A member asked:

I have a bladder infection. i took doxycycline and sulfadimethoxine for 3 consecutive days. i quit doxycycline and not sulfadi. and now i feel worse.

A doctor has provided 1 answer

Have UTI re checked: You need to have a urine sample re-checked by culture by your MD to see if the Sulfa Rx was effective in eliminating the infection. Antibiotic resistance by some bacteria can allow the infection to continue unabated.

Answered 4/17/2016

2.6k views

Thank

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