Never take more than the recommended dose of a multivitamin. Avoid taking more than one multivitamin product at the same time unless your doctor tells you to. Taking similar vitamin products together can result in a vitamin or mineral overdose or serious side effects. Seek emergency medical attention if you think you have used too much of this medicine. An overdose of vitamins A, D, E, or K can cause serious or life-threatening side effects. Iron and other minerals contained in a multivitamin can also cause serious overdose symptoms if you take too much.

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Overdose symptoms may include severe stomach pain, vomiting, bloody diarrhea, coughing up blood, constipation, loss of appetite, hair loss, peeling skin, warmth or tingly feeling, changes in menstrual periods, weight loss, severe headache, muscle or joint pain, severe back pain, blood in your urine or stools, black and tarry stools, pale skin, easy bruising or bleeding, weakness, shallow breathing, weak and rapid pulse, pale skin, blue lips, and seizure (convulsions).

 

Do not take this medication with milk, other dairy products, calcium supplements, or antacids that contain calcium. Calcium may make it harder for your body to absorb certain ingredients of the multivitamin with iron.

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Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor if you have serious side effects such as:

• bright red blood in your stools; or

• pain in your chest or throat when swallowing a ferrous fumarate tablet.

When taken as directed, multivitamins are not expected to cause serious side effects. Less serious side effects may include:

• constipation, diarrhea;

• nausea, vomiting, heartburn;

• stomach pain, upset stomach;

• black or dark-colored stools or urine;

• temporary staining of the teeth;

• headache; or

• unusual or unpleasant taste in your mouth.