Suffix → Drug Class
| -pril | ACE inhibitor |
| -sartan | ARB |
| -olol | Beta blocker |
| -dipine | Calcium channel blocker |
| -statin | Statin (cholesterol) |
| -pam / -lam | Benzodiazepine |
| -cillin | Penicillin antibiotic |
| -floxacin | Fluoroquinolone |
| -cycline | Tetracycline |
| -prazole | PPI |
| -tidine | H2 blocker |
| -mycin/-micin | Aminoglycoside/macrolide |
Antidotes / Reversal
| Heparin | Protamine sulfate |
| Warfarin | Vitamin K |
| Opioids | Naloxone |
| Benzodiazepines | Flumazenil |
| Acetaminophen | Acetylcysteine |
| Digoxin | Digoxin immune Fab |
| Magnesium | Calcium gluconate |
| Iron | Deferoxamine |
Therapeutic Levels
| Digoxin | 0.5–2.0 ng/mL |
| Lithium | 0.6–1.2 mEq/L |
| Phenytoin | 10–20 mcg/mL |
| Vancomycin (trough) | 10–20 mcg/mL |
| Warfarin (INR) | 2–3 |
| Heparin (aPTT) | 1.5–2.5× |
High-Alert & Safety
| High-alert | insulin, heparin, opioids, KCl, chemo — double-check |
| Never IV push | potassium |
| Insulin IV | only regular insulin |
| Mixing insulin | clear before cloudy (RN) |
| Digoxin | hold if apical pulse <60 |
Food / Timing
| MAOIs | avoid tyramine (aged cheese, cured meats, wine) |
| Warfarin | consistent vitamin K (leafy greens) |
| Tetracyclines | avoid dairy/antacids; photosensitivity |
| Levothyroxine | AM, empty stomach, same time daily |
| Bisphosphonates | full water, upright 30 min |
Educational quick-reference only; values/ranges vary by source. Verify against your facility and the current NCSBN test plan.
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