Dandruff and scalp conditions Archive

Severe protein malnutrition can trigger hair shedding, but most thinning of hair stems from genes, hormones, illness, or medications rather than daily protein intake.

Many prescription creams, gels, and pills can ease the redness, swelling, and pimple-like bumps of rosacea. A 2026 scientific review suggests ivermectin 1% cream (Soolantra) and encapsulated benzoyl peroxide cream (Epsolay)—are the most effective topical options for bumps.

Nail fungal infections affect up to 14% of the adult population. While completely curing these infections is difficult, the right treatments can discourage the problem from spreading and make your nails look better.

Lingering heat waves have brought warnings about recognizing and preventing heat-related illnesses. Heat rash, while not dangerous itself, can signal heat exposure that may lead to more serious conditions. Here's how to avoid and treat it.

A diagnosis of erythema nodosum can raise questions about what’s behind painful shin bumps and what doctors may check next during an evaluation.

Skin cancer can look different across skin tones, and subtle changes may be easy to miss. Know which spots and locations deserve attention.

A major review found that oral antihistamines had little effect in reducing atopic dermatitis (eczema) symptoms—and that first-generation (sedating) antihistamines may increase cognitive risks. The findings suggest that oral antihistamines should not be used routinely to treat eczema.

Even after using a certain deodorant for years, people can develop allergic contact dermatitis to that product. Individuals who suddenly develop redness, itching, or a rash in their armpits should stop using their deodorant and switch to another product.

A dermatologist can confirm actinic keratosis and explain what to expect during evaluation, treatment and follow-up for sun-damaged skin.

Itchy, irritated skin can leave behind stubborn dark patches in unexpected places. Find out what may help restore your skin’s usual tone.