U.S. doctors online nowAsk doctors free
A member asked:

I'm taking zyrtec for severe case of hives. was told to take claritin (loratadine) in between if needed. i need more. can i overdose if i take a second claritin (loratadine)?

1 doctor answer3 doctors weighed in
Dr. Nayla Mumneh
Allergy and Immunology 31 years experience
You can: Ideally i would recommend Allegra 180mg in the morning and zyrtec 10mg at night and Benadryl (diphenhydramine) in between for breakthrough hives. Take 2 clartin a day is ok, but it may not be as effective as the other 2.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Feb 6, 2019


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.