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UWorld for NCLEX Pharmacology-A comprehensive study guide-2024-2025.docx
Typology: Exams
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Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs
*All antibiotics have GI effects Aminoglycosides -micin i.e. gentamicin -mycin i.e. vancomycin, neomycin Side effects:
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Macrolides (^) -thromycin i.e. azithromycin, erythromycin -GI effects -pseudomembranous colitis (c. diff colitis) -superinfections
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs -causes a prolonged QT interval, which may lead to sudden cardiac death due to torsades de pointes Penicillins (^) -cillin i.e. amoxicillin, carbenicillin, ampicillin -hypersensitivity reactions, including anaphylaxis -related to cephalosporins -GI effects Sulfonamides Sulfa- i.e. sulfadiazine, sulfasalazine
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs CARDIOVASCULAR MEDICATIONS Anticoagulants (^) Oral: Warfarin, Dabigatran, Rivaroxaban Parenteral: Dalteparin, Heparin, Enoxaparin, Desirudin, Fondaparinux, Tinzaparin, Argatroban Prevent clot formation by inhibiting factors in clotting cascade and decreasing blood coagulability i.e. in MI, mechanical heart valves, DVT, atrial fibrillation, unstable angina Side effects: Hemorrhage Hematuria Thrombocytopenia Hypotension -contraindicated in clients taking NSAIDs, gingko and ginseng, corticosteroids, vit K containing foods (have this in moderation; no sudden increase or decrease) -contraindicated with active bleeding -Heparin-Induced Thrombocytopenia can be ironic in that it can cause stroke and embolism Thrombolytic medications -teplase i.e. alteplase, reteplase, tenecteplase Activates plasminogen which digests plasmin and dissolves clots in cases of MI, DVT, occluded shunts and pulmonary emboli Bleeding Dysrhythmias Allergic reactions -Contraindicated in active bleeding, history of hemorrhagic brain attack (stroke), intracranial or intraspinal surgery within the last 2 months, uncontrolled HTN -Apply direct pressure over a puncture site for 20 to 30 minutes -Used only for acute, life-threatening conditions Antidote: Aminocaproic acid Antiplatelet medications Aspirin, clopidogrel, cilostazol, dypiridamole, ticlopidine Inhibit aggregation of platelets in clotting process, thereby prolonging bleeding time GI bleeding Bruising Hematuria Tarry stools -may be used with anticoagulants -used in prophylaxis of long-term complications following MI, CAD, stents, and strokes Positive inotropes/cardiotonic medications Dobutamine Dopamine Imanrinone Milrinone Stimulate myocardial contractility and produce a positive inotropic effect for heart failure
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Cardiac glycosides Digoxin Stimulates myocardial contractility by inhibition of sodium-potassium pump
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs -keep in a dark tightly closed bottle; cannot be mixed with other drugs Beta blockers -lol i.e. metroprolol, bisoprolol Block release of cathecholamines thus decreasing HR and BP Bradycardia Bronchospasm Hypotension Dizziness
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Corneal deposits Bluish skin discoloration Poor coordination DIURETICS *All diuretics are contraindicated in clients taking lithium! Hyponatremia can induce lithium toxicity *ALL diuretics can induce Digoxin toxicity except potassium-sparing diuretics i.e. spironolactone! Thiazide diuretics -thiazide i.e. Chlorothiazide, cholorthalidone, hydrochlorothiazide, indapamide, metolazone Increase sodium and water excretion by inhibiting sodium reabsorption in kidneys Hypokalemia, hyponatremia Hypovolemia Hypotension Photosensitivity
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Osmotic diuretics Mannitol Increases osmotic pressure of the GFR, inhibiting reabsorption of water and electrolytes -used with chemo to induce diuresis Fluid and electrolyte imbalances Pulmonary edema Tachycardia from the rapid fluid loss Hyponatremia and dehydration -can be used to decrease ICP DIABETIC DRUGS **Watch for hypoglycemia during peaks! INSULIN NPH Basal long acting Onset: 6 h Peak: 8-10 h Duration: 12 h Cloudy suspension; precipitates and therefore cannot be given IV (can overdose client) “N for not so fast and not in the bag”
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs ORAL HYPOGLYCEMIC AGENTS Biguanides Metformin Supresses hepatic Diarrhea (^) -DO NOT TAKE same day of iodine contrast procedures i.e. cardiac catheterization (can induce lactic acidosis) Discontinue 24-48 hours prior to test production of glucose and Lactic acidosis increases insulin sensitivity GI disturbances Metallic taste in mouth Hypoglycemia Sulfonylureas Chlorpropamide Gli( )ide i.e. glimepiride, glipizide, glyburide Stimulate the beta cells to produce more insulin Hypersensitivity reaction Weight gain GI disturbances Hypoglycemia -Cross reaction with sulfa antibiotics (sulfonamides); if client has allergic reaction to either one, DISCONTINUE Tol( )ide i.e. tolazamide, tolbutamide Meglitinides -linide i.e. nateglinide, repaglinide Stimulate beta cells to produce more insulin -short duration of action; less chance of blood glucose-lowering effects Hypoglycemia GI disturbances Very fast onset of action allows client to take medication with meals and skip medication when a meal is skipped Gliptins (DPP-4 -gliptins i.e. sitagliptin, Block the action of DPP-4, Flulike symptoms inhibitors) saxagliptin which destroys the (runny nose, headache, hormone incretin (incretin nausea, stomach pain) help body produce more Rash insulin when needed; GI problems inhibition causes more insulin to be produced) Thiazolidinediones -glitazone i.e. ciglitazone, darglitazone, englitazone Insulin-sensitizing agents that lower blood glucose by decreasing hepatic glucose production and improving target cell response to insulin Hepatotoxicity Increased bone fractures Increased LDLs -Monitor for elevated ALTs and ASTs
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs 1
*All psych drugs have indications for WEIGHT GAIN and HYPOTENSION *Always taper medications down and never stop dosing abruptly Serotonin Reuptake Inhibitors (SSRIs) Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs) -lopram i.e. citalopram Sertraline Fluoxetine Fluvoxamine Venlafaxine Duloxetine Antidepressants that work through inhibition of serotonin reuptake Contraindications : St. John’s Wort, MAOIs Side effects: Anticholinergic- dry mouth Blurred vision Constipation Drowsiness *Insomnia Toxic effects: Agranulocytosis Priapism -Monitor client for increased risk of suicidality esp. during improved mood and increased energy levels, and changes in doses -Instruct to change positions slowly to avoid ortho hypotension -Be aware of potential for Serotonin Syndrome Signs and symptoms include: Mental status changes (Anxiety, agitation, restlessness) and autonomic/neuromuscular hyperactivity (fever, muscle rigidity, shivering, diaphoresis, tachycardia, HTN, tremors) Risk greatly elevated with concurrent use of MAOIs -Can cause insomnia; do not administer at bedtime Monoamine Oxidase Inhibitors (MAOIs)
Phenelzine Isocarboxacid Tranylcypramine Selegiline Inhibits metabolism of amines, NE, and serotonin thus improving mood and preventing depression
With SSRIs: Serotonin Syndrome With TCAs: hypertensive crisis Antidote for hypertensive crisis : phentolamine IV -given at the last resort when no other antidepressant therapies are effective -TYRAMINE- CONTAINING FOODS may cause hypertensive crisis; avoid BAR (bananas, avocadoes and raisins or dried fruit), organ meats and processed meats, and aged cheeses
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Tricyclic Antidepressants (TCAs) -triptyline i.e. amitriptyline, nortriptyline -pramine i.e. desipramine, imipramine Antidepressants which block NE and serotonin reuptake Side effects: Anticholinergic Blurred vision Constipation Drowsiness *Sedation Urinary retention -Concurrent use with MAOIs can lead to hypertensive crisis
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Zolpidem Zaleplon -avoid driving or operating hazardous equipment if drowsiness, dizziness or unsteadiness occurs Antipsychotics (^) Typical: (older-think EPS as main side effect) Haloperidol Loxapine Chlorpromazine Atypical: Olanzapine Quetiapine Risperidone ** Aripri prazole (not a proton pump inhibitor) Reduces psychotic symptoms Typical antipsychotics are better indicated for positive symptoms (t like +) i.e. delusions, hallucinations, illusions Atypical better for negative symptoms i.e. anhedonia, catatonia Side effects: Anticholinergic Blurred Vision Constipation Drowsiness *EPS- Typical i.e. parkinsonism, dystonia, rigidity, tremors Haldol- Torsades de pointes (can be fatal as it can lead to V. fib or pulseless V. tach) -Administer with food or milk to decrease gastric irritation -protect liquid concentration from light -inform that some meds may cause a harmless change in urine color to pinkish to red-brown ** Neuroleptic Malignant Syndrome (Haldol is most commonly tested)- characterized by altered mental status (lethargy, decreased LOC), muscle rigidity , hyperthermia (>40 C), tachycardia, HTN, tachypnea Treated by: supportive measures i.e. control temp ( dantrolene ), control agitation by benzodiazepines , and add dopamine agonist ( bromocriptine ) antipsychotic decrease dopamine levels
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs RESPIRATORY MEDICATIONS *For any respiratory medication, think sympathetic effects! Bronchodilators (beta 2 agonists) -ol i.e. albuterol, formoterol, salmeterol Terbutaline (also a tocolytic drug) Relax smooth muscle of bronchi and dilate airways; promotes sympathetic response Side effects: Palpitations and tachycardia Hypertension Dysrhythmias Restlessness, anxiety, tremors Hyperglycemia -assess vitals and lung sounds -given as rescue drug along with ipratropium (only drugs used for acute asthma exacerbations) Methylxanthines -phylline i.e. Theophylline Aminophylline Stimulate CNS and respiration, dilate coronary and pulmonary vessels, cause diuresis and relax smooth muscle
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs prednisone, fluticasone -ide i.e. ciclesonide, flunisolide -Not used for acute exacerbations
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs of antagonist- re-administer if needed Tuberculosis Agents Isoniazid Rifampin Ethambutol Pyrazinamide Rifabutin Rifapentine Treats active tb; treatment goes for 6-9 months for otherwise healthy clients (immunosuppressed clients can go for as long as 9- months) Isoniazid treatment can be used for latent tb Hepatotoxicity Ototoxicity Neurotoxicity (numbness and tingling) Dry mouth Dizziness R ed secretions ( r ifampin) -after 2-3 weeks of treatment, risk of transmission is greatly reduced -when one med is discontinued abruptly, resistance can occur ( MDR-TB ) -decrease efficacy of oral contraceptives ; other means of birth control must be used -Take pyridoxine (vit B6) to prevent neuropathy Other commonly tested drugs Folate antimetabolite, antineoplastic, immunosuppressant drugs Methotrexate -treats malignancies, Rheumatoid Arthritis and psoriasis -CONTRAINDICATED in pregnancy unless abortion is warranted i.e. ectopic pregnancy Bone marrow suppression Immunosuppression Hepatotoxicity Photosensitivity -Clients should be instructed to get vaccinated with inactivated vaccines, avoid crowds and persons with known infections (as though they are being treated with chemo- antineoplastic drug) -Avoid alcohol as it is HEPATOTOXIC Anticonvulsants Phenytoin (^) Used to treat tonic-clonic seizures Therapeutic range is 10- mcg/mL Anything >20 is toxic -Good oral hygiene can limit symptoms of gingival hyperplasia Main side effect: Gingival hyperplasia Toxic effects: Gait unsteadiness/Ataxia Horizontal nystagmus CNS effects
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs NSAIDs Ibuprofen Naproxen Indomethacin Indicated for pain i.e. joint and inflammation Tarry stools (due to GI bleeding ) Nephrotoxicity Hypertension ( sodium retention ) Fluid overload Contraindicated in CHF due to sodium retention and associated HTN -Contraindicated in clients taking Lithium (again due to associated sodium retention) -Take with food to prevent GI upset
Respiratory drugs (in that order) plus other main drugs. i.e. proton pump inhibitors, dilantin, NSAIDs Urinary retention (contraindicated in BPH) EXTRA TIPS: Do not administer anything sedative i.e. opioids, benzodiazepines, barbiturates to clients with increased ICP as it can mask somnolence and decreasing LOC Always monitor blood pressure in vasodilating medications prior to administration i.e. ACE inhibitors, nitrates Neuroleptic Malignant Syndrome and Malignant Hyperthermia are similar in terms of symptoms! i.e. muscle rigidity, hyperthermia, mental status changes, tachycardia, tachypnea—difference lies in causes Neuroleptic Malignant Syndrome Malignant Hyperthermia Causes: Antipsychotics and low dose phenothiazines used as antiemetics i.e. Haldol, chlorpromazine Treated by: dantrolene for hyperthermia, benzodiazepines for anxiety and agitation, and dopamine agonist bromocriptine Causes: inhaled anesthetics ie. Halothane, muscle relaxant i.e. succinylcholine Treated by: dantrolene for hyperthermia, benzodiazepines for anxiety and agitation, NO bromocriptine