<unk>  is capable of inducing a number of adverse side effects, which range from mild to severe. Nevertheless, they are generally mild when the dose is less than 1 gram per day. Side effects may include: * Psychological * Depression or even suicidal ideation, as well as nightmares * Apathy or anhedonia, as well as dysphoria * Anxiety, especially of the social anxiety variant * Decreased alertness, awareness, and wakefulness * Impaired attention, focus, and concentration * Decreased desire, drive, and motivation * Fatigue or lethargy or malaise or lassitude * Sedation or drowsiness or somnolence or sleepiness * Agitation or restlessness * Cognitive and memory impairment * Derealization or depersonalization, as well as mild psychosis * Sexual dysfunction including impaired libido, desire, and drive * Physiological * Dizziness, lightheadedness, or vertigo * Miosis or pupil constriction * Xerostomia or dry mouth * Gastrointestinal disturbances such as diarrhea or constipation * Headache or migraine * Myalgia or muscle aches, arthralgia or joint pain, or paresthesia ("pins and needles") * Restless legs syndrome (RLS) * Parkinsonian symptoms such as muscle tremors, rigidity, hypokinesia, or balance or postural instability * Akathisia, ataxia, dyskinesia as well as even tardive dyskinesia, or dystonia * Bell's palsy or facial paralysis * Sexual dysfunction consisting of impaired erectile dysfunction or anorgasmia * Hyperprolactinemia or excess prolactin, gynecomastia/breast enlargement in males, or amenorrhoea or absence of menstrual cycles in females * Bradycardia or decreased heart rate * Hypotension or decreased blood pressure (though this may also be considered a therapeutic benefit) * Orthostatic hypotension (also known as postural hypotension) * Hepatitis, hepatotoxicity, or liver dysfunction or damage * Pancreatitis or inflammation of the pancreas * Warm autoimmune hemolytic anemia or deficiency in red blood cells (RBCs) * Myelotoxicity or bone marrow suppression, potentially leading to thrombocytopenia or blood platelet deficiency or leukopenia or white blood cell (WBC) deficiency * Hypersensitivity such as lupus erythematosus, myocarditis, or pericarditis * Lichenoid reactions such as skin lesions or rashes * Pallor Rebound/withdrawal Rebound hypertension via withdrawal on account of tolerance upon the abrupt discontinuation of<unk>  has been reported.
Methyldopa
Fluorodopa
Cortisone
Galantamine
Acotiamide
Alpha-Hydroxyetizolam
Metergoline
Levothyroxine