Iron — Drug Interactions, Alcohol & Pregnancy Guide

Last reviewed: · Source: US FDA drug label database

About Iron

Iron supplements are used to treat and prevent iron-deficiency anaemia. They are commonly prescribed in pregnancy. Iron must be separated from levothyroxine, antacids, calcium and certain antibiotics (tetracyclines, fluoroquinolones) by at least 2 hours.

Also sold as: Ferrous sulphate, Ferrous fumarate, Pregaday, Spatone, Floradix

US name: Ferrous Sulfate

Drug class Mineral supplement / Haematinic
Used for Iron deficiency anaemia, Prevention of anaemia in pregnancy, Restless legs syndrome (off-label)
Max adult dose 200mg ferrous sulphate (65mg elemental iron) 1-3 times daily
OTC in UK Yes

Iron — Drug Combinations

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Iron + Levothyroxine
Iron supplements bind to levothyroxine in the gut and reduce its absorption — se…

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