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Drug Information For:
VERAPAMIL 40MG TABLETS
Ingredient Name:VERAPAMIL (ver-AP-a-mil)
Drug Manufacturer:WATSON LABS
Common Uses:This medicine is a calcium channel blocker. This medicine is used for treating high blood pressure and chronic stable angina (chest pain). It may be used alone or with other medicines. It is also used for treating and preventing supraventricular tachycardia (a rhythm disturbance of the heart) and for controlling heart rate response to other rhythm disturbances, specifically atrial fibrillation and atrial flutter. It may also be used for other conditions as determined by your doctor.
Before Using This Medicine:SOME MEDICINES MAY INTERACT with this medicine. DO NOT TAKE THIS MEDICINE if you are taking dofetilide, or you have taken disopyramide within the past 48 hours. TELL YOUR HEALTHCARE PROVIDER if you are taking any other medicines, especially any of the following: beta-blockers (eg, propranolol), clonidine, disopyramide, ketolides (eg, telithromycin), macrolides (eg, erythromycin), ritonavir, phenobarbital, rifampin, St. John's wort, aldosterone blockers (eg, eplerenone), aspirin, carbamazepine, colchicine, cyclosporine, digoxin, doxorubicin, dronedarone, eletriptan, everolimus, flecainide, HMG-CoA reductase inhibitors (eg, lovastatin, simvastatin), lithium, narcotic pain relievers (eg, fentanyl), paclitaxel, quinazolines (eg, terazosin), quinidine, ranolazine, theophyllines, tolvaptan, or other blood pressure medicines (eg, lisinopril). This may not be a complete list of all interactions that may occur. Ask your health care provider if this medicine may interact with other medicines you take. DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including heart failure or other heart problems (eg, a very slow heart rate, heart block, heart valve disease), low blood pressure, kidney or liver problems, muscular dystrophy, a neuromuscular disease, allergies, pregnancy, or breast-feeding. Tell your doctor if you have had a recent heart attack with lung congestion or you are being treated for cancer. USE OF THIS MEDICINE IS NOT RECOMMENDED if you have certain heart problems (eg, left ventricular dysfunction, sick sinus syndrome, second- or third-degree heart block and do not have a pacemaker); very low blood pressure; moderate to severe congestive heart failure (CHF); atrial fibrillation or flutter and a pre-excitation syndrome (extra conduction pathway in the heart), such as Wolff-Parkinson-White (WPW) syndrome or Lown-Ganong-Levine (LGL) syndrome; or shock due to serious heart problems. This medicine should not be used in CHILDREN; safety and effectiveness in these children have not been confirmed. Contact your doctor or pharmacist if you have any questions or concerns about using this medicine.
How to Use This Medicine:Follow the directions for using this medicine provided by your doctor. Take this medicine by mouth with or without food. CHECK WITH YOUR DOCTOR before you eat grapefruit or drink grapefruit juice while you use this medicine. STORE THIS MEDICINE at room temperature, away from heat and light. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Cautions:DO NOT USE THIS MEDICINE if you are allergic to any ingredient in this medicine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. LAB TESTS, including liver function, kidney function, complete blood cell counts, and blood pressure may be performed while you use this medicine. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments. THIS MEDICINE MAY CAUSE dizziness or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use this medicine with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it. Do NOT drink alcohol or use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using this medicine; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness. THIS MEDICINE MAY CAUSE dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects. PATIENTS WHO TAKE medicine for high blood pressure often feel tired or run down for a few weeks after starting treatment. Be sure to take your medicine even if you may not feel "normal." Tell your doctor if you develop any new symptoms. TELL YOUR DOCTOR OR DENTIST that you take this medicine before you receive any medical or dental care, emergency care, or surgery. Use this medicine with caution in the ELDERLY; they may be more sensitive to its effects. PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using this medicine while you are pregnant. This medicine is found in breast milk. If you are or will be breast-feeding while you use this medicine, check with your doctor. Discuss any possible risks to your baby.
Possible Side Effects:SIDE EFFECTS that may occur while taking this medicine include: constipation; dizziness; fatigue; headache; lightheadedness; nausea. If they continue or are bothersome, check with your doctor. SEEK MEDICAL ATTENTION RIGHT AWAY if any of these SEVERE side effects occur: chest pain; fainting; lightheadedness, especially when standing; severe dizziness; shortness of breath; swelling of the feet or hands; symptoms of liver problems (eg, yellowing of the skin or eyes, dark urine, pale stools, severe or persistent stomach pain, fever, general feeling of being unwell); unusually fast, slow, or irregular heartbeat. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Overdose:IF OVERDOSE IS SUSPECTED, contact your local poison control center or emergency room immediately. Symptoms may include decreased mental status; dizziness; loss of consciousness; shortness of breath; slow or irregular heartbeat.
Additional Information:DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children and pets. IF USING THIS MEDICINE FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply runs out. CHECK WITH YOUR PHARMACIST about how to dispose of unused medicine.
Copyright 2015 Wolters Kluwer Health, Inc.