Thyroid Preparations/Bile Acid Sequestrants; Sevelamer
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
If your cholesterol or phosphate binding medicine is taken at the same time as your thyroid medicine, it may also bind to the thyroid medicine in your digestive tract, preventing your body from absorbing the thyroid dose.
What might happen:
A decrease in the beneficial effects of your thyroid medicine may occur.
What you should do about this interaction:
Time your medicines so that you take your thyroid medicine four hours before or four hours after your cholesterol medicine or sevelamer.If you experience fatigue, sluggishness, constipation, stiffness, muscle cramps, loss of appetite, weight gain, dry skin, or difficulty in cold weather, contact your doctor. If you have questions about the timing of your medicines, ask your pharmacist.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
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