{"title":"NCLEX Pharmacology: Essential Medications You Must Know","subtitle":"Master the drug categories that appear most frequently","excerpt":"Pharmacology makes up a significant portion of the NCLEX. This guide covers the essential medications and drug classes you need to master.","hero_image_url":"https://res.cloudinary.com/hlt-media/image/upload/v1781539128/hlt-mmm2/generated/mmm2-premium-editorial-photograph-for-nclex-rn-mqfeedf5.png","canonical_url":"https://hltmastery.com/resources/nclex-rn/pharmacology-nclex-guide","published_at":"2026-04-06T18:13:28.264061+00:00","updated_at":"2026-06-15T16:00:11.498952+00:00","reading_time_minutes":10,"content_type":"content-review","collection_slug":"nclex-rn","vertical":"nursing","rendered_html":"<p>Pharmacology questions typically comprise 12-18% of the NCLEX-RN exam. Rather than memorizing every medication, focus on understanding drug classes and key nursing considerations.</p><h2 id=\"cardiac-drugs\">Cardiac Medications</h2><p>Beta-blockers, ACE inhibitors, and antiarrhythmics are frequently tested. Know the mechanism of action, common side effects, and nursing interventions.</p><h2 id=\"antibiotics\">Antibiotics and Anti-infectives</h2><p>Understand the different classes of antibiotics, when they're used, and critical nursing considerations like allergies and drug interactions.</p><h2 id=\"pain-meds\">Pain Management</h2><p>From NSAIDs to opioids, know the nursing considerations, side effects, and patient education points for each category.</p>","body_text":"12–18% — of the NCLEX-RN exam is pharmacology questions\n\nRather than memorizing every medication, focus on understanding drug classes and key nursing considerations.\n\nMaster a few sturdy drug-class pillars instead of memorizing every medication. — Four classical columns each topped with a different pill shape, representing the core drug classes that pharmacology rests on\n\nCardiac Medications\n\nBeta-blockers, ACE inhibitors, and antiarrhythmics are frequently tested. Know the mechanism of action, common side effects, and nursing interventions.\n\nAntibiotics and Anti-infectives\n\nUnderstand the different classes of antibiotics, when they're used, and critical nursing considerations like allergies and drug interactions.\n\nPain Management\n\nFrom NSAIDs to opioids, know the nursing considerations, side effects, and patient education points for each category.","og":{"title":"NCLEX Pharmacology: Essential Drug Categories Every Nursing Student Must Know | HLT Mastery","description":"Focus your NCLEX pharmacology prep on what matters: cardiac meds, antibiotics, and pain management—with nursing considerations and patient education points.","image":"https://res.cloudinary.com/hlt-media/image/upload/w_1200,h_630,c_fill,g_auto,q_auto,f_auto/v1781539128/hlt-mmm2/generated/mmm2-premium-editorial-photograph-for-nclex-rn-mqfeedf5.png"}}