What Causes Tachycardia After Taking Gabapentin?

Posted on Thu, 19 Jun 2014

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Thu, 19 Jun 2014 Answered on

Wed, 9 Jul 2014 Last reviewed on

Question : HI THERE.
FROM MONDAY I HAVE STARTED PEACING ON GABAPENTIN IN ORDER TO DECREASE OR TOTALLY WITHDRAW FROM AMITRYPTILINE TREATMENT FOR SEVERE ? L CARPAL TUNELL SYNDROME. FEEING A BIT 'OUT OFF THE BODY' AND NOTICED SOME TECHYCARDIA 100-110 - SHOUKLD I BE WORRIED. CURRENTLY TAKING: 20 mg AMITRYPYLINE NOCTE AND GABAPENTIN 200mg TDS. THIS GOES TOGETHER WITH DICLOFENAC 50 g TDS AND CO-CODAMOL 8/.500-2 QDS/PRN, SOMETINES REQUINING EXTRA 15 mg OF CODEINE.
THANKS

Answered by Dr. Vaibhav Gandhi (1 hour later)

Brief Answer:
no need to worry

Detailed Answer:
Hello
I have studied your case.
There can be tachycardia due to gabapentin.
evening dose may reduce symptoms.
I not relieved after few days. ,then you can contact your doctor.
Dose reduction may be required.
Hope i have answered your questions. If you have further questions please feel free to ask. I will be happy to answer your question. Take care.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar