The drug is usually well tolerated by patients, however, the following side effects may occur:
From the side of the central nervous system: depending on the dose applied, cases of violation consciousness up to its loss; disturbances of breathing until it stops; muscular tremor; involuntary twitching of the muscles; sometimes progressing up to generalized seizures; nausea, vomiting.
From the side of the organ of vision: occasionally - blurred vision, transitory blindness, diplopia.
From the cardiovascular system: moderately severe disorders hemodynamics, manifested in lowering blood pressure, tachycardia or bradycardia, inhibiting cardiovascular activity, which in extreme manifestation can lead to collapse and cardiac arrest, which threatens the patient's life.
Allergic reactions: edema or inflammation at the injection site; in other areas - redness of the skin, itching, conjunctivitis, rhinitis,angioneurotic edema of varying severity (including edema of the upper and / or lower lip and / or neck, glottis with difficulty swallowing, hives, difficulty breathing). All these phenomena can progress to the development of anaphylactic shock.
Local reactions: swelling or inflammation at the injection site.
Other: headaches are often associated, probably with the presence of a preparation of an epinephrine. Other side effects caused by the action of epinephrine (tachycardia, arrhythmia, increased blood pressure), are extremely rare. Very rarely, a random intravascular injection can lead to the development of ischemic zones at the site of administration, sometimes progressing to tissue necrosis.