From the nervous system and sensory organs: less often - fatigue, general weakness; rarely (less than 1%) - nervousness, discomfort, blurred vision, diplopia, restless sleep, nightmares, unusual dreams, in children - paradoxical agitation; frequency unknown - ringing in the ears, convulsions, rigidity of the muscles (especially respiratory), tremor, involuntary muscle twitching. Lethargy, drowsiness, confusion, dizziness, headache, agitation, euphoria or depression, hallucinations.
From the cardiovascular system: decrease or increase in blood pressure, hahi or bradycardia.
From the digestive system: anorexia, (6%); rarely - irritation of the gastrointestinal tract, spasm of the bile duct,with inflammatory bowel diseases - paralytic intestinal obstruction and toxic megacolon (constipation, flatulence, nausea, gastralgia, vomiting); frequency unknown - constipation, hepatotoxicity (dark urine, pale stool, icteric sclera and skin). Dry mouth, indigestion, spastic pain.
From the side of the urinary system: rarely (less than 1%) - decreased diuresis, spasm of ureters (difficulty and pain when urinating, frequent urge to urinate).
Allergic reactions: less often - swelling of the face; rarely (less than 1%) - angioedema; local reactions: hyperemia, edema, burning at the injection site. Hives, anaphylactic shock, bronchospasm, laryngeal edema, itching, sneezing.
From the respiratory system: pulmonary edema; decrease in the minute volume of respiration.
Other: increased sweating, tenderness at the injection site, drug dependence, withdrawal syndrome (spastic abdominal pain, nausea, vomiting, rhinorrhea, lacrimation, weakness, anxiety, fever).