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Does Apo Sulfatrim Cancel My Contraceptive Pill?

Updated October 7, 2011
Sarah Says:
Tue, October 4, 2011

The doctor that prescribed that pill to me said that my contraceptive pill would not work for the rest of my month. But my pharmacist said it would only last 3 days. What should I believe?

1 Reply

1
Verwon Says:
Fri, October 7, 2011

Yes, this antibiotic with contains Sulfamethoxazole and Trimethoprim can cause lowered efficacy of you oral contraceptive.

To make sure you are properly protected against pregnancy, you should use another method of contraceptive for the duration of time you are on this medication, then for at least 7 days, afterwards.

https:/­/­rxchat.com/­wiki/­Bactrim/­

https:/­/­rxchat.com/­wiki/­Oral_contraceptive_pill/­

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