1-2 weeks: If there are absolutely no improvements in about a week, i tend to switch people over to zyrtec. It can be a little sedating for some, but I have found it to be much more effective than claritin (loratadine).
Answered 12/2/2017
4.7k views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question