From the central nervous system: dizziness, weakness, insomnia or drowsiness, convulsions, tremor, motor disorders, serotonin syndrome (agitation, tremor, myoclonus, hyperthermia), visual disturbances.
From the side of the psyche: hallucinations, mania, confusion, agitation, anxiety, depersonalization, panic attacks, increased irritability,
From the respiratory system: sinusitis, yawning.
From the digestive system: nausea, vomiting, dry mouth, taste disorders, decreased appetite, diarrhea, constipation.
From the side of the cardiovascular system: orthostatic hypotension.
From the endocrine system: decrease in the secretion of antidiuretic hormone (ADH).
From the genitourinary system: retention of urine.
From the side of the organs of sight: visual impairment.
On the part of the reproductive system: galactorrhea, decreased libido, impotence, impaired ejaculation, anorgasmia (in women).
From the skin: skin rash, itching, ecchymosis, purpura, angioedema, increased sweating.
From the musculoskeletal system: arthralgia, myalgia.
Laboratory indicators: hyponatremia, changes in laboratory parameters of liver function.
Other: hyperthermia, anaphylactic reactions.
With a sharp discontinuation of the drug, there may be a "cancellation" syndrome (dizziness, headaches and nausea).To avoid the occurrence of withdrawal syndrome, a gradual withdrawal of the drug within 1-2 weeks is recommended.