See also Antibiotics (General)
Tetracycline antibiotics are used to treat certain infections such as chlamydia, as well as for the long-term treatment of acne.
Drugs in this family include
Take at a Different Time of Day
Numerous minerals, including aluminum (found in many antacids), bismuth (in Pepto-Bismol), calcium , iron , magnesium , and zinc , interfere with the absorption of medications in the tetracycline family (and vice versa). 1–4
The reason is the minerals and the drugs attach to each other and form insoluble chemicals that simply pass out of the digestive tract. The best solution is to avoid taking supplements that contain these minerals within the 2 hours before or after your dose of tetracycline medication.
Possible Harmful Interaction
Tetracycline antibiotics have been reported to cause increased sensitivity to the sun, amplifying the risk of sunburn or skin rash. Because St. John's wort and dong quai may also cause this problem, taking these herbal supplements during tetracycline treatment might add to this risk.
It may be a good idea to wear a sunscreen or protective clothing during sun exposure if you take one of these herbs with a tetracycline antibiotic.
Last reviewed September 2014 by EBSCO CAM Review Board
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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