List of adverse effects of trazodone

This is a list of adverse effects of the antidepressant trazodone, sorted by frequency of occurrence.

Very common
Very common (>10% incidence) adverse effects include:
 * Blurred vision
 * Dizziness
 * Somnolence
 * Dry mouth
 * Nausea
 * Headache
 * Fatigue

Common
Common (1–10% incidence) adverse effects include:
 * Vomiting
 * Constipation
 * Diarrhea
 * Backache
 * Confusion
 * Insomnia
 * Dream disorder
 * Disorientation
 * Incoordination
 * Nasal congestion
 * Orthostatic hypotension
 * Syncope
 * Tremor
 * Weight change
 * Anxiety
 * Hypotension
 * Oedema
 * Lack of coordination
 * Dysgeusia
 * Memory impairment
 * Migraine
 * Paraesthesia
 * Agitation
 * Dyspnoea
 * Night sweats

Uncommon
Uncommon (0.1–1% incidence) adverse effects include:
 * Hypersensitivity reaction
 * Muscle twitching
 * Amnesia
 * Aphasia
 * Hypoesthesia
 * Speech disorder
 * Bladder pain
 * Urinary incontinence
 * Gait disturbance
 * Reflux oesophagitis
 * Dry eye
 * Eye pain
 * Photophobia
 * Hypoacusis
 * Tinnitus
 * Vertigo
 * Acne
 * Hyperhidrosis
 * Photosensitivity reaction
 * Flushing

Rare
Rare (<0.1%) adverse effects include:
 * Urinary retention
 * Prolonged QT interval
 * Torsades de Pointes
 * Ataxia
 * Breast enlargement or engorgement
 * Lactation
 * Cardiospasm
 * Stroke
 * Chills
 * Cholestasis
 * Clitorism
 * Congestive heart failure
 * Diplopia
 * Extrapyramidal symptoms
 * Hallucinations
 * Haemolytic anaemia
 * Hirsutism
 * Hyperbilirubinaemia
 * Increased amylase
 * Increased salivation
 * Leukocytosis
 * Leukonychia
 * Jaundice
 * Liver enzyme alterations
 * Methemoglobinemia
 * Paraesthesia
 * Paranoid reaction
 * Stupor
 * Rash
 * Seizure
 * Priapism
 * Pruritus
 * Psoriasis
 * Psychosis
 * Suicidal ideation
 * Suicidal behaviour
 * Syndrome of inappropriate antidiuretic hormone secretion
 * Tardive dyskinesia
 * Serotonin syndrome
 * Unexplained death
 * Urticaria
 * Vasodilation