Drugs that can cause constipation

Agents that cause constipation especially among the elderly include:-

  • Opoid pain relievers like Morphine, Codeine etc.
  • Anti-cholinergic agents like Atropine, Trihexiphenidyl
  • Antispasmodics like dicyclomine
  • Tricyclic antidepressants like amytriptyline
  • Calcium channel blockers used in arrhythmias and high blood pressure such as verapamil
  • Anti-Parkinsonian drugs – Parkinson’s disease itself may cause constipation and the drugs used for this condition including Levodopa cause constipation as well
  • Sympathomimetics like ephedrine and terbutaline. Terbutaline is commonly used on bronchial asthma
  • Antipsychotics like clozapine, thioridazine, chlorpromazine used for psychiatric disorders
  • Diuretics for heart failure like furosemide
  • High blood pressure lowering agents like methyldopa, clonidine, propranolol etc.
  • Antihistamines like diphenhydramine
  • Antacids especially calcium and aluminium containing
  • Calcium supplements
  • Iron supplements
  • Antidiarrheal agents (loperamide, attapulgite)
  • Anticonvulsants e.g. phenytoin, clonazepam
  • Pain relievers or NSAIDs (Non steroidal anti-inflammatory drugs) like ibuprofen, aspirin etc.
  • Miscellaneous compounds including Octreotide, polystyrene resins, cholestyramine (for lowering high blood cholesterol) and oral contraceptives
  • ————

Foods to eat when constipated

  • baked beans
  • black-eyed peas
  • garbanzo beans
  • lima beans
  • pinto beans, or
  • kidney beans
  • kiwi
  • plums
  • pears
  • sweet potatoes with skin

 

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