Follow the flow chart below. You may go to the SHS pharmacy to request single pill or make-up pill. You should consult your health care provider if the vomiting or diarrhea persists beyond 24 hours. Yes, some medications may decrease the effectiveness of OCPs and pregnancies have been reported. Conversely, OCPs may change the effects of other medications.
Some drugs induce liver enzymes, resulting in lower hormone levels.
If you must take one of these medications for only a short time, use a backup method of birth control, such as condoms or spermicides, while you are taking the interfering drug and for 2 weeks after finishing the drug. Antiobiotics may possibly reduce the effectiveness of OCPs Reduced effectiveness of OCPs caused by antibiotics is a rare occurrence. However, several case reports exist where women who were taking OCPs became pregnant after taking an antibiotic. There is no consensus among contraceptive experts regarding this possible interaction. If you must take an antibiotic for only a short time, a conservative recommendation would be to use a backup method of birth control, such as condoms or spermicides, while you are taking the antibiotic and for 1 week after finishing the antibiotic.