Top answers from doctors based on your search:
Disclaimer

Birth control antibiotics plan b

A 51-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Can't cover that: Many topic in 400 characters or less. Will share about plan b. Potential se’s w emergency contraception: tender breasts; changes in menstrual flow (sp ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 23-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Myths: It is now well known that antibiotics usually do not reduce the effectiveness of birth control and Plan B is not necessary.
1
1 thank
A 31-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
No: In general you do not need to take Plan B if you were already on birth control. Most antibiotics will not interact with either Plan B or birth control ... Read More
A 26-year-old female asked:
Dr. Kenneth Crabb
45 years experience Obstetrics and Gynecology
Yes at times: Some antibiotics interfere with bcp so use of a backup method like condoms is recommended. However, if you took Plan B yesterday and do not start ant ... Read More
1
1 thank
A 51-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Plan B: can be used whether or not you are taking oral contraceptives.
A 26-year-old female asked:
Dr. Justin Diedrich
13 years experience Gynecology
Yes : If you did not use the birth control correctly or if you forgot to take it you can take plan b. It works better if you use it sooner. The copper iud i ... Read More
1
1 thank
A 56-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Which one?: Specifically which antibiotic are you referring to? Many don't.
A 51-year-old member asked:
Dr. Paula Hillard
43 years experience Obstetrics and Gynecology
No!: With no missed pills, "perfect use", the failure rate is 0.3%->99% effective.In typical use, because taking a pill every d without ever missing is ha ... Read More
A 31-year-old female asked:
Dr. Saptarshi Bandyopadhyay
20 years experience Hospital-based practice
I believe so.: I am not a gynecologist, but my understanding is that Plan B is a high dose of hormones that induce shedding of the lining of the uterus (preventing a ... Read More
1
1 thank
A 34-year-old female asked:
Dr. Robert Isaacs
38 years experience Family Medicine
Clindamycin & OCP's: Clindamycin is not known to interfere with oral contraceptives. The known problems are with Rifampin and possibly penicillin-type antibiotics. Still ... Read More
1
1 thank
A 39-year-old member asked:
Dr. Roberta Beals
27 years experience Family Medicine
Yes: Anytime you take a hormone it can affect your mensus.
A 50-year-old member asked:
Dr. Scott Beard
24 years experience Urogynecology
Politics: It's more palatable that way.
A female asked:
Dr. Charles Whiting
26 years experience Obstetrics and Gynecology
Not needed: It is common to hear that all antibiotics will prevent birth-control pills from working. In reality most common antibiotics such as Penicillin, Eryth ... Read More
A 50-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Possibly.: Emergency contraception symptoms can include spotting or bleeding, changes in menstrual flow or your period may be late or early. Notify your gyn if ... Read More
A 38-year-old member asked:
Dr. Paula Hillard
43 years experience Obstetrics and Gynecology
Plan B =emergency BC: With no missed pills, "perfect use", the failure rate is 0.3%->99% effective.In typical use, because taking a pill every d without ever missing is ha ... Read More
A 41-year-old member asked:
Dr. Casey Younkin
37 years experience Obstetrics and Gynecology
No: Birth control pills prevent pregnancy, they are contraceptives. This is true for the morning after pill. Abortifacients are different, they cause a ... Read More
1
1 thank
A 42-year-old member asked:
Dr. David Fein
Specializes in Preventive Medicine
No: Even in 2012, ob/gyns are split on whether antibiotics affect birth control pills....Some say yes, some say no. However, the antibiotics most likely t ... Read More
1
1 comment
1
1 thank
A 24-year-old female asked:
Dr. Edward Sung
53 years experience Obstetrics and Gynecology
DEPENDS: Have not seen anyone pregnant after Fluconazole with the bcp in the past 20 + years if you have sex few times a day, you may be the first one ... Read More
2
2 thanks
A 29-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Birth control: Birth control pills change when you have your period. There is usually seven pills at the end of each pack during which you have your period.
1
1 thank
A 49-year-old member asked:
Dr. Thomas Carzoli
46 years experience Obstetrics and Gynecology
Not really: On bcps you don't have periods; you have withdrawal bleeding at the end of the pack and breakthrough bleeding while taking the pill. Breakthrough blee ... Read More
2
2 thanks
A 23-year-old female asked:
Dr. John Michel
45 years experience Family Medicine
Doubtful : It is theoretically possible but with the plan b pill most unlikely. Always use a backup method if taking antibiotics if taking BCP. Wait until your ... Read More
A 34-year-old female asked:
Dr. Barbara Simmons
33 years experience Obstetrics and Gynecology
Birth control pill: Microgestin FE is birth control pill containing estrogen and progesterone. Plan B is a progestational agent. There is no need for extra coverage if yo ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month