Dermatology Page 4

Rash on Your Neck: Common Causes and When to See a Doctor

April 17, 2026

Why the Neck Is Prone to RashesThe neck is one of the most rash-prone areas of the body for several reasons. It is constantly exposed to friction from clothing, straps, and [...]

Psoriasis vs. Rosacea: Key Differences and How Sun Affects Both

April 17, 2026

Dermatologist examining a woman's face with rosacea redness on her cheeks and chin

What Is PsoriasisPsoriasis is an autoimmune skin disease in which the immune system signals the body to overproduce skin cells. Normally, skin cells take about a month to [...]

SPF and Sun Allergies: How to Choose Sunscreen When UV Triggers Your Skin

April 17, 2026

Smiling woman with sunscreen on her cheeks, shielded by a protective bubble deflecting UVA and UVB rays

Understanding Sun Allergies and PhotosensitivityThe sun feels like an enemy when your skin erupts in hives, rashes, or burning sensations after just minutes of exposure. For [...]

Retin-A Cream: Uses, Side Effects, and What to Expect

April 17, 2026

Woman squeezing topical cream from a tube onto her fingertip

What Is Retin-A?Retin-A (tretinoin) belongs to a class of compounds called retinoids, which are derivatives of vitamin A. It was first approved by the FDA in 1971 for the [...]

Sun Spots Explained: Causes, Prevention, and Removal Options

April 17, 2026

Woman pumping sunscreen lotion into her palm at the beach

What Sun Spots Really AreThose flat, brown marks that appear on the hands, face, and shoulders after years of outdoor activity go by many names: age spots, liver spots, solar [...]

What Does Poison Oak Look Like? Identifying It Before You Touch It

April 17, 2026

Close-up of green poison oak leaves in sunlight.

Spotting Poison Oak Before It Spots YouA single brush against poison oak can lead to weeks of itchy, blistering misery. The plant's oily resin, called urushiol, triggers [...]

Nodular Melanoma: The Fast-Growing Skin Cancer You Need to Know About

April 17, 2026

Dermatologist using a magnifying glass to examine a mole on the back of a woman's neck

What Makes Nodular Melanoma DifferentMost skin cancers, including the more common forms of melanoma, develop gradually. They spread outward across the surface of the skin [...]

Poison Ivy Rash Treatment: Home Remedies vs. Medical Care

April 17, 2026

Smiling female pharmacist in a white coat standing in front of pharmacy shelves

How Poison Ivy Rash Treatment WorksPoison ivy causes contact dermatitis, a delayed allergic reaction triggered by urushiol, the oily resin in poison ivy leaves, stems, and [...]

Red Moles on Skin: Cherry Angiomas and When to Be Concerned

April 17, 2026

Close-up of skin showing a raised red cherry angioma surrounded by smaller brown moles and freckles

What Are Cherry Angiomas?If you have noticed a small, bright red dot on your skin that seems to have appeared out of nowhere, there is a good chance it is a cherry angioma. [...]

Tanning With Sunscreen: Can You Get a Tan and Still Be Protected?

April 17, 2026

Smiling woman with a sun shape drawn in sunscreen on her shoulder, against a blue background.

Understanding Sun Protection and TanningMany people believe they must choose between getting a tan and protecting their skin. This is not true. A tan can develop while [...]