Risedronate and Calcium Interactions Explained
The following sections explain in detail the potentially negative interactions that can occur when
risedronate and calcium is combined with any of the drugs listed above.
Aspirin
Both aspirin and
risedronate can be irritating to the stomach. Talk to your healthcare provider before taking aspirin if you are taking risedronate and
calcium. Of course, no other medications (including aspirin) should be taken within 30 minutes of taking risedronate and calcium.
Calcium Products
Calcium binds to risedronate in the stomach, preventing it from being absorbed in the body and making it less effective. While it is usually important for people with
osteoporosis to take calcium, it should not be taken within 30 minutes of taking risedronate. This is why the risedronate tablets and the calcium tablets are meant to be taken on different days of the week.
Fluoroquinolone Antibiotics
Calcium can decrease the absorption of fluoroquinolone antibiotics from the digestive tract, making them less effective. Make sure to take your antibiotic at least one hour before or two hours after taking calcium.
Iron Supplements
Iron binds to risedronate in the stomach, preventing it from being absorbed in the body and making it less effective. Also, calcium can decrease the absorption of iron into the body, making the iron less effective. Do not take iron supplements within 30 minutes of taking risedronate and calcium.
Magnesium Products
Magnesium binds to risedronate in the stomach, preventing it from being absorbed in the body and making it less effective. Do not take magnesium supplements within 30 minutes of taking risedronate and calcium.
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