What Causes Itchy Scalp?

There are numerous causes of an itchy scalp. Scalp itch may be a mild and temporary condition, or it may be a symptom of a serious condition. Some causes of itchy scalp include:
- Dandruff
- Allergic reaction to hair care products (allergic contact dermatitis) such as shampoo, conditioner, hair dye (para-phenylenediamine, or PPD, found in black hair dyes is a common irritant)
- Hives
- Scabies
- Head lice
- Scalp psoriasis
- Scalp ringworm (tinea capitis)
- Atopic dermatitis
- Nerve problems (neuropathy)
- Skin cancer
How Do You Treat Itchy Scalp?
Treatment to get rid of an itchy scalp depends on the cause, which may include the following options described in the chart below.
Scalp problem | Treatment options |
---|---|
Dandruff |
Over-the-counter dandruff shampoos
|
Allergic reaction or hives |
|
Scabies |
|
Head lice |
Lice shampoo to get rid of head lice. Many products are available over-the-counter (OTC):
|
Scalp psoriasis |
|
Scalp ringworm (tinea capitis) |
Prescription antifungal medications
|
Atopic dermatitis |
Home remedies and care
|
See a doctor if you have an itchy scalp:
From 
Skin Problems and Treatments Resources
References
https://www.aad.org/public/everyday-care/itchy-skin/itch-relief/relieve-scalp-itch
https://www.cdc.gov/parasites/lice/head/treatment.html
https://www.cdc.gov/fungal/diseases/ringworm/treatment.html
https://www.psoriasis.org/scalp/
https://www.uptodate.com/contents/treatment-of-atopic-dermatitis-eczema
https://www.psoriasis.org/integrative-approaches-to-care/
https://www.medicinenet.com/itchy_scalp/article.htm
https://www.cdc.gov/parasites/lice/head/treatment.html
https://www.cdc.gov/fungal/diseases/ringworm/treatment.html
https://www.psoriasis.org/scalp/
https://www.uptodate.com/contents/treatment-of-atopic-dermatitis-eczema
https://www.psoriasis.org/integrative-approaches-to-care/
https://www.medicinenet.com/itchy_scalp/article.htm