From the nervous system and sensory organs: dizziness, headache, asthenia, anxiety, irritability, insomnia, nightmarish dreams, confusion,hallucinations, delirium, increased intracranial pressure, paresthesia, involuntary muscle twitching, convulsions, discoordination of movements, blurred vision, nystagmus, diplopia, miosis, ringing in the ears, change in taste; against a background of large doses - stiff muscles (especially respiratory); in children, paradoxical agitation; physical and mental dependence (after 1-2 weeks of regular admission), withdrawal syndrome.
From the side of the cardiovascular system and blood (hematopoiesis, hemostasis): tachycardia / bradycardia, palpitation, decrease / increase in blood pressure, fainting.
On the part of the respiratory system: oppression of the respiratory center, bronchospasm, atelectasis.
On the part of the digestive system: nausea, vomiting, constipation / diarrhea, dry mouth, anorexia, gastralgia, biliary tract spasm, cholestasis; with severe inflammatory bowel diseases - intestinal atony, paralytic intestinal obstruction, toxic megacolon (constipation, flatulence, nausea, stomach cramps, vomiting).
From the genitourinary system: decreased diuresis, spasm of ureters (difficulty and pain when urinating, frequent urge to urinate),spasm of the sphincter of the bladder, a violation of the outflow of urine or aggravation of this condition with prostatic hyperplasia and stenosis of the urethra, a decrease in libido and / or potency.
Allergic reactions: wheezing, face hyperemia, edema of the face, edema of the trachea, laryngospasm, chills, itching, rash, urticaria.
Others: increased sweating, dysphonia, weight loss, dehydration, pain in the limbs; local reactions - hyperemia, swelling, burning at the injection site.