Tag: iron

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Food and Supplement Drug Interactions

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On this episode of the Real Life Pharmacology Podcast, I cover some of the most common food and supplement drug interactions.

The 3 G’s can potentially increase the risk of bleeding in patients on anticoagulants and antiplatelets. I discuss what supplements these are.

There are some vitamins that can cause drug interactions. Vitamin C is a supplement that can alter the absorption of some medications.

Metal cations like iron can bind certain medications and reduce absorption. I discuss which medications are most likely to be affected.

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Iron Supplement Pharmacology

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Iron supplements frequently cause GI upset. Monitor patients for nausea, vomiting, and constipation issues.

There are three main salt forms of iron. Ferrous fumurate has the most elemental iron, ferrous sulfate (2nd most), and ferrous gluconate has the least.

Iron can bind up antibiotics and reduce their effectiveness. Two classic examples include the quinolone and tetracycline antibiotics.

Anemia can be caused by numerous concerns, however, iron deficiency is a very common cause.

Ferritin is a lab that we commonly monitor in a patient who may be iron deficient. Iron deficiency can also lead to symptoms of Restless Leg Syndrome.

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