| Term | Definition |
| Analgesics (opioid) | sedation, confusion, nausea and vomitting, agitation, decrease in BP, decrease in R, risk for dependence |
| Anticonvulsant | toxicity; GI distress, gingival hyperplasia; nystagmus; sedation |
| Antiarrhythmics | decrease in BP, slows heart rate |
| Anticoagulants | slight bleeding to hemorrhage |
| Antihypertensives | decrease in BP and heart rate |
| Anti-infectives (antibiotics) | allergic hypersensitivity; direct toxicity; superinfection |
| Tetracycline | calcium and iron decrease absorption |
| Anti-inflammatories (non steroid) | GI ulcers and bleeding, tinnitus, H/A, hematuria, rash |
| Anti-inflammatories (steroid) | masks infections; osteoporosis; depression of adrenal function; GI ulcers |
| Antiulcer agents | confusion, diarrhea, dizziness |
| Cardiotonics (glycosides) | toxicity symptoms-nausea, vomitting, diarrhea, halos around lights, bradycardia |
| non-potassium sparing Diuretics | hypokalemia; hypotension, tachycardia; dehydration |
| potassium sparing Diuretics | hyperkalemia; dehydration |
| Estrogens | blood clots; increase in BP; edema, migraine H/A |
| Insulin | hypoglycemia; irritability; tremor; H/A; convulsions |
| Laxatives | diarrhea; deydration; cramping |
| Oral hypoglycemics | hypoglycemia; nausea; vomitting; diarrhea |
| Sedatives and hypnotics | confusion; decrease R; nausea and vomitting |
| Vasodilators | H/A, postural hypotension; dry mouth; dizziness |