A member asked:

Can i develop an immunity to clariton so it won't work anymore?

A doctor has provided 1 answer

See below: People can develop a tolerance to medications. If Claritin does not help, you may want to try allegra, and/or discuss possible nasal steroid sprays with your doctor.

Answered 6/24/2014

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How long does it take childrens Claritin (loratadine) to work?

A doctor has provided 1 answer