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A member asked:
Loratidine stopped working. should i switch or add something else, like zyrtec (cetirizine)?
A doctor has provided 1 answer
Zyrtec vs claritin (loratadine): Loratidine (claritin) is the most ineffective antihistamine ever approved for market. Its effect is weak and can take a long time to work. Zyrtec is stronger but a little more sedating, 13% vs 8% (loratidine). It can be taken alone or in combination with loratidine or fexofenadine. The latter is the least sedating of the three and about as potent as cetirizine.
Answered 3/26/2013
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