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Red yeast rice Side Effects

Applies to red yeast rice: oral capsule

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Although not all side effects are known, red yeast rice is thought to be possibly safe when taken as directed for up to 4.5 years.

Stop using red yeast rice and call your healthcare provider at once if you have:

  • unexplained muscle pain, tenderness, or weakness;

  • fever, unusual tiredness; or

  • nausea, upper stomach pain, itching, tiredness, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Common side effects may include:

  • constipation; or

  • stomach discomfort.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

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