Verapamil Sustained-Release Tablets (Controlled Onset)

V

Pronunciation: ver-AP-a-mil
Generic Name: Verapamil
Brand Name: Covera-HS
Verapamil Sustained-Release Tablets (Controlled Onset) are used for:

Treating high blood pressure and chest pain. It may be used alone or with other medicines. It may also be used for certain conditions as determined by your doctor.

Verapamil Sustained-Release Tablets (Controlled Onset) are a calcium channel blocker. It works by relaxing (dilating) your blood vessels, lowering blood pressure, and decreasing heart rate, which lowers the workload on the heart. It also dilates coronary arteries, which increases blood flow to the heart.

Do NOT use Verapamil Sustained-Release Tablets (Controlled Onset) if: you are allergic to any ingredient in Verapamil Sustained-Release Tablets (Controlled Onset) 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, or moderate to severe congestive heart failure (CHF) you have 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 you have shock caused by serious heart problems you are taking dofetilide, or you have taken disopyramide within the past 48 hours

Contact your doctor or health care provider right away if any of these apply to you.

Before using Verapamil Sustained-Release Tablets (Controlled Onset):

Some medical conditions may interact with Verapamil Sustained-Release Tablets (Controlled Onset). Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

if you are pregnant, planning to become pregnant, or are breast-feeding if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement if you have allergies to medicines, foods, or other substances if you have heart failure or a recent heart attack with lung congestion, low blood pressure, or heart problems (eg, a very slow heart rate, heart block, heart valve disease) if you have kidney or liver problems, muscular dystrophy, or a neuromuscular disease if you are taking another blood pressure medicine or you are being treated for cancer

Some MEDICINES MAY INTERACT with Verapamil Sustained-Release Tablets (Controlled Onset). Tell your health care 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), or ritonavir because they may increase the risk of Verapamil Sustained-Release Tablets (Controlled Onset)'s side effects Phenobarbital, rifampin, or St. John's wort because they may decrease Verapamil Sustained-Release Tablets (Controlled Onset)'s effectiveness Aldosterone blockers (eg, eplerenone), aspirin, carbamazepine, colchicine, cyclosporine, digoxin, dofetilide, doxorubicin, dronedarone, eletriptan, erythromycin, everolimus, flecainide, HMG-CoA reductase inhibitors (eg, lovastatin, simvastatin), lithium, narcotic pain relievers (eg, fentanyl), paclitaxel, quinazolines (eg, terazosin), quinidine, ranolazine, theophyllines, or tolvaptan because the risk of their side effects may be increased by Verapamil Sustained-Release Tablets (Controlled Onset)

This may not be a complete list of all interactions that may occur. Ask your health care provider if Verapamil Sustained-Release Tablets (Controlled Onset) may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Verapamil Sustained-Release Tablets (Controlled Onset):

Use Verapamil Sustained-Release Tablets (Controlled Onset) as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Take Verapamil Sustained-Release Tablets (Controlled Onset) by mouth with or without food. Check with your doctor before you eat grapefruit or drink grapefruit juice while you use Verapamil Sustained-Release Tablets (Controlled Onset). Swallow Verapamil Sustained-Release Tablets (Controlled Onset) whole. Do not break, crush, or chew before swallowing. If you miss a dose of Verapamil Sustained-Release Tablets (Controlled Onset), 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.

Ask your health care provider any questions you may have about how to use Verapamil Sustained-Release Tablets (Controlled Onset).

Important safety information: Verapamil Sustained-Release Tablets (Controlled Onset) may cause dizziness or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Verapamil Sustained-Release Tablets (Controlled Onset) 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 Verapamil Sustained-Release Tablets (Controlled Onset); it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness. Verapamil Sustained-Release Tablets (Controlled Onset) 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 Verapamil Sustained-Release Tablets (Controlled Onset) before you receive any medical or dental care, emergency care, or surgery. Lab tests, including liver function, kidney function, complete blood cell counts, and blood pressure, may be performed while you use Verapamil Sustained-Release Tablets (Controlled Onset). These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments. Use Verapamil Sustained-Release Tablets (Controlled Onset) with caution in the ELDERLY; they may be more sensitive to its effects. Verapamil Sustained-Release Tablets (Controlled Onset) should not be used in CHILDREN; safety and effectiveness in children have not been confirmed. PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Verapamil Sustained-Release Tablets (Controlled Onset) while you are pregnant. Verapamil Sustained-Release Tablets (Controlled Onset) are found in breast milk. If you are or will be breast-feeding while you use Verapamil Sustained-Release Tablets (Controlled Onset), check with your doctor. Discuss any possible risks to your baby. Possible side effects of Verapamil Sustained-Release Tablets (Controlled Onset):

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Constipation; dizziness; fatigue; headache; lightheadedness; nausea.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); 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.

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. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

See also: Verapamil (Controlled Onset) side effects (in more detail)

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), 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.

Proper storage of Verapamil Sustained-Release Tablets (Controlled Onset):

Store Verapamil Sustained-Release Tablets (Controlled Onset) at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Verapamil Sustained-Release Tablets (Controlled Onset) out of the reach of children and away from pets.

General information: If you have any questions about Verapamil Sustained-Release Tablets (Controlled Onset), please talk with your doctor, pharmacist, or other health care provider. Verapamil Sustained-Release Tablets (Controlled Onset) are to be used only by the patient for whom it is prescribed. Do not share it with other people. If your symptoms do not improve or if they become worse, check with your doctor. Check with your pharmacist about how to dispose of unused medicine.

This information is a summary only. It does not contain all information about Verapamil Sustained-Release Tablets (Controlled Onset). If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

Issue Date: February 1, 2012 Database Edition 12.1.1.002 Copyright © 2012 Wolters Kluwer Health, Inc. More Verapamil Sustained-Release Tablets (Controlled Onset) resources Verapamil Sustained-Release Tablets (Controlled Onset) Side Effects (in more detail)Verapamil Sustained-Release Tablets (Controlled Onset) Use in Pregnancy & BreastfeedingDrug ImagesVerapamil Sustained-Release Tablets (Controlled Onset) Drug InteractionsVerapamil Sustained-Release Tablets (Controlled Onset) Support Group29 Reviews for Verapamil (Controlled Onset) - Add your own review/rating Compare Verapamil Sustained-Release Tablets (Controlled Onset) with other medications AnginaArrhythmiaBipolar DisorderCluster HeadachesHigh Blood PressureIdiopathic Hypertrophic Subaortic StenosisMigraine PreventionNocturnal Leg CrampsSupraventricular Tachycardia

Verapamil Sustained Release Tablets Controlled Onset

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