What is the most serious adverse side effect of injectables?
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4 min read
In 2022, over 1.25 million serious adverse drug events were reported to the FDA [1.9.2]. While many side effects of injectable medications are mild, the answer to **what is the most serious adverse side effect of injectables** is anaphylaxis, a life-threatening allergic reaction [1.2.3, 1.4.6].