There are many causes of an itchy scalp, but lots of treatments to help.
Having a scalp rash is uncomfortable, and can be frustrating when you dont know whats causing it.
Infections, allergic reactions, and skin conditions can all play a role.
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Or, you may notice a rash on the hairline.
The locations of the rash can be a clue about whats causing it.
Most often, people report itchiness.
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Since we cant see the scalp, itchiness is an important hint that you might have a scalp rash.
Its resulting from an overgrowth of yeast.
Some people will experience red hives because of an allergic reaction.
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Fungal infection
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Ringwormis a fungal infection that causes a red, very itchy rash on the scalp.
When ringworm happens on the scalp, it doesnt necessarily have the ring pattern typically associated with the illness.
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Folliculitis
Reproduced with permission from DermNet and Raimo Suhonenwww.dermnetnz.org2023.
Scalp folliculitishappens when the hair follicles become inflamed.
This causes red, pussing bumps, yellow-crusted sores, and fever.
Reproduced with permission from © DermNet and © Raimo Suhonenwww.dermnetnz.org2023.
Often this rash is on the hairline.
If you have a scalp rash that persists, see your primary care healthcare provider or dermatologist.
They can prescribe medical treatments, ranging from prescription dandruff shampoo tooral medications for scalp psoriasis.
Luckily, there are treatments available for scalp rashes.
MedlinePlus.Dandruff, cradle cap, and other scalp conditions.
American Academy of Dermatology Association.10 reasons your scalp itches and how to get relief.
American Family Physician.Seborrhea: What it is and how to treat it.
National Psoriasis Foundation.Plaque psoriasis.
National Eczema Association.Seborrheic dermatitis.
Laureano AC, Schwartz RA, Cohen PJ.Facial bacterial infections: Folliculitis.Clinics in Dermatology.
2014;32(6):711-714. doi:10.1016/j.clindermatol.2014.02.009
American Academy of Dermatology Association.Seborrheic dermatitis.
