VERAPAMIL® (Isoptin SR)
VERAPAMIL® USES: This drug is a calcium channel blocker. Calcium is involved in blood vessel contraction and in controlling the electrical impulses within the heart. By blocking calcium, Isoptin (Verapamil) relaxes and widens blood vessels and can normalize heart rates. Isoptin (Verapamil) is used to treat high blood pressure.
OTHER VERAPAMIL® USES: This medication may also be used for irregular heartbeats or chest pain (angina).
HOW TO USE VERAPAMIL®: The tablet or caplet form (which is a capsule-shaped tablet) should be taken with food.
This medication must be taken as directed to prevent chest pain. It is not effective if taken only when chest pain occurs.
Do not stop taking this medication suddenly without your doctor's permission. Chest pain can occur if the medication is stopped too fast. Your dose may need to be gradually decreased.
VERAPAMIL® SIDE EFFECTS: This drug may cause dizziness and lightheadedness especially during the first few days. When you sit or lie down for a while and get up, get up slowly to allow your body to adjust and minimize dizziness.
You may also experience nausea, blurred vision, weakness, lowered blood pressure, muscle cramps, headache, flushing or constipation. Inform your doctor if these effects persist or worsen.
Notify your doctor if you develop: breathing difficulties, rash, chest pain, swelling of the hands or feet, an irregular heartbeat.
If you notice other effects not listed above, contact your doctor or pharmacist.
VERAPAMIL® PRECAUTIONS: Before using this drug, tell your doctor your medical history, including: allergies (especially drug allergies), heart problems (e.g., heart rhythm disturbances, heart failure), liver or kidney disease, very low blood pressure, muscular dystrophy, brain tumors (cancer).
IMPORTANT NOTE: This information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug. No liability can be taken as a result of using this information.
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