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Table 1 Examples of treatment related adverse events

From: Opioid therapy vs. multimodal analgesia in head and neck Cancer (OPTIMAL-HN): study protocol for a randomized clinical trial

Structure

Adverse Event

Cardiac

Asystole

Cardiac Arrest

Myocardial Infarction

Gastrointestinal

Constipation

Dry mouth

Oral Mucositis

Nausea

Vomiting

Lower gastrointestinal hemorrhage

Upper gastrointestinal hemorrhage

Duodenal hemorrhage

Duodenal ulcer

Duodenal perforation

Dyspepsia

Gastric hemorrhage

Gastric ulcer

Gastric perforation

Colonic perforation

Small bowel perforation

General disorders

Death NOS

Localized edema e.g. peripheral or facial

Fatigue

Investigations

Alanine aminotransferase increased

Aspartate aminotransferase increased

Alkaline phosphatase increased

INR increased

Prothrombin time prolonged

Total, direct, or indirect bilirubin increased

Hypoalbuminemia

Creatinine increased

Hyperkalemia

Weight gain

Nervous system disorders

Cognitive disturbance

Concentration impairment

Depressed level of consciousness

Lethargy

Memory impairment

Somnolence

Stroke

Transient ischemic attacks

Dizziness

Blurred vision

Vision decreased

Headache

Ataxia

Psychiatric disorders

Confusion

Delirium

Hallucinations

Insomnia

Suicidal ideation

Renal and urinary disorders

Acute kidney injury

Skin disorder

Pruritis

Dermatitis (either radiation-related or exfoliative)

Stevens-Johnson Syndrome

Toxic Epidermal Necrolysis

Immune system disorders

Anaphylaxis

Hematologic disorders

Anemia

Agranulocytosis

Thrombocytopenia

Aplastic anemia

Febrile neutropenia

Musculoskeletal and connective tissue disorders

Rhabdomyolysis