A member asked:

Dear dr.i used derryfiline retard 300 very often to get relief from breathing problem.now using inhaler.which is more effective.

A doctor has provided 1 answer
Dr. George Mathew answered

Specializes in Cardiology

Inhaler: Because of drug interactions and side effects, we rarely use theophylline products.Inhalrers are more effective!

Answered 5/3/2013

5.2k views

Thank

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