Which scalp condition is typically treated with medicated shampoos?

Medicated shampoos are often used to treat various scalp conditions due to their active ingredients that target specific issues. In the case of this question, the conditions mentioned—dry scalp, psoriasis, and seborrheic dermatitis—can all benefit from the use of medicated shampoos.

Dry scalp can sometimes lead to itching and flaking but is often treated with gentle, moisturizing shampoos. However, if it becomes severe or is a result of an underlying condition, medicated options may be recommended.

Psoriasis is a chronic condition that results in red, scaly patches on the scalp and elsewhere on the body. Medicated shampoos containing coal tar or salicylic acid are commonly prescribed to help reduce the scales and inflammation associated with this condition.

Seborrheic dermatitis is characterized by greasy, flaky patches on the scalp and is often linked to an overproduction of sebum. This condition can lead to dandruff and requires treatment with medicated shampoos that may contain antifungal agents like ketoconazole or zinc pyrithione to help control the yeast that contributes to the condition.

Since all these scalp conditions can be treated effectively with specific types of medicated shampoos designed to address their unique symptoms, the correct answer is the comprehensive choice that