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Doctor insights on: Can Antibiotics Affect Your Period

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Can antibiotics affect when you get your period? I had unprotected sex on them. The person didn't cum inside me. Taken my sugar pills, no period yet?

Can antibiotics affect when you get your period? I had unprotected sex on them. The person didn't cum inside me. Taken my sugar pills, no period yet?

Wait and see: Illness or periods of stress can affect your period. However, having unprotected sex definitely puts you at risk of pregnancy, even if he did not ejaculate inside, because there can be pre-ejaculate . Wait until your sugar pills are over, and if you still have not started, take a pregnancy test. ...Read more

Dr. John Leander Po
1,117 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more


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Could the antibiotic Macrobid delay your period?

Could the antibiotic Macrobid delay your period?

It shouldn't: Antibiotics should not interact with your period one way or the other. One concern with mixing antibiotics and birth control pills is that the antibiotics can change one's gut flora (bacteria) enough to effect the way the pill is absorbed and that can affect the period. The short answer is still, no. If your period remains delayed it would be worth a visit to the doctor ...Read more

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A fishy smell a day before I get my period. Is that normal! I have never gotten that smell before tho, I was recently on an antibiotic for 2 weeks.

A fishy smell a day before I get my period. Is that normal! I have never gotten that smell before tho, I was recently on an antibiotic for 2 weeks.

BV: I believe you have developed Bacterial Vaginosis because you have been on Antibiotics for so long and therefore the normal Flora of your Vagina has been disturbed, you need to see a provider for treatment. ...Read more

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When a prescription says take two/three/four times a day does that mean between morning and evening or over a 24 hour period? Like for an antibiotic.

Dosing per day: Well in a perfect world we could take the medication on an exact basis -for example 3 times a day would be every 8 hrs in a 24 hr period. This is because medications have a "half-life" in the body which means over time the body will get rid of it, so u have to take it again. Problem is, the daily routine can get in the way-- consider sleeping for example and how much time that eats up. Try ur best ...Read more

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Hadmy period for 1day really darkbrown a week after sex(took map) just like I should have could i be pregnant? Or could it be the antibiotic thatitook

Hadmy period for 1day really darkbrown a week after sex(took map) just like I should have could i be pregnant? Or could it be the antibiotic thatitook

Yes: While periods do vary from cycle to cycle, any that are different should get a preg test. Some antibiotics can interfere with contraceptives, so adding another method--like condoms would be wise. ...Read more

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Does azithromycin or a similar antibiotic delay your period?

Does azithromycin or a similar antibiotic delay your period?

Periods: Antibiotics should have no effect on your cycles. Even if you are on birth control it will not effect your cycles. ...Read more

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Supposed to get period today but didn't. Haven't had sex for months. I have been taking an antibiotic for acne, could this be delaying it?

Supposed to get period today but didn't. Haven't had sex for months.  I have been taking an antibiotic for acne, could this be delaying it?

Late period: Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems. #1 reason is pregnancy. ...Read more

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I took an antibiotic and I am not on the pill but can it mess up your period?

An antibiotic would: Not be anticipated to change your period. But if you are being treated for a serious medical condition - that could impact your period. ...Read more

Dr. Corey Clay
1 doctor shared a insight

Menstrual Period (Definition)

Menstrual period is a medical term for the monthly bleeding ...Read more