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No it does not. it actually works better over time.
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∙ 12y ago
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Is Prozac one of the anti depressants that causes birth control to become less effective?
NO
Is the birth control patch as effective as Depo-Provera?
No, the patch is less effective than the shot.
Do muscle rubs make the birth control pill less effective?
No.
If your birth control gets too hot or too cold does it become less effective?
Yes, birth control pills will become less effective if stored in temperatures which are too hot or too cold. Ideally, they should be stored at temperatures between 68 and 77 degrees. Excess moisture is not good for them either, so storing them in the bathroom is not a good idea.
Which of all birth control methods are partially effective?
The ONLY birth control that is 100% affective is abstinece. But, if you get on a pill, shot, or IUD AND use condoms, you are much less likely to become pregnant. There are several different ways to avoid it.
Do stool softeners make the birth control pills or shot less effective?
No stool softeners don't effect hormonal birth control.
Does omnicef effect birth control pills?
In theory all antibiotics can make birth control pills less effective. This concern has not been proved.
Does Mirena become less effective when in the 5th year?
No, Depo Provera doesn't become less effective after long-term use. There's a similar urban myth about having to change birth control brands regularly; that's not true, either.
Does the dosage matter with birth control to keep it effective Or is it the lower the dosage the less affective it is or does it not matter Does it still work not matter how high or low it is?
"Low dose" pills are not less effective.
Does cipro cause birth control to be less effective?
This site will answer your question.http://www.ncbi.nlm.nih.gov/pubmed/9835524?dopt=Abstract
If you take your birth control at 9 in the morning every morning will it be less effective at 7 am before you take the next pill?
No
Is birth control less effective after multiple ejaculations?
no, if the birth control pill you are taking is effective then multiple ejaculations versus one or two ejaculations shouldn't matter. the point of the pill is to halt the releasing of your eggs so different amounts of ejaculation should not effect this.
