risk of abnormal heart rhythms in susceptible people.
Risk may be higher if you:
* Already have a rhythm disorder
* Have low potassium or magnesium
* Take other medicines that prolong the QT interval
* Have significant heart disease
A doctor or pharmacist can check for important medication interactions.
## 7. Aortic Problems
Fluoroquinolones have also been associated with a rare increased risk of **aortic aneurysm or aortic dissection** in susceptible patients.
The aorta is the body’s largest artery.
Sudden severe:
* Chest pain
* Back pain
* Abdominal pain
requires emergency medical attention regardless of whether
