English ReferenceThe following are described in greater detail in other sections: Cardiomyopathy and Ventricular Arrhythmias [see (5.1) ] Retinal Toxicity [see (5.2) ] Serious Skin Reactions [see (5.3) ] Worsening of Psoriasis [see (5.4) ] Risks Associated with Use in Porphyria [see (5.5) ] Hematologic Toxicity [see (5.6) ] Hemolytic Anemia Associated with G6PD [see (5.7) ] Skeletal Muscle Myopathy or Neuropathy [see (5.8) ] Neuropsychiatric Reactions Including Suicidality [see (5.9) ] Hypoglycemia [see (5.10) ] Renal Toxicity [see (5.11) ] The following have been identified during post-approval use of 4-aminoquinoline drugs, including hydroxychloroquine sulfate tablets. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure: Blood and lymphatic system disorders : Bone marrow depression, anemia, aplastic anemia, agranulocytosis, leukopenia, thrombocytopenia Cardiac disorders : Cardiomyopathy, cardiac failure, QT-interval prolongation, ventricular tachycardia, torsades de pointes, atrioventricular block, bundle branch block, sick sinus syndrome, pulmonary hypertension Ear and labyrinth disorders : Vertigo, tinnitus, nystagmus, sensorineural hearing loss Eye disorders : Retinopathy, retinal pigmentation changes (typically bull's eye appearance), visual field defects (paracentral scotomas), macular degeneration, corneal edema, corneal opacities, decreased dark adaptation Gastrointestinal disorders : Nausea, vomiting, diarrhea, abdominal pain General disorders : Fatigue Hepatobiliary disorders : Abnormal liver function tests, fulminant hepatic failure Immune system disorders : Urticaria, angioedema, bronchospasm Metabolism and nutrition disorders : Anorexia, hypoglycemia, weight loss Musculoskeletal and connective tissue disorders : Proximal myopathy, depressed tendon reflexes, abnormal nerve conduction Nervous system disorders : Ataxia, dizziness, headache, seizure, extrapyramidal disorders (dystonia, dyskinesia, tremor) Neuropsychiatric disorders : Affect/emotional lability, irritability, nervousness, psychosis, suicidal ideation, suicidal behavior, depression, hallucinations, anxiety, agitation, confusion, delusions, paranoia, mania and sleep disorders (insomnia, night terrors, nightmares) Skin and subcutaneous tissue disorders : Alopecia, hair color changes, rash, pruritus, photosensitivity, psoriasis exacerbation, hyperpigmentat...