Serenata treatment is often accompanied by headache, yawning, nausea, stool disorder, ringing in the ears, flushing, chest pain, palpitations, increased fatigue, dry mouth, visual impairment, bloating, drowsiness, general weakness, appetite disturbance, myalgia, arthralgia, dizziness, paresthesia, tremor, bronchial spasm, insomnia, decreased libido, dysgeusia, hypertension, anxiety, pharyngitis, agitation, shortness of breath, increased sweating, increased excitability, dyspepsia.
With the use of tablets, it is possible to develop hypertension, asthenia, amnesia, fever, decreased sexual function, hallucinations, tachycardia, hyperemia, tenderness in the ears, mydriasis, esophagitis, hemorrhoids, increased salivation, edema of the face and extremities, hypersensitivity, allergies (rash, itching, urticaria ), back pain, hypothyroidism, osteoarthritis, muscle weakness, seizures, coordination disorders, hyperkinesia, hypoesthesia, speech disorders, migraine, syncope, euphoria, apathy, aggressiveness, muscle spasms, paranoia, suicidal thoughts, premature ejaculation, nocturia, polyuria, urination disorders, menstrual irregularities, upper respiratory tract infections, urinary incontinence, vaginal bleeding.
Rarely, treatment with Serenata provokes complications in the form of coma, diabetes mellitus, myocardial infarction, hernia, tearful device disorder, laryngospasm, hypercholesterolemia, glaucoma, diplopia, photophobia, scotoma, eye hemorrhage, Stevens-Johnson syndrome, bradycardia, pirouette type arrhythmia , peripheral ischemia, hematuria, bleeding, lymphadenopathy, leuko- and thrombocytopenia, hyper- or hypoventilation, liver function disorders (hepatitis, jaundice, insufficiency), melena, stomatitis, dental lesions, glossitis, diverticulitis, otitis media, pancreatitis, ulcerative lesions of the oral mucosa and tongue, urinary retention, gait disorders, neoplasms, anaphylactic shock, impaired sperm properties, hyperprolactinaemia, impaired secretion of antidiuretic hormone, toxic epidermal necrolysis, hypo- or hyperglycemia, hyponatremia, muscle spasms and convulsions, diseases of the osseous system, choreoathetosis, QT interval elongation, dyskinesia, sensory disorders, symptoms of serotonin syndrome (anxiety, diaphoresis, hypertension, diarrhea, hyperthermia muscle stiffness, tachycardia), dysphonia, hiccups, cerebrovascular spasm, menorrhagia, balanoposthitis, atrophic vulvovaginitis, gynecomastia, interstitial lung diseases, priapism and galactorrhea.
