Verapamil (Intravenous Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

• Blurred vision
• Chest pain or discomfort
• Confusion
• Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
• Fast, slow, pounding, or irregular heartbeat or pulse
• Lightheadedness, dizziness, or fainting
• Shortness of breath
• Sweating
• Unusual tiredness or weakness

• Cough
• Difficulty breathing
• Noisy breathing
• Tightness in chest
• Wheezing

• Convulsions
• Loss of bladder control
• Muscle spasm or jerking of all extremities
• Sudden loss of consciousness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Headache

• Hives or welts
• Itching
• Nausea
• Redness of skin
• Skin rash
• Stomach soreness or discomfort

• Discouragement
• Feeling of constant movement of self or surroundings
• Feeling sad or empty
• Increased sweating
• Irritability
• Lack of appetite
• Loss of interest or pleasure
• Sensation of spinning
• Sleepiness
• Tiredness
• Trouble concentrating
• Trouble sleeping
• Uncontrolled eye movements

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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