Tinea Versicolor: Symptoms, Causes, Treatment, and Prevention What Is Tinea Versicolor? Tinea versicolor, also called pityriasis versicolor, is a common fungal skin infection caused by an overgrowth of a naturally occurring yeast called Malassezia. This yeast normally lives on everyone’s skin without causing problems. However, when it grows excessively, it interferes with normal
Rosacea: Symptoms, Causes, Treatment, and Prevention What Is Rosacea? Rosacea is a long-term skin condition that primarily affects the central face, including the: Cheeks Nose Chin Forehead Some people also develop eye symptoms, known as ocular rosacea, which can cause dry, irritated, or bloodshot eyes. Rosacea is not contagious and is not caused
Ringworm: Symptoms, Causes, Treatment, and Prevention What Is Ringworm? Ringworm, also called tinea corporis, is a fungal infection of the skin caused by dermatophytes. The infection can occur almost anywhere on the body, including the: Arms Legs Chest Back Neck Face Different types of ringworm affect other parts of the body, such as the
Razor Bumps: Causes, Treatment, and Prevention What Are Razor Bumps? Razor bumps, also called pseudofolliculitis barbae (PFB), occur when recently shaved hairs curl back and grow into the skin. Instead of growing outward, the sharp hair tip penetrates the surrounding skin, causing inflammation. Although razor bumps are most common in the beard area,
Poison Ivy Rash: Symptoms, Treatment, and Prevention What Is Poison Ivy? Poison ivy is a plant that contains an oily resin called urushiol. When urushiol comes into contact with the skin, it can trigger an allergic contact dermatitis, causing redness, itching, swelling, and blisters. The rash usually develops 12 to 48 hours after exposure
Periorificial Dermatitis: Symptoms, Causes, Treatment & Prevention Periorificial dermatitis is a common inflammatory skin condition that most often affects the skin around the mouth but can also occur around the nose and eyes. It typically appears as clusters of small red bumps that may burn, sting, or feel dry. Because it resembles acne, rosacea, or
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Nail Fungus: Symptoms, Causes, Treatment, and Prevention What Is Nail Fungus? Nail fungus, also called onychomycosis, is a fungal infection of the nail. It is most often caused by dermatophytes, the same fungi that cause athlete’s foot and ringworm. Less commonly, yeasts or molds can also infect the nail. Toenails are affected much more
Melasma: Causes, Treatment, and How to Prevent It from Worsening What Is Melasma? Melasma is a skin condition that causes symmetrical patches of brown, gray-brown, or tan discoloration on the skin. It most commonly affects the: Cheeks Forehead Upper lip Nose Chin Melasma occurs when skin cells called melanocytes produce excess pigment (melanin). The
Keratosis Pilaris: Symptoms, Causes, Treatment & Prevention Keratosis pilaris is one of the most common skin conditions, affecting millions of children and adults. It causes tiny, rough bumps that often develop on the upper arms, thighs, cheeks, or buttocks, giving the skin a texture similar to sandpaper or “chicken skin.” Although keratosis pilaris is completely
Jock Itch: Symptoms, Causes, Treatment, and Prevention What Is Jock Itch? Jock itch, also called tinea cruris, is a fungal infection of the skin in the groin area. It is caused by dermatophytes, the same group of fungi responsible for athlete’s foot and ringworm. The fungus thrives in warm, moist areas of the body,
