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Isoptin SR (Verapamil Sr)

Also Known as Isoptin KKH,Cordilox SR, Calaptin SR

Prescription requiredOnly Available By Prescription
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What is Generic?

What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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This medicine is a calcium channel blocker used to treat angina (chest pain) or high blood pressure. It may also be used to treat other conditions as determined by your doctor.

Buy Isoptin SR (Verapamil Sr) online from online Canadian Pharmacy |

Side Effects

Some common side effects of Isoptin SR include dizziness, slow heartbeat, constipation, nausea, headache, and tiredness.

Let your doctor know promptly if you feel any of the following effects.

Some serious but rare side effects of this drug include:

  • Severe dizziness
  • Fainting
  • Shortness of breath
  • Swelling of feet and ankles
  • Unusual tiredness
  • Yellowing of skin
  • Dark urine
  • Itching and swelling of the tongue
Keep in mind that the doctor has prescribed this medication because he or she judged that the benefits of this drug outweigh the risks. Many people who use this medicine do not have serious side effects. A very serious allergic reaction to this drug is also very rare; however, if you do notice any symptoms of an allergic reaction, let your doctor know immediately.
IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.