I have been using doxycycline hyclate for acne and was wondering how long does it stay within my system once I stop taking it? I need to know so that I can plan a safe pregnancy.
The elimination half life of doxycycline is between 18 - 22 hours. It takes approximately 5.5 x elimination half life for a medicine to be cleared from ones system, so doxycycline should be out of your system in about 121 hours or 5 days (5.5 x 22 hours). Give it a good 2 weeks if you want and then start trying to become pregnant and by then doxycycline should definitely be all cleared from your system.
- Doxycycline Information for Consumers
- Doxycycline Information for Healthcare Professionals (includes dosage details)
- Side Effects of Doxycycline (detailed)
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