Chronic urticaria: Chronic urticaria is a hive lasting more than 6 weeks. Triggers include cold weather, grass, animal dander, chemicals, perfumes, food, friction among some. Antihistamine (benadryl) may help.
Answered 10/3/2016
6.1k views
Levaquin (levofloxacin): Drugs can cause reactions up to 30'days after medication. Levaquindrugs is a drug with a reaction rate approaching 5 per cent. A UTI can also cause hives if it is not totally resolved.
Answered 5/25/2018
6k views
A doctor has provided 1 answer
6 doctors weighed in across 3 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question