From the nervous system: extrapyramidal disorders - spasm of facial musculature, trismus, rhythmic protrusion of the tongue, bulbar type of speech, spasm of extraocular muscles (including oculogic crisis), spastic torticollis, opisthotonus,muscular hypertonia; Parkinsonism (hyperkinesis, muscle rigidity - a manifestation of dopaminoblocking action, the risk of development in children and adolescents increases with exceeding the dose of 0.5 mg / kg / day); dyskinesia (in the elderly, with chronic renal failure); drowsiness, fatigue, anxiety, confusion, headache, tinnitus, depression.
From the digestive system: constipation or diarrhea, rarely dry mouth.
On the part of the hematopoiesis system: neutropenia, leukopenia, sulfgemoglobinemia in adults.
From the cardiovascular system: atrioventricular blockade.
From the side of metabolism: porphyria.
Allergic reactions: urticaria, bronchospasm, angioedema.
From the endocrine system: rarely (with prolonged admission in high doses) - gynecomastia, galactorrhea, menstrual cycle.
Other: at the beginning of treatment, agranulocytosis is possible, rarely (when used in high doses) - hyperemia of the nasal mucosa.
If you develop any of the side effects listed in the instructions, contact your doctor as soon as possible.
If any of the side effects listed in the manual are aggravated,or you notice any other side effects not listed in the instructions, tell your doctor.