1. First of all, Xiao Su Jiuxin Pill is an emergency medicine, which is generally only used to treat acute myocardial ischemia. If you really take quick-acting jiuxin pills for a long time, you still need to go to the hospital first. Is myocardial ischemia aggravated?

2. Quick-acting Jiuxin Pills belong to nitrate drugs-common adverse reactions include hypotension, flushing and headache, and long-term use can produce tolerance.