Cardiology Questions Answered by Verified Cardiologists.
Thank you for your question, if your symptoms have started after starting these medicine then yes it is a possible allergic reaction to medicine. you need to get in touch with your doctor and ask him to consider other medicine like verapamil / Diltiazem to help control the heart rate. I am assistant professor in cardiology. Let me know if you have questions, thank you. Do rate my reply as positive if no further questions.
Other possible cause is late allergic reaction to dye given in the angiogram and stress tests. If your heart rate is more than 100 and you are feeling dizzy then it can be due to tacyharrythmia and needs ASAP or emergency treatment.Thank you... do rate as positive if no further questions.