A member asked:

Dust mite allergy.post nasal drip is only symptom.nasal sprays failed. cetrizine helps but symptom returns whenever stopped. can i take drug forever?

A doctor has provided 1 answer

Yes & no: Meds you take for symptoms like cetirazine can be taken indefinitely but you may run into issues with the occasional sedation it can cause making you sluggish. The non-sedating antihistamines like loritadine or fexofenadine may give you the same benefit without the sedation.

Answered 12/5/2018

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