bentyl problem please help

i was given bentyl for cramps 20mg suppose to take it 3 times a day i started at once then went to twice then went to 3..took it for like 4-5 days i think then didnt like how i was feeling so i stopped it..

then after stopping it feeling my heart rate go up..and increase in pvcs (palpitations) that i already suffer from and its been like 4 days cine i last took the pill and i feel shaky and heart racing and beating hard...this has to be from the pill..but how long will this last?

[Ratnakar Kini, MD]

Hi
Bentyl increases heart rate.
The half life is around two hours.
Since you have increased heart rate even 4 days after stopping the medication, it may not due to bentyl.
Consult a cardiologist for evaluation.