More Detail About Tetracycline Interactions
Digoxin
If you are taking
tetracycline with digoxin, your body may metabolize the medicines quite differently than intended. You may wish to discuss this with you healthcare provider prior to starting treatment with tetracycline.
Warfarin
If you are taking tetracycline and warfarin together, your body may metabolize the medicines differently than intended. Your healthcare provider may choose to monitor your INR and prothrombin time more frequently and adjust accordingly. Prothrombin time and INR are tests used to measure how well your blood is clotting.
Aluminum/Calcium/Magnesium/Iron Products
Taking both tetracycline and products or foods containing aluminum, calcium, magnesium, or iron may make the tetracycline less effective. It is a good idea to avoid taking any of the products listed above within two hours of taking your tetracycline. A few common products that contain these substances include
antacids, iron or calcium supplements, multivitamins, and laxatives.
Methoxyflurane
If you are taking tetracycline and happen to undergo anesthesia for a surgery or other procedure, it is possible that methoxyflurane (a general anesthetic) may be used. When tetracycline and methoxyflurane interact, severe kidney damage may occur.
Oral Contraceptives
If you are taking tetracycline and
oral contraceptives, tetracycline may reduce the effectiveness of your contraceptive. Be sure to talk with your healthcare provider about alternate contraceptive options.
Penicillin
It is recommended that you not take penicillin and tetracycline at the same time. This is because tetracycline may reduce penicillin's ability to fight an infection. If you are already taking tetracycline, talk with your healthcare provider about alternatives to penicillin.
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