Side effects of iron tablets

MedToday Lectures
MedToday Lectures
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Nov 12, 2026  #irontablet

Five most common side effects of iron tablets.

Iron tablets are commonly prescribed to prevent and treat iron deficiency and iron deficiency anaemia.

Although highly effective for most individuals, they can cause several side effects, including the following.

Constipation. One of the most common side effects.

Nausea. Some people experience nausea, especially when taking iron on an empty stomach.

Abdominal pain. Iron may cause stomach discomfort and cramps.

Diarrhoea. Some people may experience loose stools.

Dark stools. Your stools may become dark green or black, which is usually harmless during iron treatment.

Taking iron with a small amount of food may reduce stomach irritation, although it can decrease absorption.

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