Medicines taken for various illnesses or conditions can cause constipation as a side effect in some people.
Here are some drugs that are known to cause constipation.
Here are some drugs that are known to cause constipation.
| Type of Drug | Primary Use | Active Ingredients |
| Antacids | Relieve heartburn | Brands containing aluminum, calcium |
| Anticonvulsants | Control epilepsy and other seizure disorders | Phenytoin, valproic acid |
| Antidepressants | Treat symptoms of depression | Amitryptyline, imipramine, nortriptyline |
| Antihypertensives | Lower blood pressure | Diltiazem, nifedipine, clonidine hydrochloride |
| Anti-Parkinson's agents | Relieve symptoms of Parkinson's disease | Levodopa, carbidopa |
| Antipsychotics | Treat symptoms of psychosis | Haloperidol, clozapine, risperidone |
| Antispasmodics | Decrease intestinal cramps, control overactive bladder | Propantheline dicyclomine, oxybutynin, tolterodine |
| Bile acid sequestrants | Reduce cholesterol | Cholestyramine, colestipol |
| Calcium supplements | Supplement dietary calcium | Calcium citrate, calcium carbonate |
| Chemotherapy agents | Treat cancer | Vinca alkaloids, alkylating agents, others |
| Diuretics | Lower blood pressure, promote excretion of water | Furosemide, hydrochlorothiazide |
| Iron supplements | Iron deficiency anemia | Ferrous fumarate, ferrous gluconate, ferrous sulfate |
| Opioids | Relieve pain | Morphine, codeine, oxycodone |
