Conditions & Procedures

Skin and nail infections

Fungal and other infectious dermatologic conditions can affect the skin, scalp, feet, and nails. Management depends on the site involved, the type of organism suspected, and whether the disease is superficial, recurrent, or affecting the nail unit.

Symptoms & Treatment Features

Athlete’s foot, ringworm-pattern rashes, and nail fungus
Scalp, skin, and periungual infectious concerns
Treatment planning based on location and extent of disease

A broad group of conditions

Skin and nail infections may be fungal, bacterial, or viral. Common examples include athlete's foot, ringworm-pattern rashes, nail fungus, scalp fungal infection, warts, and recurrent inflammation around the nails.

Because infections can mimic eczema, psoriasis, trauma, or inflammatory nail disease, diagnosis should be based on the pattern, site, and clinical examination rather than appearance alone.

Fungal infection of the feet, body folds, scalp, or nails
Viral warts on the hands, feet, or other sites
Repeated periungual inflammation or infected-looking nail folds

How diagnosis is clarified

Evaluation depends on the area involved. In selected cases, laboratory confirmation, nail clippings, scraping, or biopsy may help distinguish fungal disease from nail dystrophy, inflammatory rash, or another look-alike condition.

How long the infection has been present and whether it keeps returning
Whether only part of the nail is involved or the whole nail unit is affected
Whether close contacts, footwear, gym exposure, or moist environments may be contributing

Treatment varies by organism and location

Topical treatment may be sufficient for limited superficial disease, but nail fungus and scalp infection often need oral therapy because the organism is deeper or harder to reach. Warts may be treated with salicylic acid, cryotherapy, immunotherapy, or other in-office methods depending on location and persistence.

Toenail fungus often needs a different plan than superficial skin fungus
Stubborn or painful warts may need more than one session
Recurrent infection often improves only when the source and spread pattern are addressed

FAQ

Frequently Asked Questions

Can nail fungus be treated with cream alone?

Sometimes, but not always. When a large part of the nail or the nail matrix is involved, topical treatment alone is often not enough and oral therapy may be considered.

Are warts contagious?

Yes. Warts are caused by human papillomavirus and can spread through direct skin contact or contaminated surfaces.

Why do some skin infections keep coming back?

Recurrent infection may be related to untreated nail disease, shared footwear, moist environments, close contacts, or an incomplete match between the diagnosis and the treatment used.

When is testing useful for nail or skin infection?

Testing is especially helpful when the diagnosis is uncertain, prior treatment failed, the nail looks dystrophic for other reasons, or oral treatment is being considered.

Related Conditions

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