1 doctor weighed in:
Is it possible for Claritin (loratadine) to stop working for a person after a lot of use?
1 doctor weighed in

Dr. John Overholt
Internal Medicine - Allergy & Immunology
In brief: Sort of
In general, if allergy medications cease to control symptoms, it's not that the medication has gotten less effective, but rather that allergies have gotten worse.
Antihistamines don't lose effectiveness with regular use and one is not likely to be tremendously more effective than another.

In brief: Sort of
In general, if allergy medications cease to control symptoms, it's not that the medication has gotten less effective, but rather that allergies have gotten worse.
Antihistamines don't lose effectiveness with regular use and one is not likely to be tremendously more effective than another.
Dr. John Overholt
Dr. John Overholt
Thank
Get help from a real doctor now
Dr. Adam Levy
Board Certified, Obstetrics & Gynecology
33 years in practice
1M people helped
Continue
108,000 doctors available
Read more answers from doctors