What causes hives?
Those itchy red bumps on your skin are a sign that your immune system is overreacting, says dermatologist Dr. Doris Day. Watch this video to learn more about what causes hives.
Up Next
Hives, explained
3 steps to take if your hives won't go away
Treating hives, explained
Chronic hives: 3 ways to cope with itching
5 treatment options for chronic hives
Common atopic dermatitis triggers
What are skin tags?
Treatments for atopic dermatitis
What is atopic dermatitis?
4 ways to get the most out of chronic hives treatment
