From the nervous system: insomnia, drowsiness, dizziness, paresthesia, tremor, nervousness, amnesia, agitation, asthenia, decreased ability to concentrate, anxiety.
From the side of the musculoskeletal system: myalgia, myasthenia gravis, myoclonia, myopathic syndrome.
From the sense organs: change in taste, impaired vision.
From the genitourinary system: urinary retention, increased urination, impaired sexual function (including decreased potency, ejaculatory impairment), decreased libido.
From the digestive system: a change in appetite (increase or decrease), nausea, dry mouth, constipation, or diarrhea.
Other: rhinitis, increased sweating, skin rash.