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GI 1
| Pharmacologic Category | Generic | Brand | Classification | Common Indication | Key Side Effects | US Boxed Warnings | Other Notes |
|---|---|---|---|---|---|---|---|
| Anticholinergic; Antispasmodic | dicyclomine (PO) | Bentyl | n/a | IBS | drowsiness, blurred vision, dizziness, xerostomia, constipation | n/a | CI in gastrointestinal obstruction, reflux esophagitis, acute hemorrhage with cardiac instability, obstructive uropathy, glaucoma |
| Guanylate cyclase C agonist | linaclotide (PO) | Linzess | n/a | IBS-C, opioid-induced constipation | diarrhea, abdominal pain | do not use in patients <2 years of age (risk of death due to dehydration) | mechanical gastrointestinal obstruction |
| Osmotic laxative | polyethylene glycol 3350 (po) | MiraLax | OTC | Constipation | abdominal cramping, electrolyte imbalance | n/a | CI with bowel obstruction |
| Osmotic laxative | Lactulose (PO) | Enulose, Constulose | n/a | Constipation, hepatic encephalopathy | abdominal cramps, abdominal distention, diarrhea, flatulence | n/a | n/a |
| Stimulant laxative | senna (PO) | Ex-Lax, Senokot | OTC | Constipation | abdominal cramping, electrolyte imbalance | n/a | n/a |
| Stool softener | docusate (PO) | Colace | OTC | Prevent straining during defecation | n/a | n/a | do not use with mineral oil |
| Corticosteroid | dexamethasone (PO, IV) | DexPak, DoubleDex | n/a | Inflammatory diseases, cerebral edema, CINV | hyperglycemia, increased appetite with weight gain, depression, irritability, anxiety, restlessness, insomnia, osteoporosis (chronic use), Cushing's syndrome (chronic use) | n/a | risk of adrenal suppression with prolonged use |
| Corticosteroid | methylprednisolone (PO, IM, IV) | Medrol, Solu-Medrol | n/a | Inflammatory diseases, COPD exacerbation, asthma exacerbation, acute gout | hyperglycemia, increased appetite with weight gain, depression, irritability, anxiety, restlessness, insomnia, osteoporosis (chronic use), Cushing's syndrome (chronic use) | n/a | risk of adrenal suppression with prolonged use |
| Corticosteroid | prednisolone (PO) | Orapred | n/a | Inflammatory diseases, COPD exacerbation, asthma exacerbation, acute gout | hyperglycemia, increased appetite with weight gain, depression, irritability, anxiety, restlessness, insomnia, osteoporosis (chronic use), Cushing's syndrome (chronic use) | n/a | risk of adrenal suppression with prolonged use |
| Corticosteroid | prednisone (PO) | Deltasone, Rayos | n/a | Inflammatory diseases, COPD exacerbation, asthma exacerbation, acute gout | hyperglycemia, increased appetite with weight gain, depression, irritability, anxiety, restlessness, insomnia, osteoporosis (chronic use), Cushing's syndrome (chronic use) | n/a | risk of adrenal suppression with prolonged use |
| Corticosteroid | hydrocortisone (PO, IV, topical) | Topical: Cortaid IV: Solu-Cortef | Topical: OTC | Topical: Inflammation, rash PO/IV: Acute illness, adrenal insufficiency | hyperglycemia, increased appetite with weight gain, depression, irritability, anxiety, restlessness, insomnia, osteoporosis (chronic use), Cushing's syndrome (chronic use) | n/a | risk of adrenal suppression with prolonged use |