Cold urticaria can cause itchy, painful hives after cold exposure. Learn about triggers, precautions, treatment options, and warning signs.
Why Does Cold Air Give Me Painful, Itchy Hives? (Cold Urticaria)
Tag: Rashes
Why Does My Skin Turn White When I Scratch It? (White Dermographism)
A temporary white line after scratching may be white dermographism. Learn why it happens, what may trigger it, and when to see a dermatologist.
Why Do I Get Purple Spots on My Arms Without Bumping Them?
Purple spots on the arms may come from fragile blood vessels, medications, sun damage, or bleeding concerns. Learn when to get checked.
Why Do I Have Tiny, Shiny, Pinpoint Bumps on My Skin That Don’t Itch? (Lichen Nitidus)
Tiny, shiny, painless bumps may resemble lichen nitidus. Learn what it looks like, possible triggers, and when a dermatologist should evaluate it.
Why Do My Shoes Cause Tiny Blisters Between My Toes?
Tiny blisters between the toes may come from shoe friction, trapped moisture, irritation, eczema, or a fungal infection. Learn what to watch for.
Why Does My Skin Have a Sudden, Net-Like Red Rash After I Get Out of a Hot Bath? (Erythema Ab Igne)
A net-like rash after a hot bath may reflect temporary blood vessel changes or repeated heat exposure. Learn when erythema ab igne is possible.
Why Does My Toenail Smell Bad?
A smelly toenail may be linked to trapped moisture, debris, nail separation, or infection. Learn what to watch for and when to get checked.
Why Does My Skin Feel Prickly When I Get Hot?
Prickly skin when you get hot may relate to sweating, heat rash, or heat-triggered hives. Learn common clues, calming steps, and when to seek care.
Why Is My Scalp Tender When I Move My Hair?
Scalp tenderness when moving your hair may relate to irritation, tight hairstyles, inflammation, or nerve sensitivity. Learn when to get checked.
Why Does My Belly Button Leak Clear or Yellow Fluid?
Clear or yellow belly button fluid may come from irritation, infection, a cyst, or another issue. Learn what to do and when to seek care.
