Nope! Antibiotics like amoxicillin won't change the effectiveness of your birth control. The antibiotic rifampin (also known as
Does Augmentin affect the pill?
Most antibiotics do not affect contraception. It's now thought that the only types of antibiotic that interact with hormonal contraception and make it less effective are rifampicin-like antibiotics. These can be used to treat or prevent diseases, including tuberculosis and meningitis.
How long after Augmentin is birth control effective?
The usual advice to women from healthcare providers was to add a barrier form of birth control to their contraceptive (such as a condom), and possibly for 7 days after finishing the antibiotic, to help prevent pregnancy.