{"id":795,"date":"2025-10-29T18:06:16","date_gmt":"2025-10-29T18:06:16","guid":{"rendered":"https:\/\/connectekglobal.com\/pharmacy\/?p=795"},"modified":"2025-10-30T18:09:39","modified_gmt":"2025-10-30T18:09:39","slug":"top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee","status":"publish","type":"post","link":"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/","title":{"rendered":"Top 20 Most-Prescribed Drugs You Must Know for NAPLEX and FPGEE"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Preparing for the <strong>NAPLEX<\/strong> or <strong>FPGEE<\/strong> means mastering not just pharmacology in theory, but also the <em>drugs you\u2019ll encounter most often in practice<\/em>. Year after year, the same medications dominate prescriptions across the U.S. \u2014 and these are the very names that appear again and again in exam questions, clinical case scenarios, and patient-counseling sections.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide covers the <strong>Top 20 Most-Prescribed Drugs<\/strong> that every candidate must know \u2014 their classes, key uses, adverse effects, and counseling points.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#1_Lisinopril_Prinivil_Zestril\" >1. Lisinopril (Prinivil, Zestril)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#2_Levothyroxine_Synthroid_Levoxyl\" >2. Levothyroxine (Synthroid, Levoxyl)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#3_Atorvastatin_Lipitor\" >3. Atorvastatin (Lipitor)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#4_Metformin_Glucophage\" >4. Metformin (Glucophage)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#5_Amlodipine_Norvasc\" >5. Amlodipine (Norvasc)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#6_Metoprolol_Lopressor_Toprol_XL\" >6. Metoprolol (Lopressor, Toprol XL)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#7_Albuterol_Ventolin_HFA_ProAir_HFA\" >7. Albuterol (Ventolin HFA, ProAir HFA)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#8_Omeprazole_Prilosec\" >8. Omeprazole (Prilosec)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#9_Losartan_Cozaar\" >9. Losartan (Cozaar)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#10_Simvastatin_Zocor\" >10. Simvastatin (Zocor)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#11_HydrocodoneAcetaminophen_Norco_Vicodin\" >11. Hydrocodone\/Acetaminophen (Norco, Vicodin)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#12_Hydrochlorothiazide_HCTZ_Microzide\" >12. Hydrochlorothiazide (HCTZ, Microzide)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#13_Sertraline_Zoloft\" >13. Sertraline (Zoloft)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#14_Gabapentin_Neurontin\" >14. Gabapentin (Neurontin)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#15_Furosemide_Lasix\" >15. Furosemide (Lasix)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#16_Amoxicillin_Amoxil\" >16. Amoxicillin (Amoxil)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#17_Prednisone\" >17. Prednisone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#18_Montelukast_Singulair\" >18. Montelukast (Singulair)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#19_Clopidogrel_Plavix\" >19. Clopidogrel (Plavix)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/connectekglobal.com\/pharmacy\/top-20-most-prescribed-drugs-you-must-know-for-naplex-and-fpgee\/#20_Insulin_Glargine_Lantus_Basaglar\" >20. Insulin Glargine (Lantus, Basaglar)<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Lisinopril_Prinivil_Zestril\"><\/span><strong>1. Lisinopril (Prinivil, Zestril)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> ACE inhibitor<br><strong>Use:<\/strong> Hypertension, heart failure, post-MI<br><strong>Key point:<\/strong> Can cause cough, hyperkalemia, angioedema \u2014 avoid in pregnancy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Levothyroxine_Synthroid_Levoxyl\"><\/span><strong>2. Levothyroxine (Synthroid, Levoxyl)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Thyroid hormone replacement<br><strong>Use:<\/strong> Hypothyroidism<br><strong>Key point:<\/strong> Take on an empty stomach, 30\u201360 min before breakfast; avoid calcium\/iron near dosing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Atorvastatin_Lipitor\"><\/span><strong>3. Atorvastatin (Lipitor)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> HMG-CoA reductase inhibitor<br><strong>Use:<\/strong> Dyslipidemia, ASCVD prevention<br><strong>Key point:<\/strong> Monitor LFTs and muscle pain; take any time of day.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Metformin_Glucophage\"><\/span><strong>4. Metformin (Glucophage)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Biguanide<br><strong>Use:<\/strong> Type 2 diabetes mellitus<br><strong>Key point:<\/strong> First-line agent; GI upset common; contraindicated in severe renal impairment (eGFR &lt; 30).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Amlodipine_Norvasc\"><\/span><strong>5. Amlodipine (Norvasc)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Calcium channel blocker (dihydropyridine)<br><strong>Use:<\/strong> Hypertension, angina<br><strong>Key point:<\/strong> May cause ankle edema, flushing, headache.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Metoprolol_Lopressor_Toprol_XL\"><\/span><strong>6. Metoprolol (Lopressor, Toprol XL)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Beta-1 blocker<br><strong>Use:<\/strong> Hypertension, angina, heart failure, post-MI<br><strong>Key point:<\/strong> Don\u2019t stop abruptly; watch for bradycardia and fatigue.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Albuterol_Ventolin_HFA_ProAir_HFA\"><\/span><strong>7. Albuterol (Ventolin HFA, ProAir HFA)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Short-acting \u03b2\u2082-agonist<br><strong>Use:<\/strong> Acute asthma\/COPD relief<br><strong>Key point:<\/strong> Inhale 1\u20132 puffs PRN; tremor and tachycardia possible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Omeprazole_Prilosec\"><\/span><strong>8. Omeprazole (Prilosec)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Proton-pump inhibitor<br><strong>Use:<\/strong> GERD, peptic ulcer<br><strong>Key point:<\/strong> Take before meals; long-term use \u2192 low Mg\u00b2\u207a, fractures, C. difficile risk.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Losartan_Cozaar\"><\/span><strong>9. Losartan (Cozaar)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> ARB<br><strong>Use:<\/strong> Hypertension, diabetic nephropathy<br><strong>Key point:<\/strong> Hyperkalemia risk; avoid in pregnancy; alternative if ACE-induced cough.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_Simvastatin_Zocor\"><\/span><strong>10. Simvastatin (Zocor)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Statin<br><strong>Use:<\/strong> Hyperlipidemia<br><strong>Key point:<\/strong> Take at bedtime; avoid strong CYP3A4 inhibitors (clarithromycin, azoles, grapefruit).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_HydrocodoneAcetaminophen_Norco_Vicodin\"><\/span><strong>11. Hydrocodone\/Acetaminophen (Norco, Vicodin)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Opioid analgesic combination<br><strong>Use:<\/strong> Moderate\u2013severe pain<br><strong>Key point:<\/strong> Risk of dependence, sedation; avoid other acetaminophen-containing products.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Hydrochlorothiazide_HCTZ_Microzide\"><\/span><strong>12. Hydrochlorothiazide (HCTZ, Microzide)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Thiazide diuretic<br><strong>Use:<\/strong> Hypertension, edema<br><strong>Key point:<\/strong> Causes hypokalemia, photosensitivity; monitor electrolytes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Sertraline_Zoloft\"><\/span><strong>13. Sertraline (Zoloft)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> SSRI antidepressant<br><strong>Use:<\/strong> Depression, anxiety, OCD<br><strong>Key point:<\/strong> May cause insomnia, sexual dysfunction; taper slowly to avoid withdrawal.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14_Gabapentin_Neurontin\"><\/span><strong>14. Gabapentin (Neurontin)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Anticonvulsant\/neuropathic pain agent<br><strong>Use:<\/strong> Seizures, neuropathic pain<br><strong>Key point:<\/strong> Causes dizziness and sedation; adjust dose in renal impairment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"15_Furosemide_Lasix\"><\/span><strong>15. Furosemide (Lasix)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Loop diuretic<br><strong>Use:<\/strong> Edema, heart failure<br><strong>Key point:<\/strong> Potent diuresis; monitor potassium, volume status, ototoxicity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"16_Amoxicillin_Amoxil\"><\/span><strong>16. Amoxicillin (Amoxil)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Penicillin antibiotic<br><strong>Use:<\/strong> ENT, respiratory, urinary infections<br><strong>Key point:<\/strong> Complete full course; may cause diarrhea or rash.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"17_Prednisone\"><\/span><strong>17. Prednisone<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Corticosteroid<br><strong>Use:<\/strong> Inflammatory and autoimmune disorders<br><strong>Key point:<\/strong> Take with food; taper after long-term use; can raise glucose and BP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"18_Montelukast_Singulair\"><\/span><strong>18. Montelukast (Singulair)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Leukotriene receptor antagonist<br><strong>Use:<\/strong> Asthma maintenance, allergic rhinitis<br><strong>Key point:<\/strong> Take once daily in evening; monitor for mood changes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"19_Clopidogrel_Plavix\"><\/span><strong>19. Clopidogrel (Plavix)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Antiplatelet (P2Y12 inhibitor)<br><strong>Use:<\/strong> Post-MI, stroke prevention, stent therapy<br><strong>Key point:<\/strong> Avoid PPIs like omeprazole; watch for bleeding\/bruising.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"20_Insulin_Glargine_Lantus_Basaglar\"><\/span><strong>20. Insulin Glargine (Lantus, Basaglar)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Class:<\/strong> Long-acting insulin<br><strong>Use:<\/strong> Type 1 &amp; 2 diabetes<br><strong>Key point:<\/strong> Inject once daily same time; monitor for hypoglycemia and injection-site reactions.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>How to Study These Drugs Effectively<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Learn mechanisms and monitoring together<\/strong> \u2013 Know what to <em>watch for<\/em> (labs, vitals) and <em>why<\/em>.<\/li>\n\n\n\n<li><strong>Master patient counseling<\/strong> \u2013 Exam cases often test whether you can translate pharmacology into plain advice.<\/li>\n\n\n\n<li><strong>Create class-based flashcards<\/strong> \u2013 E.g., \u201cACE inhibitors \u2013 suffix <em>-pril<\/em> \u2013 cough, hyperkalemia, pregnancy X.\u201d<\/li>\n\n\n\n<li><strong>Revise brand-generic pairs daily<\/strong> \u2013 You\u2019ll see both formats on test day.<\/li>\n\n\n\n<li><strong>Use active recall<\/strong> \u2013 Quiz yourself on indications, contraindications, black-box warnings.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Preparing for the NAPLEX or FPGEE means mastering not just pharmacology in theory, but also the drugs you\u2019ll encounter most often in practice. Year after year, the same medications dominate prescriptions across the U.S. \u2014 and these are the very names that appear again and again in exam questions, clinical case scenarios, and patient-counseling sections. This guide covers the Top 20 Most-Prescribed Drugs that every candidate must know \u2014 their classes, key uses, adverse effects, and counseling points. 1. Lisinopril (Prinivil, Zestril) Class: ACE inhibitorUse: Hypertension, heart failure, post-MIKey point: Can cause cough, hyperkalemia, angioedema \u2014 avoid in pregnancy. 2. Levothyroxine (Synthroid, Levoxyl) Class: Thyroid hormone replacementUse: HypothyroidismKey point: Take on an empty stomach, 30\u201360 min before breakfast; avoid calcium\/iron near dosing. 3. Atorvastatin (Lipitor) Class: HMG-CoA reductase inhibitorUse: Dyslipidemia, ASCVD preventionKey point: Monitor LFTs and muscle pain; take any time of day. 4. Metformin (Glucophage) Class: BiguanideUse: Type 2 diabetes mellitusKey point: First-line agent; GI upset common; contraindicated in severe renal impairment (eGFR &lt; 30). 5. Amlodipine (Norvasc) Class: Calcium channel blocker (dihydropyridine)Use: Hypertension, anginaKey point: May cause ankle edema, flushing, headache. 6. Metoprolol (Lopressor, Toprol XL) Class: Beta-1 blockerUse: Hypertension, angina, heart failure, post-MIKey point: Don\u2019t stop abruptly; watch for bradycardia and fatigue. 7. Albuterol (Ventolin HFA, ProAir HFA) Class: Short-acting \u03b2\u2082-agonistUse: Acute asthma\/COPD reliefKey point: Inhale 1\u20132 puffs PRN; tremor and tachycardia possible. 8. Omeprazole (Prilosec) Class: Proton-pump inhibitorUse: GERD, peptic ulcerKey point: Take before meals; long-term use \u2192 low Mg\u00b2\u207a, fractures, C. difficile risk. 9. Losartan (Cozaar) Class: ARBUse: Hypertension, diabetic nephropathyKey point: Hyperkalemia risk; avoid in pregnancy; alternative if ACE-induced cough. 10. Simvastatin (Zocor) Class: StatinUse: HyperlipidemiaKey point: Take at bedtime; avoid strong CYP3A4 inhibitors (clarithromycin, azoles, grapefruit). 11. Hydrocodone\/Acetaminophen (Norco, Vicodin) Class: Opioid analgesic combinationUse: Moderate\u2013severe painKey point: Risk of dependence, sedation; avoid other acetaminophen-containing products. 12. Hydrochlorothiazide (HCTZ, Microzide) Class: Thiazide diureticUse: Hypertension, edemaKey point: Causes hypokalemia, photosensitivity; monitor electrolytes. 13. Sertraline (Zoloft) Class: SSRI antidepressantUse: Depression, anxiety, OCDKey point: May cause insomnia, sexual dysfunction; taper slowly to avoid withdrawal. 14. Gabapentin (Neurontin) Class: Anticonvulsant\/neuropathic pain agentUse: Seizures, neuropathic painKey point: Causes dizziness and sedation; adjust dose in renal impairment. 15. Furosemide (Lasix) Class: Loop diureticUse: Edema, heart failureKey point: Potent diuresis; monitor potassium, volume status, ototoxicity. 16. Amoxicillin (Amoxil) Class: Penicillin antibioticUse: ENT, respiratory, urinary infectionsKey point: Complete full course; may cause diarrhea or rash. 17. Prednisone Class: CorticosteroidUse: Inflammatory and autoimmune disordersKey point: Take with food; taper after long-term use; can raise glucose and BP. 18. Montelukast (Singulair) Class: Leukotriene receptor antagonistUse: Asthma maintenance, allergic rhinitisKey point: Take once daily in evening; monitor for mood changes. 19. Clopidogrel (Plavix) Class: Antiplatelet (P2Y12 inhibitor)Use: Post-MI, stroke prevention, stent therapyKey point: Avoid PPIs like omeprazole; watch for bleeding\/bruising. 20. Insulin Glargine (Lantus, Basaglar) Class: Long-acting insulinUse: Type 1 &amp; 2 diabetesKey point: Inject once daily same time; monitor for hypoglycemia and injection-site reactions. 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