Isoptin SR 240 mg and Isoptin SR 120 mg are to be taken orally with or without food as told by your physician. It can be taken 3-4 times daily.The dosage of this drug depends on the severity of your medical condition and your response to treatment. Use this drug daily to get the most benefit from it and take it at the same time each day.Keep taking this medication even after you start to feel better. To prevent chest pains from occurring, it is very important to take this medication regularly as prescribed.Do not stop taking this medication without consulting your doctor and if your condition starts to get worse, notify your doctor immediately.

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

Isoptin SR(Verapamil Sr)

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