Buy Isoptin SR Online

(Verapamil Hydrochloride ER)

The active ingredient in Calan SR is verapamil ER 24 HR. This medication belongs to two drug classes, including calcium channel blockers and group IV antiarrhythmics. Its mechanism of action works by relaxing the blood vessels to keep heart rhythms normal and decreases the amount of work the heart has to do.

Follow all directions given to you by your doctor and read all documents provided, including the full Prescribing Information, FDA-Approved Product Labeling, Instructions for Use, and Medication Guide before using Calan SR. However, the following is a synopsis of the general guidelines for the use of Calan SR:

• Take this medication orally exactly as directed by your healthcare provider at the same time daily.
• Swallow the capsules whole or open the capsule and put the contents in 1 teaspoon of applesauce.
• Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose.

Some mild or common side effects of Calan SR seen in clinical trials as compared to placebo include:

• Constipation.
• Headache.
• Dizziness.
• Abnormal liver function tests.

Some individuals may experience serious side effects while using Calan SR. These side effects may require immediate medical attention. If you experience any of the following, contact your healthcare provider or seek emergency medical help:

• Severe allergic reactions - skin rash, itching, hives, swelling.
• Heart failure - shortness of breath, sudden weight gain.
• Slow heart rate - dizziness, feeling lightheaded, unusual weakness.
• Liver injury - right upper belly pain, loss of appetite, nausea, yellowing skin or eyes.
• Low blood pressure (hypotension) - dizziness, blurry vision.

These are not all of the possible side effects of Calan SR. You should always seek medical advice from your healthcare provider for any questions or concerns about your medical condition or treatment. Read all patient information, medication guides, or drug information sheets that come with this medication. You can also report adverse effects to the Food and Drug Administration at www.fda.gov/medwatch or 1-800-FDA-1088.

Before starting Calan SR, it is crucial to discuss any existing health conditions with your healthcare provider. You should be sure that your healthcare provider is aware of all your medical conditions, including:

• Duchenne muscular dystrophy
• Heart disease (congestive heart failure, irregular heart rhythm).
• Pulmonary edema (fluid in the lungs).
• Liver disease.
• Low blood pressure (hypotension).
• Kidney disease.
• Nerve-muscle disorder (myasthenia gravis, muscular dystrophy).

Boxed Warning

• Heart failure.
• Hypotension.
• Elevated liver enzymes.
• Accessory bypass tract (Wolff-Parkinson-White or Lown-Ganong-Levine).
• AV block.

• Severe left ventricular dysfunction.
• Hypotension or cardiogenic shock.
• Sick sinus syndrome.
• Second- or third-degree heart block or AV block (except in patients with a functioning artificial ventricular pacemaker).
• Patients with atrial flutter or atrial fibrillation and an accessory bypass tract (eg, Wolff-Parkinson-White, Lown-Ganong-Levine syndromes).
• Previous hypersensitivity/allergic reaction to verapamil hydrochloride.

Calan SR starts to work on the day you start taking it, but it may take a couple of weeks to work fully.

When Calan SR is taken with other prescription drugs, over-the-counter medications, vitamins, and supplements, it may change how they work or increase the frequency or severity of side effects. Make sure that you tell your healthcare professional about anything that you are taking to avoid any negative drug interactions, including:

• Grapefruit juice.
• Lithium.
• Other heart or blood pressure medications (clonidine, digoxin, ivabradine, quinidine).
• Medications for tuberculosis (rifampin).
• Beta blocker (atenolol, metoprolol, propranolol).
• Medications for seizures (carbamazepine, phenobarbital).
• Cholesterol-lowering medications (atorvastatin).
• Antiviral medications for hepatitis or HIV/AIDS (atazanavir).
• Disopyramide.
• Dofetilide.
• Theophylline.
• Antifungal medications.
• Aspirin.
• St. John’s wort.
• Antibiotic (clarithromycin).
• Cimetidine.
• Cyclosporine.

Calan Sr is available in a variety of dosage forms, including:

• Extended-release oral capsules: 100 mg, 120 mg, 180 mg, 200 mg, 240 mg, 300 mg, 360 mg.
• Extended-release tablets: 120 mg, 180 mg, 240 mg.
• Oral tablets: 40 mg, 80 mg, 120 mg.

Store this medication at room temperature and keep it out of the reach of children.

Pfizer is the pharmaceutical company that manufactures Calan SR. Other names of this medication include Covera-HS, Isoptin SR, and Verelan PM.

There are lower-cost generic options available for the brand-name Calan SR.

Do not stop or adjust your use of this medication without first consulting with your healthcare provider.

It is unknown whether Calan SR will harm an unborn baby. Talk to your doctor if you are already pregnant or if you have any plans to become pregnant. They will know or recommend what is best for you.

Verapamil is known to pass into breast milk and may cause side effects in the nursing baby. Talk to your doctor if you are already breastfeeding or if you have any plans to breastfeed. They will know or recommend what is best for you.