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PAST HISTORY : I am a chronic asthmatic and have developed psvt recently..
Dr. Lianush Mkrtchyan answered : 7 years ago
Hi, you can begin to take Calaptin SR 120mg twice daily with tight control of blood pressure and heart rate. The drug effects on blood pressure and heart rate by lowering both, so begin to take the day when you are atay at home. Regularly check this parameters during first some days.