QUESTION

Can dandruff cause hair loss?

Dandruff is primarily a flaky, often itchy scalp condition. Hair loss can have many other causes, so if you notice both dandruff and thinning or shedding, do not assume one explains the other. Treat the scalp symptoms appropriately and consider an evaluation if hair loss is persistent or progressive.

Topic: Scalp & Routine

DIRECT ANSWER

What to know

What dandruff is — AAD describes dandruff as a common scalp condition with flaking and often itch. Causes can include oily skin, hair-care habits and some medical conditions.

Do not turn coexistence into causation — If shedding or thinning is happening at the same time, that alone does not show dandruff is the cause. Hair loss has many possible causes that may need separate evaluation.

Persistent symptoms deserve context — If dandruff or scalp irritation does not improve with appropriate over-the-counter care, or if hair loss is progressive, patchy or otherwise concerning, consider a dermatologist.

IMPORTANT LIMITS

Dandruff-like symptoms can overlap with other scalp conditions, some of which may affect hair. This claim does not establish that dandruff never contributes indirectly to breakage, scratching or shedding in a particular person.

This guidance does not diagnose dandruff, eczema, psoriasis, infection, seborrheic dermatitis or another specific scalp condition from symptoms alone.

General dermatology guidance cannot determine the cause of an individual reader's hair change.

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