Top answers from doctors based on your search:
Disclaimer

How long after taking plan b can I take doxycycline

A 16-year-old female asked:
Dr. Alvin Lin
Dr. Alvin Lin answered
29 years experience Geriatrics
No: I didn't find any interaction between Doxycycline ; Plan B at http://www.Drugs.Com/interactions-check.Php?Drug_list=940-0, 1461-13923. As always, tell ... Read More
Dr. Heidi Fowler
24 years experience Psychiatry
Agree w Dr Lin: No interaction with Plan B and doxycycline. Antibiotics which can affect Plan B: ampicillin, cotrimoxazole (in Bactrim), Rifampin, tetracycline, &amp ... 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 36-year-old female asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Not at the same time: Tetracycline tends to combine (chelate) with most hormone products rendering them less effective. If you need to use Plan B you must not have used Tet ... Read More
Dr. Brad Goldenberg
35 years experience Pediatrics
Yes: Plan B is a progestin, Doxycycline interferes with estrogen absorption, so the combination theoretically should be okay
A 20-year-old female asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Unlikely: Unlikely but possible. Do a pregnancy test if the end of the cycle shows no period before you start your next pack of pills.
1
1 thank
Dr. Heidi Fowler
24 years experience Psychiatry
Unlikely: Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex. It can reduce chance of pregnancy by up to 95% if u ... Read More
A 28-year-old female asked:
Dr. Robert Kwok
32 years experience Pediatrics
About antibiotics...: The current thinking is that except for rifampin, other commonly-used antibiotics (such as doxycycline and many others) do not alter the effectiveness ... Read More
A 19-year-old female asked:
Dr. Payam Mehranpour
22 years experience Cardiology
No: No significant interaction reported on Plan B one step and doxycycline. Discuss contraception options with your doctor.
1
1 thank
A female asked:
Dr. Arlo Miller
14 years experience Dermatology
It should be: There is no evidence that antibiotics actually reduce the effectiveness of birth control or plan b.
1
1 thank
A 20-year-old female asked:
Dr. Philip Miller
A Verified Doctor answered
A US doctor answered Learn more
Still protected: assuming you had been taking OCs regularly. The short burst of doxy may slightly interfere with OC efficacy and if concerned, do a home pregnancy test ... Read More
1
1 thank
A 24-year-old female asked:
Dr. Christine Hom
29 years experience Pediatrics
Most likely: You have had an eventful few days. You should be protected, but for peace of mind, you may wish to use a second method for a week or two (condoms for ... Read More
A 25-year-old female asked:
Dr. Martin Raff
55 years experience Infectious Disease
Pregnant: By hpt I assume you mean home pregnancy test? If you have missed a period would check the test again. If you have not, you are not pregnant. The doxy ... Read More
1
1 thank

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