Listed below are some drugs that may cause constipation
- Aluminium containing antacids
- Calcium containing antacids
- Antispasmodics e.g. mebeverine, peppermint oil
- Antimuscarinics e.g. atropine, dicycloverine, hyoscine butylbromide, hyoscine hydrobromide, procyclidine, oxybutynin, darifenacin, flavoxate, tolerodine
- Bile acid sequestrants: colestyramine, colesevelam, colestipol
- Diuretics e.g. furosemide
- Sedating antihistamines e.g. chlorphenamine, promethazine
- Opioid analgesics e.g. codeine, dihydrocodeine, morphine, tramadol
- Tricyclic antidepressants e.g. amitriptyline, dosulepin, imipramine
- Monoamine-oxidase inhibitors (MAOIs) e.g. moclobemide, phenelzine
- Antipsychotics e.g. amisulpride, chlorpromazine, quetiapine, clozapine
- Antiparkinson drugs e.g. entacapone, pramipexole, procyclidine, selegiline, orphenadrine
- Antiepileptic drugs e.g. carbamazepine, oxcarbazepine, phenytoin, pregabalin
- Clonidine
- Methyldopa
- Alpha blockers e.g. prazosin, tamsulosin, doxazosin
- Calcium channel blockers: diltiazem, verapamil
- Iron preparations
- Calcium supplements
- Bisphosphonates e.g. alendronic acid, risedronate
- Bupropion
- Sucralfate
- Fidaxomicin
- Baclofen