There are several medications that may cause potentially negative interactions when taken with ephedra. Some of these medications include other stimulants, MAOIs, QT-prolonging medications, and diabetes medications. These ephedra drug interactions can result in very dangerous side effects, such as an irregular heart rhythm. To avoid these problems, be sure to talk to your healthcare provider before taking ephedra with any other medications.
It is important to note that ephedra is banned in the United States. It is not considered to be safe when used alone or in combination with other supplements or medications.