Transdermal nitroglycerin eases tendon pain

But headaches are a side effect in some patients

Nitroglycerin patches help patients with overuse tendon injuries in the shoulders, wrists, heels and knees, a research review suggests.

person jogging for exercise

Senior author Dr Neal Millar, of the University of Glasgow in Scotland, says that while topical nitroglycerin has been examined for tendon pain for more than two decades, research to date has offered a mixed picture of how well it works for this purpose.

Dr Millar and colleagues analysed data from 10 smaller clinical trials, which randomly assigned some patients with tendon pain to use