Medical Dermatology

Paronychia Symptoms Paronychia presents as redness, swelling, and tenderness around the fingernail or toenail. The area may become warm and painful, especially when pressure is applied. In some cases, pus

Pediculosis (Lice) Symptoms Head lice cause itching of the scalp, especially at the nape and behind ears. Inspection reveals live lice or ova (nits) attached to hair shafts. Body lice

Post‑Inflammatory Hyperpigmentation Symptoms Post‑inflammatory hyperpigmentation (PIH) manifests as flat brown or gray macules at sites of prior inflammation or injury. Lesions match the shape of the initial insult and can

Psoriasis Symptoms Psoriasis features well‑demarcated, thick, silvery scales over red plaques, commonly on the scalp, elbows, knees, and lower back. Lesions can itch, burn, or bleed when scratched. Nail changes

Psoriasis of the Nails Symptoms Nail psoriasis can cause pitting (small depressions) on the nail surface, discoloration, thickening, and separation from the nail bed (onycholysis). The nails may appear yellow,

Rosacea Symptoms Rosacea typically causes persistent facial redness, flushing, and visible blood vessels on the cheeks, nose, chin, or forehead. Patients may experience burning or stinging sensations. Papules and pustules

Scabies Symptoms Scabies presents with intense itching, especially at night, and small red bumps or burrows in finger webs, wrists, armpits, waistline, and genital areas. Scratching leads to open wounds

Seborrheic Dermatitis Symptoms Seborrheic dermatitis presents as flaky, greasy scales on red skin, particularly in sebaceous‑gland‑rich areas such as the scalp, eyebrows, nasolabial folds, and chest. Dandruff is the mild

Seborrheic Dermatitis of the Scalp Symptoms Seborrheic dermatitis causes redness, itching, and flaking of the scalp. The flakes are often greasy and yellow or white. Affected areas may feel tender