3 doctors weighed in:
How long does it take for hives to appear after an allergen contact?
3 doctors weighed in

Dr. Martin Ostro
Internal Medicine - Allergy & Immunology
2 doctors agree
In brief: Within minutes
With contact hives, such as after a dog lick, they appear with minutes.
After eating food to which you are allergic your lips and mouth become itchy almost immediately and the hives will usually appear within minutes and over 90% of the time within 30 minutes.

In brief: Within minutes
With contact hives, such as after a dog lick, they appear with minutes.
After eating food to which you are allergic your lips and mouth become itchy almost immediately and the hives will usually appear within minutes and over 90% of the time within 30 minutes.
Dr. Martin Ostro
Dr. Martin Ostro
Thank
Get help from a real doctor now
Dr. Vicken Poochikian
Board Certified, Internal Medicine
38 years in practice
2M people helped
Continue
108,000 doctors available
Read more answers from doctors