In some cases, red spots may signal an underlying issue like an allergic reaction orskin cancer.
Red Spots on Different Skin Tones
Spots may not look the same on different skin tones.
On darker skin, the rash may appear as a white circle with darker skin surrounding it.
Reproduced with permission from ©DermNetdermnetnz.org2023.
This photo contains content that some people may find graphic or disturbing.
Reproduced with permission from DermNetdermnetnz.org2023.
Treating Heat Rash
Heat rash usually gets better on its own in a few days.
Reproduced with permission from ©DermNetdermnetnz.org2023.
They will prescribe oral or topicalantibioticsto relieve pain and clear up the infection.
While heat rash is sparked by high temperatures and sweat, a sun rash is more likegetting a sunburn.
The bumps can be raised or flat.
Reproduced with permission from © DermNet and © Raimo Suhonendermnetnz.org2023.
The growths might be mistaken for a tumor, but they are not cancer.
Reproduced with permission from DermNet and Raimo Suhonendermnetnz.org2023.
Obencem/iStock/Getty Images Plus
Treating Cherry Angiomas
Cherry angiomas are diagnosed by having a provider look at them.
Obencem/iStock/Getty Images Plus
Usually, they do not require treatment.
Your provider can explain the options forremoving the growths, like lasers or liquid nitrogen.
Usually, these procedures do not hurt.
Reproduced with permission from ©DermNet NZ and ©Waikato District Health Boardwww.dermnetnz.org2022.
Contact Dermatitis
Red or discolored spots on the skin can also be fromcontact dermatitis, a common skin condition.
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.
Reproduced with permission from © DermNetdermnetnz.org2023.
Reproduced with permission from DermNet NZ and Waikato District Health Boardwww.dermnetnz.org2022.
Reproduced with permission from DermNetdermnetnz.org2023.
Ringworm is a common fungal skin infection that causes red,blotchy, circular rash with raised edges.
Reproduced with permission from ©DermNet NZwww.dermnetnz.org2022.
Reproduced with permission from DermNet NZwww.dermnetnz.org2022.
Reproduced with permission from DermNet NZ and Raimo Suhonenwww.dermnetnz.org2022
Ringworm is highly contagious.
It’s very easy to spread it through skin-to-skin contact or by touching contaminated objects or surfaces.
Reproduced with permission from ©DermNet NZ and ©Raimo Suhonenwww.dermnetnz.org2022
Pets can also transmit the fungus that causes ringworm.
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.
Joel Carillet / Getty Images
Bug Bites
Joel Carillet / Getty Images
Bug bites often cause red spots on the skin.
Scratching can delay healing and increase the risk of infection, so it’s important to resist the urge.
For red, itchy bites, over-the-counter treatments can help.
Reproduced with permission from © DermNetdermnetnz.org2023
Tick bitesrequire extra attention.
Watch for any rash or flu-like symptoms, as these can indicateLyme disease.
Lice bitesmay indicate you still have lice on your scalp.
Reproduced with permission from © DermNet New Zealand and © Dr. Richard Ashtonwww.dermnetnz.org2023.
Atopic Dermatitis (Eczema)
Red or discolored spots on the skin can be from chronic skin conditions.
Eczema can also be found on thefeet, toes, and fingers.
Some people with eczema notice redness anditchiness after they take a shower.
Reproduced with permission from © DermNet and © Raimo Suhonendermnetnz.org2023.
Reproduced with permission from DermNetdermnetnz.org2023
Reproduced with permission from DermNet New Zealand and Dr. Richard Ashtonwww.dermnetnz.org2023.
Atopic dermatitis is usually seen in children under the age of 5.
It can usually be diagnosed by a provider through a physical exam.
Reproduced with permission from © DermNet and © Te Whatu Oradermnetnz.org2023.
One example is adrug rash, which pops up if your body has anallergic reaction to a medication.
Drug rashes can appear ashives, rashes, orblistersthat may cover the whole body or just one part.
Reproduced with permission from DermNet and Te Whatu Oradermnetnz.org2023.
Reproduced with permission from © DermNetdermnetnz.org2023.
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.
Reproduced with permission from © DermNetdermnetnz.org2023.
If arashdevelops in the hours, days, or weeks after a new medication, contact your provider immediately.
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.
Reproduced with permission from © DermNet and © Te Whatu Oradermnetnz.org2023.
It isnot a serious condition(benign).
The spots can be scaly and itchy.
It often shows up after an infection.
Reproduced with permission from © DermNet and © 2019 Acta Dermato-Venereologicadermnetnz.org2023.
Sometimes, a person also has aheadache, sore throat, and fever.
Treating Pityriasis Rosea
Sometimes,pityriasis roseawill disappear on its own in six to eight weeks.
However, your healthcare provider may recommend treatments, such as:
9.
Reproduced with permission from ©DermNet and ©Te Whatu Ora Waikatowww.dermnetnz.org2023.
Purpura happens when small blood vessels burst and blood pools under the skin.
For example, when they are widespread it can be a sign of ablood clotting disorder.
Steroids are sometimes prescribed for purpura.
Reproduced with permission from © DermNet New Zealandwww.dermnetnz.org2023.
Intravenous (IV) medications might be needed if a person with purpura has alow platelet count.
Reproduced with permission from DermNet and 2019 Acta Dermato-Venereologicadermnetnz.org2023.
The rash typically develops within a day of exposure to the contaminated water.
Reproduced with permission from © DermNetdermnetnz.org2023.
A psoriasis rash is itchy and red with silveryplaques, most often on the elbows, and knees.
Theplaquesform when the immune system overproduces skin cells.
Reproduced with permission from DermNet and Te Whatu Ora Waikatowww.dermnetnz.org2023.
Lichen Planus.TimoninaIryna / Getty Images
Reproduced with permission from DermNet New Zealandwww.dermnetnz.org2023.
Thetreatment for psoriasisdepends on how severe the lesions are but can include:
12.
Lichen Planus
Red or discolored spots on the skin can also be because of other autoimmune diseases.
Reproduced with permission from © DermNetdermnetnz.org2023.
It typically appears as a flat, itchy, purple rash.
Lichen planus is more common in women and people between the ages of 30 and 60.
TimoninaIryna / Getty Images
Treating Lichen Planus
Lichen planusis not contagious.
Reproduced with permission from © DermNet dermnetnz.org 2023.
To manage symptoms, your healthcare provider may recommend the following:
13.
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.
Reproduced with permission from © DermNetdermnetnz.org2023.
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.
Reproduced with permission from © DermNetdermnetnz.org2023.
They can spread to different parts of the body and form larger patches.
Reproduced with permission from A DermNet dermnetnz.org 2023.
Treating Petechiae
Treatment of petechiae depends on the underlying cause.
Reproduced with permission from © DermNet New Zealand and © Dr. Mashihul Hossainwww.dermnetnz.org2023.
The spots will go away on their own.
The pimples form whenpores become blockedby oil, dead skin cells, andbacteria.
Treating Pimples
Mild acne can often be treated at home withover-the-counter (OTC) acne products.
Reproduced with permission from © DermNetdermnetnz.org2023.
A more severe form of acne, calledcystic acne, may require treatment by a dermatologist.
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.
Reproduced with permission from © DermNetdermnetnz.org2023.
Triggers may include:
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.
Reproduced with permission from ©DermNet and ©Te Whatu Oradermnetnz.org2023.
These include prescriptions for topical products or oral antibiotics that you may need to use for up to weeks.
For example:
Reproduced with permission from DermNet and Te Whatu Oradermnetnz.org2023.
Basal cell carcinoma has several effective treatments includingMohssurgery.
Reproduced with permission from © DermNet and © Te Whatu Ora Waikato dermnetnz.org 2023
Melanoma may require surgical removal of the tumor.
Radiation, chemotherapy, and immunotherapy are other options.
Treating Chicken Pox
Often, children do not need any treatment.
Reproduced with permission from © DermNet and © Te Whatu Oradermnetnz.org2023.
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.
Natalya Maisheva / Getty Images
Antiviral medications may relieve symptoms and speed up healing.
These spots are typically flat and red, often merging into larger blotchy patches as the rash progresses.
The rash typically resolves within four to seven days.
Zay Nyi Nyi / Getty Images
It is managed like other viral infections with rest, fluids, and medications to reduce fever or discomfort.
If you or a child may have measles, contact a healthcare provider immediately.
If youve beenvaccinated, your provider may recommend isolation and symptom management to prevent spreading the virus to others.
Impetigo is marked by red spots or sores on the skin.
Treating Impetigo
Antibiotics are the main treatment for impetigo.
With the right treatment, impetigo usually clears up in about a week, though it may leave scars.
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.
Conditions like heat rash, cherry angiomas, lichen planus, and pityriasis rosea often do not need treatment.
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.2018.02.023
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/
AboutKidsHealth.Heat rash (miliaria).
OSF Healthcare.Heat rash, sun rashwhat’s the difference?.
American Osteopathic College of Dermatology.Angiomas.
Leung AK, Lam JM, Leong KF, Hon KL.
Tinea corporis: an updated review.Drugs Context.
Published 2020 Jul 20. doi:10.7573/dic.2020-5-6
Seattle Children’s Hospital.Ringworm.
2017;8(5):310-318. doi:10.4103/idoj.IDOJ_169_17
Seattle Children’s.Mosquito bite.
Harvard Health Publishing.Bed bug bites: How to identify them, get relief, and prevent future bites.
Apollo Hospitals.Everything it’s crucial that you know about flea bites.
Seattle Children’s.Fire ant sting.
Cedars Sinai.Flea, mite, or chigger bites.
Centers for Disease Control and Prevention.About body lice.
American Academy of Dermatology.Tips to prevent and treat bug bites.
Johns Hopkins Medicine.No-panic guide to head lice treatment.
2015;35(1):161-183. doi:10.1016/j.iac.2014.09.008
National Eczema Association.What is eczema?
“When is a drug rash more than just a rash?”
American Osteopathic College of Dermatology.Pityriasis rosea.
2018;97(1):38-44.
2019;2019(10):CD005068.
doi:10.1002/14651858.CD005068.pub3
Thomas AE, Baird SF, Anderson J.Purpuric and petechial rashes in adults and children: initial assessment.BMJ.
2016;352:i1285.
doi:10.1136/bmj.i1285
National 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.
National Psoriasis Foundation.About psoriasis.
National Psoriasis Foundation.Treatment & Care.
2023;24(3):3038.
Published 2023 Feb 3. doi:10.3390/ijms24033038
Familydoctor.org.Linchen planus.
2023;123(3):36-43.
Apollo Hospitals.Petechiae - Symptoms, causes, treatment, and prevention.
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_17
National Institutes of Health.How skin cells help fight acne.
American Academy of Dermatology Association.Acne: Diagnosis and treatment.
American Academy of Dermatology Association.How to prevent rosacea flare-ups.
National Health Service (NHS).Rosacea.
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.190968
Johns Hopkins Medicine.Measles.
Centers for Disease Control and Prevention.Measles symptoms and complications.