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Birth ontrol pills may not work as well while you are using Penicillin-VK . To prevent pregnancy, use an extra form of birth control (eg, condoms).
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoCould. I would use protection for a few days just in case. Some antibiotics do affect the pills effectiveness so it is better to be safe than sorry.
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Does penicillin affect birth control?
Penicillin does not affect birth control.
Can weight effect birth control?
Yes it may. I have recently read that obesity can affect the effectiveness of birth control.
Does drugs affect birth control?
Yes! Any penicillin derived antibody negates the effectiveness of your birth control pills. These warnings are printed right on the label. PLEASE read your drug info prior to taking it!
If you break you birth control pill in the package and still take it will it effect its effectiveness?
It should be ok.
Does metronidazole affect birth control?
A large number of antibiotics can lessen the effects of the pill, however there is no concrete evidence that they effect everyone in this way and it is important to remember that every body is different. But on the whole, antibiotics such as penicillin, amoxycillin, metronidazole, ofloxacin, etc have been found to decrease the effectiveness of birth control. Some antibiotics, like fluconazole and trimethoprim have no effect on it.
How long will it take after finishing penicillin will your birth control work again?
Study after study shows no effect on contraceptive effectiveness from taking penicillin. Anecdotal reports from health care providers mean many still give the advice of using a backup method for a week after you finish a short course of antibiotics.
Does singular reduce the effectiveness of birth control pills?
No Singulair (montelukast) has no effect on birth control pill. It can be taken at the same moment (or in the same day) regularly.
Do x rays lower birth control pill effectiveness?
X-rays do not lower the effectiveness of the birth control pill.
How do doctors know if you are on birth control?
Doctors will know that you are on birth control when you tell them. It is wise to tell your doctor that you are birth control, as it is wise to tell them that you are taking any other medications as well. By telling your doctor that you are on birth control it will help when you need treatment or need to take any other medications such as antibiotics(penicillin, amoxicillin), because there are medications that can lower the effectiveness of your birth control.
Can mixing birth controls reduce the effectiveness?
No, using two methods of birth control increases effectiveness or leaves effectiveness unchanged.
If you are not on birth control and you are taking antibiotics can it still increase your risk of getting pregnant?
While a few antibiotics can reduce the effectiveness of birth control pills, they don't have any significant effect on whether or not you get pregnant if you are not on the pill.
Does Ephedra or Mahuang decrease the effectiveness of the birth control pill?
I have also wondered this question and with the research that I have done, it says that neither affects the effectiveness of birth control pills
