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VERAPAMIL (ver AP a mil) treats high blood pressure and prevents chest pain (angina). It works by relaxing the blood vessels, which helps decrease the amount of work your heart has to do. It belongs to a group of medications called calcium channel blockers.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
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Take this medication by mouth with water. Take it as directed on the prescription label at the same time every day. Do not cut, crush or chew this medication. Swallow the capsules whole. You may open the capsule and put the contents in 1 teaspoon of applesauce. Swallow the medication and applesauce right away. Do not chew the medication or applesauce. Keep taking it unless your care team tells you to stop.
Do not take this medication with grapefruit juice.
Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
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Do not take this medication with any of the following:
-Cisapride
-Disopyramide
-Dofetilide
-Grapefruit juice
-Hawthorn
-Pimozide
-Red yeast rice
This medication may also interact with the following:
-Barbiturates such as phenobarbital
-Cimetidine
-Cyclosporine
-Lithium
-Local anesthetics or general anesthetics
-Medications for heart rhythm problems like amiodarone, digoxin, flecainide, procainamide, quinidine
-Medications for high blood pressure or heart problems
-Medications for seizures like carbamazepine and phenytoin
-Rifampin, rifabutin or rifapentine
-Theophylline or aminophylline
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
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Visit your care team for regular checks on your progress. Check your blood pressure as directed. Know what your blood pressure should be and when to contact your care team.
Do not treat yourself for coughs, colds, or pain while you are using this medication without asking your care team for advice. Some medications may increase your blood pressure.
This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
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If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
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Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Heart failure—shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, unusual weakness or fatigue
-Slow heartbeat—dizziness, feeling faint or lightheaded, trouble breathing, unusual weakness or fatigue
-Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
-Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Constipation
-Dizziness
-Headache
-Nausea
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
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Keep out of the reach of children and pets.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from moisture. Keep the container tightly closed. Avoid exposure to extreme heat. Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment. Drug information is sourced from GSDD (Gold Standard Drug Database ) provided by Elsevier.
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