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Sleeping problems, anxiety as side effect of DILTIAZEM.

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I have been on lisinoprol 20 mg since dec.11 for hypertension and xanax for anxiety. My doctor added diltiazem ER 120 mg, to relieve the racing heart and palpatations I'm having ECG came out normal. Think the racing heart and palpatations are from anxiety. But I was told that xanax and Diltiazem ER should not be given together. Last night after taking first dosage of Diltiazem ER at 6:00 pm I went to bed at 11:00 took my .25 mg of xanax and 2 hours later woke up for no reason then would wake up every 2 hours. I had been sleeping pretty good till last night. I know sleeping problems are a side effect of Diltiazem and I have much more anxiety than I normally do.

Can you give me your opinion

Category: Cardiologist

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Dr. Vivek Mahajan
Category: Cardiologist
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Expert:  Dr. Vivek Mahajan
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Hello
Thank you for your query at DoctorSpring.com
It could be more of anticipatory anxiety expecting diltiazem to cause the side effect because you know about it. You could shift diltiazem to morning hours. Also it woukd have been better if your doctor had started diltiazem not as a high dose sustained release formulation. Instead 30 mg diltiazem 3 times a day and later increasing to sustained release 90 mg followed by increasing to 120 mg woild have avoided side effects of diltiazem if any. Better than diltiazem for anxiety and sinus tachycardia we have newer and better drugs like ivabradine which could be prescribed for you. You could ask your cardiologist to prescribe the same for you. It is devoid of many of the side effects of diltiazem.

Regards
Dr Vivek Mahajan
DM Cardiology

Dr. Vivek Mahajan
Category: Cardiologist
Experience: 
Fellowship: DM, Cardiology, PGIMER, 2013
Residency: MD, Internal Medicine, AIIMS, 2007
Internship: King Edward Memorial (KEM) Hospital, 2003 
Medical School: MBBS, Seth G.S. Medical College, 2002
Dr. Vivek Mahajan and 4 other Medical Specialists are ready to help you

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