Epinephrine generic name is Epinephrine Hydrochloride Injection, Epinephrine Hydrochloride Injection may cause adverse reactions such as palpitations, arrhythmias, and localized edema. 1. Palpitations: when injected with Epinephrine Hydrochloride Injection, it triggers a feeling of self-conscious heart beating and discomfort or panic. 2. Arrhythmia: injection of epinephrine hydrochloride injection may also lead to increased sympathetic excitability, triggering increased myocardial contractility, vasoconstriction, resulting in patients with arrhythmia. 3. Localized edema: when the injection of epinephrine hydrochloride injection may lead to increased blood pressure, can also cause ventricular compliance is reduced, thus leading to the patient’s localized edema. Epinephrine Hydrochloride Injection should be administered by injection by a healthcare professional under the guidance of a medical professional.