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GI 1
Generic | Brand | Pharmacologic Category | Common Indications | Essential knowledge |
---|---|---|---|---|
dicyclomine (PO) | Bentyl | Anticholinergic; Antispasmodic | IBS | Key Side Effects: drowsiness, blurred vision, dizziness Other Notes: Caution in cardiovascular disease, hepatic impairment, renal impairment, and hyperthyroidism |
lubiprostone (PO) | Amitiza | Chloride channel activator | IBS with constipation, chronic constipation, opioid-induced constipation | Key Side Effects: nausea, headache, dyspnea Other Notes: CI in known or suspected gastrointestinal obstruction |
dexamethasone (PO, IV) | DexPak, DoubleDex | Corticosteroid | Inflammatory diseases, cerebral edema | Key Side Effects: hyperglycemia, increased appetite with weight gain, depression, irritability, osteoporosis (chronic use), Cushing's syndrome (chronic use) Other Notes: risk of adrenal suppression with prolonged use |
methylprednisolone (PO, IV) | Medrol | Corticosteroid | Inflammatory diseases, COPD exacerbation, asthma exacerbation, acute gout | Key Side Effects: hyperglycemia, increased appetite with weight gain, depression, irritability, osteoporosis (chronic use), Cushing's syndrome (chronic use) Other Notes: risk of adrenal suppression with prolonged use |
prednisolone (PO) | Orapred | Corticosteroid | Inflammatory diseases, COPD exacerbation, asthma exacerbation, acute gout | Key Side Effects: hyperglycemia, increased appetite with weight gain, depression, irritability, osteoporosis (chronic use), Cushing's syndrome (chronic use) Other Notes: risk of adrenal suppression with prolonged use |
prednisone (PO) | Deltasone | Corticosteroid | Inflammatory diseases, COPD exacerbation, asthma exacerbation, acute gout | Key Side Effects: hyperglycemia, increased appetite with weight gain, depression, irritability, osteoporosis (chronic use), Cushing's syndrome (chronic use) Other Notes: risk of adrenal suppression with prolonged use |
hydrocortisone (IV, topical) * | Topical: Cortisone,Cortaid IV: Solu-Cortef | Corticosteroid | Topical: Inflammation, rash PO/IV: Acute illness, adrenal insufficiency | Key Side Effects: hyperglycemia, increased appetite with weight gain, depression, irritability, osteoporosis (chronic use), Cushing's syndrome (chronic use) Other Notes: risk of adrenal suppression with prolonged use |
metoclopramide (PO, IV) | Reglan | Dopamine (D2) antagonist | Gastroparesis, GERD, nausea, vomiting | Key Side Effects: drowsiness, dystonia, akathisia, EPS, QTc prolongation, diarrhea US Boxed Warnings: may cause tardive dyskinesia |
prochlorperazine (PO, PR, IM, IV) | Compazine | Dopamine (D2) antagonist | Nausea, vomiting | Key Side Effects: drowsiness, dizziness, xerostomia, blurred vision, constipation, QTc prolongation US Boxed Warnings: increased risk of death in elderly patients with dementia-related psychosis Other Notes: do not administer IV push |
ondansetron (PO, IV) | Zofran, Zofran ODT | Selective serotonin (5-HT3) antagonist | Nausea, vomiting | Key Side Effects: headache, fatigue, constipation, QTc prolongation |
promethazine (PO, IM, IV, PR) | Phenergan | Histamine (H1) blocker | Motion sickness, nausea, vomiting | Key Side Effects: drowsiness, dry mouth, blurred vision, QTc prolongation US Boxed Warnings: potential for fatal respiratory depression in patients < 2 years old; injection can cause peripheral extravasation (preferred parenteral route is IM) |
lactulose (PO) | Enulose, Constulose | Laxative | Constipation, hepatic encephalopathy | Key Side Effects: abdominal cramps, abdominal distention, diarrhea, flatulence |
diphenoxylate and atropine (PO) | Lomotil | Antidiarrheal | Diarrhea | Key Side Effects: nausea, confusion, drowsiness, dizziness, xerostomia, tachycardia, urinary retention |