Taking phentermine for weight loss

Patient: Is it ok to take phentermine with an irregular heartbeat?

Symptoms: N/a

Doctor: Thank you for your question. Phentermine is not indicated to be taken by anyone who has a history of any heart disease s uch as coronary artery disease, arrhythmias or murmurs as this amphetamine class of medication can cause life threatening increases in heart rate in these group of patients. Do not take this medication.Thank you for consulting AskTheDoctor.com