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Yes. Although many studies have failed to show a significant link between antibiotic use while on hormonal BC and accidental pregnancy, there is anecdotal evidence of this being true. Because of a lack of definitive understanding, many, many doctors and pharmacists urge the use of barrier method contraception during the course of your antibiotics. Antibiotics can affect the way your body metabolizes the hormones, especially estrogen, so the idea of breakthrough bleeding is possible. When you miss pills, you will often have this bleeding, due to the lack of circulating hormones. When you have a breakthrough bleed while on antibiotics, it is probably true that your antibiotics have affected the pill. Mini-pill users and extremely low-dose pill users are especially susceptible to this.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoThe most common reasons are:
- Pregnancy
- The pill isn't for you.
- Taking the pill different times everyday.
- Missing pills and taking them all at once
Wiki User
∙ 11y agoAlthough few antibiotics decrease the effectiveness of birth control (examples are rifampin, griseofulvin, and some HIV medications), even those that don't cause a decrease in effectiveness may cause irregular bleeding. This bleeding will stop soon after you stop the antibiotics; there is no need to stop your Birth Control or "take a break" if bleeding starts. Contact your health care provider or pharmacist to clarify any interactions between medications that you are using.
Wiki User
∙ 11y agoSome antibiotics can increase the risk of breakthrough bleeding while on the birth control pill without increasing the risk of pregnancy. If you're concerned, use a backup method, but the breakthrough bleeding doesn't mean the pill's not working.
Wiki User
∙ 15y agoThe antibiotics may have effected your cycle. But I would recommend you perform a pregnancy test.
Wiki User
∙ 14y agoSome, yes.
the paper that was given to you with your antibiotics should tell you.
Wiki User
∙ 13y agoYes this is normal. Do not have unprotected intercourse during this time as birth control pills will fail due to being on antibiotics.
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Birth control's affect on teens that just began puberty and are taking pills?
You should not mix pills with your birth control pills. This candamage your insides or cause your birth control to be ineffective. Mixing pills is dangerous.
Can you overdose on birth control pills?
You can't kill yourself with birth control pills. An overdose will also not cause abortion or infertility.
What are the effects of overdosing on birth control pills?
An overdose of birth control pills could cause nausea and breast tenderness. It will not kill you, cause an abortion, or make you infertile.
Can birth control pills cause liver damage?
Yes.
Will taking someone elses birth control pill make you infertile?
Birth control pills do not cause infertility.
How can birth control make you gain weight?
Despite old wives' tales to the contrary, birth control pills do not cause weight gain. Patients on birth control pills and patients not on birth control in controlled studies both gained weight.
Can birth control cause heavy menstrual bleeding Should I continue taking my birth control?
Birth control pills should stop your menstrual bleeding. I would suggest you stop the pills and talk to your doctor
Are you allergic to birth control pills?
I am not allergic to birth control pills.
What are the signs if wife is taking birth control pills?
Packet of birth control pills on the kitchen counter, receipts from the pharmacy for birth control pills, or your wife asking, "Have you seen my birth control pills?"
Are synthetic birth control pills a narcotic?
No, birth control pills are not narcotics.
Does the birth control pill cause ovarian cancer?
It appears that birth control pills lower the lifelong risk of ovarian cancer.
Are there generics for birth control pills?
many birth control pills have generic equivalents.
