Learn about interactions between Synthroid and other medications, supplements, foods, alcohol, and more
Changing brand names Since most of the medications for hypothyroidism contain the same active ingredient (levothyroxine), it might seem harmless to switch
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Some interactions occur because one substance causes another substance to have a different effect than
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Please note that this list may not be complete, and other interactions with
In addition, certain medications such as the immunosuppressant drug tacrolimus, oral contraceptives
• aluminum hydroxide/magnesium hydroxide (Maalox) can make Synthroid less
antacids that contain aluminum or magnesium - Gaviscon, Maalox, Milk of Magnesia, Mintox, Mylanta, Pepcid Complete, and others
For example, sometimes alcohol levothyroxine magnesium oxide
To prevent or minimize potential interaction, these medications should preferably be taken at least four hours apart
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Therefore, levothyroxine should be taken on a consistent schedule with regard to time of day and relation to meals to avoid large fluctuations in blood levels, which may alter its effects
Common interactions include erythema among females, and general physical health deterioration among males
Phase IV trials are used to detect adverse drug outcomes and monitor drug In 1992, Campbell and colleagues 10 first studied the interaction of levothyroxine and ferrous sulfate
There are a few common supplements that have a known issue with affecting levothyroxine absorption
Questionable: There have been case reports that drugs containing magnesium decrease the effect of levothyroxine
There is 1 disease interaction with magnesium Antacids containing aluminum hydroxide and magnesium hydroxide (such as Maalox) theoretically, co-administration of CBD and levothyroxine may increase blood levels and, consequently, the effects of levothyroxine, leading to symptoms of hyperthyroidism, although this interaction has not been reported in humans
Thyroid Suppression Test
To prevent or minimize potential interaction, these medications should preferably be taken at least four hours apart
Applies to: levothyroxine and Mylanta (aluminum hydroxide / magnesium hydroxide / simethicone) Taking levothyroxine and simethicone too close together may interfere with the absorption of levothyroxine and reduce its effectiveness
This is when a medication reacts with one or more other drugs