Medical Dermatology

Cysts (Epidermoid, Pilar, etc.) Symptoms Cysts are closed sacs under the skin that contain keratin or sebum. They typically present as firm, round lumps that move slightly under the skin

Eczema (Atopic Dermatitis) Symptoms Eczema causes intense itching, dry patches, and red, scaly plaques that may ooze or crust. Common sites include flexural areas like behind the elbows, knees, wrists,

Erysipelas Symptoms Erysipelas is characterized by a bright red, raised, and sharply demarcated plaque, usually on the face or legs. Skin feels warm and tender. Fever, chills, and malaise commonly

Folliculitis Symptoms Folliculitis appears as small pustules or bumps centered on hair follicles, often with a red halo. Lesions may be itchy or tender and can cluster in shaved or

Herpes Simplex Virus (HSV) Symptoms HSV causes grouped vesicles on an red base that evolve into painful ulcers and crusts. Oral infections produce cold sores around the lips or intraoral

Herpes Zoster (Shingles) Symptoms Shingles begins with localized pain, tingling, or burning followed by a unilateral vesicular rash in a dermatomal distribution. Vesicles cluster and eventually crust over 7–10 days.

Hidradenitis Suppurativa Symptoms Hidradenitis suppurativa (HS) causes painful, deep‑seated nodules, abscesses, and sinus tracts in intertriginous areas such as the axillae, groin, and under the breasts. Lesions often rupture and

Hyperhidrosis (Excessive Sweating) Symptoms Hyperhidrosis is characterized by excessive sweating beyond what is needed to regulate body temperature. It most commonly affects the palms, soles, underarms, and face. Sweating can

Impetigo Symptoms Impetigo presents as honey‑colored crusts on red bases, often on the face or extremities. Bullous impetigo forms larger blisters that rupture easily. Lesions may itch or burn but