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A member asked:

Will increasing doxycycline from 200mg to 400mg per day fight infection quicker and be more effective?

A doctor has provided 1 answer
Dr. Dominic Riganotti answered

Specializes in Infectious Disease

No: No...And it will cause that much more stomach irritation.

Dr Raff agreed

Answered 11/2/2015

5.4k views

Thank

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I'm on a 2x a day, 7 days round of doxycycline. I threw up 40 minutes after taking my 5th or 4th dose . im concerned that the medicine wont treat my infection?

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