Etiology
Etiology
- Drug-induced: opiates, antimuscarinics (Antihistamines, Anti-Parkinson’s, Antipsychotics, TCA’s, Muscle relaxants), diuretics, iron supplements, antihypertensives, ondansetron
- Dehydration
- Poor fibre intake
- Delirium
- Spinal cord compression
- Direct tumour effects: Small cell lung cancer, Carcinoid tumours
- Increased tumour size
- Nerve damage
- Certain conditions: Diverticular disease, IBS, IBD, DM, Hypothyroidism, Hypokalaemia, Hernia, colonic strictures, Rectocele, prolapse, haemorrhoids