after swimming in water that’s contaminated with parasites known asschistosomes.The parasites can be found both in freshwater and saltwater habitats.
This photo contains content that some people may find graphic or disturbing.See PhotoReproduced with permission from © DermNet and © 2019 Acta Dermato-Venereologicadermnetnz.org2023.
Reproduced with permission from © DermNet and © 2019 Acta Dermato-Venereologicadermnetnz.org2023.
The rash typically develops within a day of exposure to the contaminated water.
Treating Swimmer’s Itch
While a swimmer’s itch rash is not contagious, it does need to be treated to ensure it clears up properly.
Topical steroids and oral antihistamines can treat the symptoms, and antibiotics might be needed if the infection doesn’t get better.
Psoriasis
A psoriasis rash is itchy and red with silveryplaques, most often on the elbows, and knees. Theplaquesform when the immune system overproduces skin cells.
Treating Psoriasis
Todiagnose psoriasis, your healthcare provider will often only need to do a visual examination, but in some cases, a skin biopsy may be needed.
Thetreatment for psoriasisdepends on how severe the lesions are but can include:
Lichen Planus
The cause of lichen planus isn’t well understood, but some experts think there could be a genetic component to the condition. Lichen planus is more common in women and people between the ages of 30 and 60.
This photo contains content that some people may find graphic or disturbing.See PhotoTimoninaIryna / Getty Images
TimoninaIryna / Getty Images
Treating Lichen Planus
Lichen planusis not contagious. Sometimes it will clear up without treatment within a year.However, it can also be a problem that comes back.
To manage symptoms, your healthcare provider may recommend the following:
Petechiae
Petechiaeis a condition in which small red or discolored rash-like dots appear on the skin. They occur when tiny blood vessels beneath the skin burst. The dots tend to be smaller and more diffuse than cherry angiomas. The condition may not be as visible on darker skin.
Petechiae red or discolored marks are not raised and do not itch. They can spread to different parts of the body and form larger patches.
Petechiae is actually a symptom of an underlying health problem such as:
Leukemia SpotsPetechiae may be a symptom ofleukemia. Known commonly as “leukemia spots,” they look like pinhead-sized red spots on the skin and are a sign of low platelet count.
Leukemia Spots
Petechiae may be a symptom ofleukemia. Known commonly as “leukemia spots,” they look like pinhead-sized red spots on the skin and are a sign of low platelet count.
Treating Petechiae
Treatment of petechiae depends on the underlying cause. Your provider will need to examine the skin to determine if it is due to an infection like strep throat orscarlet feveror another illness or disorder.
If there’s no sign of infection and the spots are not spreading, petechiae may not need to be treated. The spots will go away on their own.
However, if a person also has a fever it can be a sign of a serious infection that needs to be treated right away.
Pimples (Acne Vulgaris)
Treating Pimples
Treatment for acne includes topical acne medications, oral antibiotics isotretinoin, steroid injections,chemical peels, andhormonal contraceptives.
Rosacea
Red or discolored spots on the skin of your face that look “splotchy” can be asign ofrosacea, a skin condition that causes redness or blushing across the face that comes and goes. It also causes a feeling of burning or stinging when applying water or skincare products to the affected areas.
The causes of rosacea are not well understood, but it does run in families. Triggers may include:
This photo contains content that some people may find graphic or disturbing.See PhotoReproduced with permission from © DermNet New Zealand and © Dr. Mashihul Hossainwww.dermnetnz.org2023.
Reproduced with permission from © DermNet New Zealand and © Dr. Mashihul Hossainwww.dermnetnz.org2023.
Treating Rosacea
Rosacea can’t be cured, but avoiding triggers can help reduce flare-ups.
When your skin does become irritated, see a healthcare provider for treatment that can reduce symptoms. These include prescriptions topical products or oral antibiotics that you may need to use for up to weeks.
Skin Cancer
In some instances, red or discolored spots could be a sign of cancer.Skin cancer can vary in appearancebased on the cancer type. For example:
This photo contains content that some people may find graphic or disturbing.See PhotoReproduced with permission from ©DermNet and ©Te Whatu Oradermnetnz.org2023.
Reproduced with permission from ©DermNet and ©Te Whatu Oradermnetnz.org2023.
Treating Skin Cancer
Treatment varies widely for different types of cancer and depends on the location and stage of the cancer.
Basal cell carcinoma has several effective treatments includingMohssurgery. This procedure may also be used with squamous cell carcinoma, but that may also be treated with topical medications or other types of surgery.
Melanoma may require surgical removal of the tumor. Radiation, chemotherapy, and immunotherapy are other options.
Chickenpox
Othersymptoms of chickenpoxtypically include:
Treating Chicken Pox
Often, children do not need any treatment. The virus will run its course. However, torelieve the symptomsyou can try calamine lotion and cool baths with baking soda or colloidal oatmeal.
Adults and people with underlying health issues may be at risk for severe cases of chicken pox. If a person has signs of dehydration, swelling, or respiratory problems, they should see a healthcare professional as soon as possible.
Shingles
When to See a Healthcare Provider
Red or discolored spots on your skin can have many causes and you may not be able to figure out why you have them without seeing a provider. They can look at the appearance and severity of therash, your medical history, and any underlying conditions you have.
In general, red flag symptoms along with red spots on your skin include:
If you have red spots on your skin and “red flag symptoms,” seek medical care right away.
Summary
Red or discolored spots on the skin can have many causes. Some are not serious and will get better on their own without treatment. Other underlying causes are serious and may need to be treated.
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Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read oureditorial processto learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.American Academy of Dermatology.How to treat acne in skin of color.Louie P, Wilkes R.Representations of race and skin tone in medical textbook imagery.Soc Sci Med. 2018;202:38-42. doi:10.1016/j.socscimed.2018.02.023American Academy of Family Physicians.Heat rash.Guerra KC, Toncar A, Krishnamurthy K. Miliaria. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024. Available from:https://www.ncbi.nlm.nih.gov/books/NBK537176/AboutKidsHealth.Heat rash (miliaria).OSF Healthcare.Heat rash, sun rash—what’s the difference?.Mount Sinai.Cherry angioma.American Osteopathic College of Dermatology.Angiomas.Johnston GA, Exton LS, Mohd Mustapa MF, et al.British Association of Dermatologists' guidelines for the management of contact dermatitis 2017.Br J Dermatol. 2017;176(2):317-329. doi:10.1111/bjd.15239American Academy of Dermatology Association.Eczema types: Contact dermatitis diagnosis and treatment.Leung AK, Lam JM, Leong KF, Hon KL. Tinea corporis: an updated review.Drugs Context. 2020;9:2020-5-6. Published 2020 Jul 20. doi:10.7573/dic.2020-5-6Seattle Children’s Hospital.Ringworm.Kaul S, Yadav S, Dogra S.Treatment of Dermatophytosis in Elderly, Children, and Pregnant Women.Indian Dermatol Online J. 2017;8(5):310-318. doi:10.4103/idoj.IDOJ_169_17Lyons JJ, Milner JD, Stone KD.Atopic dermatitis in children: clinical features, pathophysiology, and treatment.Immunol Allergy Clin North Am. 2015;35(1):161-183. doi:10.1016/j.iac.2014.09.008National Eczema Association.What is eczema?Chen, Steven. “When is a drug rash more than just a rash?” Harvard Health Publishing.Brangman SA. Appearance of pityriasis rosea in patients with dark skin.Am Fam Physician. 2004;70(5):821.American Osteopathic College of Dermatology.Pityriasis rosea.Vanravenstein K, Edlund BJ.Diagnosis and management of pityriasis rosea.Nurse Pract.2017;42(1):8-11. doi:10.1097/01.NPR.0000511012.21714.66Villalon-gomez JM.Pityriasis rosea: diagnosis and treatment.Am Fam Physician. 2018;97(1):38-44.Contreras-Ruiz J, Peternel S, Jiménez Gutiérrez C, Culav-Koscak I, Reveiz L, Silbermann-Reynoso ML.Interventions for pityriasis rosea.Cochrane Database Syst Rev. 2019;2019(10):CD005068. doi:10.1002/14651858.CD005068.pub3Thomas AE, Baird SF, Anderson J.Purpuric and petechial rashes in adults and children: initial assessment.BMJ. 2016;352:i1285. doi:10.1136/bmj.i1285National Heart, Lung, and Blood Institute.Thrombocytopenia.Tracz ES, Al-jubury A, Buchmann K, Bygum A.Outbreak of swimmer’s itch in Denmark.Acta Derm Venereol. 2019;99(12):1116-20. doi:10.2340/00015555-3309Alexis AF, Blackcloud P. Psoriasis in skin of color: epidemiology, genetics, clinical presentation, and treatment nuances.J Clin Aesthet Dermatol. 2014;7(11):16-24.National Psoriasis Foundation.About psoriasis.National Psoriasis Foundation.Treatment & Care.Vičić M, Hlača N, Kaštelan M, Brajac I, Sotošek V, Prpić Massari L.Comprehensive Insight into Lichen Planus Immunopathogenesis.Int J Mol Sci. 2023;24(3):3038. Published 2023 Feb 3. doi:10.3390/ijms24033038Familydoctor.org.Linchen planus.Pusey-Reid E, Quinn L, Samost ME, Reidy PA. Skin assessment in patients with dark skin tone. Am J Nurs. 2023;123(3):36-43. doi:10.1097/01.NAJ.0000921800.61980.7e.Leukemia & Lymphoma Society.Signs and Symptoms.Ranganathan D, John GT.Therapeutic plasma exchange in renal disorders.Indian J Nephrol. 2019;29(3):151-159. doi:10.4103/ijn.IJN_420_17National Institutes of Health.How skin cells help fight acne.MedlinePlus.Bleeding into the skin.American Academy of Dermatology Association.How to Prevent Rosacea Flare-ups.National Health Service (NHS).Rosacea.Ranmuthu CKI, Hall PN, Funston G, Walter FM.Recognising skin cancer in primary care.Adv Ther.2020;37(1):603–16. doi:10.1007/s12325-019-01130-1Skin Cancer Foundation.Skin Cancer Treatment and Resources.Centers for Disease Control and Prevention.Chapter 22: varicella.Centers for Disease Control and Prevention.Chickenpox (varicella).hah S, Singaraju S, Einstein A, Sharma A.Herpes zoster: A clinicocytopathological insight.J Oral Maxillofac Pathol. 2016;20(3):547. doi:10.4103/0973-029X.190968MedlinePlus.Skin infections.
Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read oureditorial processto learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.
American Academy of Dermatology.How to treat acne in skin of color.Louie P, Wilkes R.Representations of race and skin tone in medical textbook imagery.Soc Sci Med. 2018;202:38-42. doi:10.1016/j.socscimed.2018.02.023American Academy of Family Physicians.Heat rash.Guerra KC, Toncar A, Krishnamurthy K. Miliaria. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024. Available from:https://www.ncbi.nlm.nih.gov/books/NBK537176/AboutKidsHealth.Heat rash (miliaria).OSF Healthcare.Heat rash, sun rash—what’s the difference?.Mount Sinai.Cherry angioma.American Osteopathic College of Dermatology.Angiomas.Johnston GA, Exton LS, Mohd Mustapa MF, et al.British Association of Dermatologists' guidelines for the management of contact dermatitis 2017.Br J Dermatol. 2017;176(2):317-329. doi:10.1111/bjd.15239American Academy of Dermatology Association.Eczema types: Contact dermatitis diagnosis and treatment.Leung AK, Lam JM, Leong KF, Hon KL. Tinea corporis: an updated review.Drugs Context. 2020;9:2020-5-6. Published 2020 Jul 20. doi:10.7573/dic.2020-5-6Seattle Children’s Hospital.Ringworm.Kaul S, Yadav S, Dogra S.Treatment of Dermatophytosis in Elderly, Children, and Pregnant Women.Indian Dermatol Online J. 2017;8(5):310-318. doi:10.4103/idoj.IDOJ_169_17Lyons JJ, Milner JD, Stone KD.Atopic dermatitis in children: clinical features, pathophysiology, and treatment.Immunol Allergy Clin North Am. 2015;35(1):161-183. doi:10.1016/j.iac.2014.09.008National Eczema Association.What is eczema?Chen, Steven. “When is a drug rash more than just a rash?” Harvard Health Publishing.Brangman SA. Appearance of pityriasis rosea in patients with dark skin.Am Fam Physician. 2004;70(5):821.American Osteopathic College of Dermatology.Pityriasis rosea.Vanravenstein K, Edlund BJ.Diagnosis and management of pityriasis rosea.Nurse Pract.2017;42(1):8-11. doi:10.1097/01.NPR.0000511012.21714.66Villalon-gomez JM.Pityriasis rosea: diagnosis and treatment.Am Fam Physician. 2018;97(1):38-44.Contreras-Ruiz J, Peternel S, Jiménez Gutiérrez C, Culav-Koscak I, Reveiz L, Silbermann-Reynoso ML.Interventions for pityriasis rosea.Cochrane Database Syst Rev. 2019;2019(10):CD005068. doi:10.1002/14651858.CD005068.pub3Thomas AE, Baird SF, Anderson J.Purpuric and petechial rashes in adults and children: initial assessment.BMJ. 2016;352:i1285. doi:10.1136/bmj.i1285National Heart, Lung, and Blood Institute.Thrombocytopenia.Tracz ES, Al-jubury A, Buchmann K, Bygum A.Outbreak of swimmer’s itch in Denmark.Acta Derm Venereol. 2019;99(12):1116-20. doi:10.2340/00015555-3309Alexis AF, Blackcloud P. Psoriasis in skin of color: epidemiology, genetics, clinical presentation, and treatment nuances.J Clin Aesthet Dermatol. 2014;7(11):16-24.National Psoriasis Foundation.About psoriasis.National Psoriasis Foundation.Treatment & Care.Vičić M, Hlača N, Kaštelan M, Brajac I, Sotošek V, Prpić Massari L.Comprehensive Insight into Lichen Planus Immunopathogenesis.Int J Mol Sci. 2023;24(3):3038. Published 2023 Feb 3. doi:10.3390/ijms24033038Familydoctor.org.Linchen planus.Pusey-Reid E, Quinn L, Samost ME, Reidy PA. Skin assessment in patients with dark skin tone. Am J Nurs. 2023;123(3):36-43. doi:10.1097/01.NAJ.0000921800.61980.7e.Leukemia & Lymphoma Society.Signs and Symptoms.Ranganathan D, John GT.Therapeutic plasma exchange in renal disorders.Indian J Nephrol. 2019;29(3):151-159. doi:10.4103/ijn.IJN_420_17National Institutes of Health.How skin cells help fight acne.MedlinePlus.Bleeding into the skin.American Academy of Dermatology Association.How to Prevent Rosacea Flare-ups.National Health Service (NHS).Rosacea.Ranmuthu CKI, Hall PN, Funston G, Walter FM.Recognising skin cancer in primary care.Adv Ther.2020;37(1):603–16. doi:10.1007/s12325-019-01130-1Skin Cancer Foundation.Skin Cancer Treatment and Resources.Centers for Disease Control and Prevention.Chapter 22: varicella.Centers for Disease Control and Prevention.Chickenpox (varicella).hah S, Singaraju S, Einstein A, Sharma A.Herpes zoster: A clinicocytopathological insight.J Oral Maxillofac Pathol. 2016;20(3):547. doi:10.4103/0973-029X.190968MedlinePlus.Skin infections.
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Louie P, Wilkes R.Representations of race and skin tone in medical textbook imagery.Soc Sci Med. 2018;202:38-42. doi:10.1016/j.socscimed.2018.02.023
American Academy of Family Physicians.Heat rash.
Guerra KC, Toncar A, Krishnamurthy K. Miliaria. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024. Available from:https://www.ncbi.nlm.nih.gov/books/NBK537176/
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American Academy of Dermatology Association.Eczema types: Contact dermatitis diagnosis and treatment.
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