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Pharmacology
Question | Answer |
---|---|
P-450 INHIBITORS | Ketoconazole, Isoniazide, Sulfonamides, Cimetidine, Erythromycin, Grapefruit Juice |
Vd | =Drug Quantity / [Plasma] |
CL | =Elimination Rate/ [Plasma] |
Loading Dose | =Vd x Desired [Plasma](Cp) / Bioavailability (F) |
Gq Mediated Receptors | H1,a1,V1, M1,M3 (HAV 1 M&M). Phospholipase C-> IP3 & DAG ->PKC,Ca. General SM Contraction |
Gs Mediated Receptors | H2,V2, b1,b2,D1 (HaVe 2 BBs,Don) Adenylyl Cyclase->PKA. General Increase HR, SM relaxation |
Gi Mediated Receptors | M2, a2, D2 (MAD 2s) Inhibits Adenylyl cyclase. General reduce sympathetic, HR |
Alpha 1 | (q) Vasoconstriction |
Alpha 2 | (i) Reduce Sympathetic & Insulin release |
Beta 1 | (s) Increase CO & Renin & Lipolysis, Aqueous humor |
Beta 2 | (s) Vaso & Broncho Dilation, Increase CO & Lipolysis & Glucagon |
M1 | (q) Central & Enteric NS |
M2 | (i) Reduces CO |
M3 | (q)Increase Exocrine, Peristalsis, Bladder Contraction |
D1 | (s) Renal SM Relaxation |
D2 | (i) Modulates CNS transmission |
H1 | (q) Respiratory Secretion & Bronchiole constriction, Pruritus & Pain |
H2 | (s) Acid secretion |
V1 | (q) Vasoconstriction |
V2 | (s) Aquaporin Fusion |
Acetaminophen Toxicity | N-acetylcysteine |
Salicylates Toxicity | NaHCO3 (alkalinize urine) |
Amphetamines Toxicity | (basic) NH4Cl, acidifies urine |
Anticholinesterase & Organophosphate Toxicity | Atropine, pralidoxime |
Antimuscarinic, Anticholinergic Toxicity | Physostigmine salicylate |
Beta-Blocker Toxicity | Glucagon |
Digitalis Toxicity | Stop dig, normalize K, Anti-Dig AB, Mg |
Iron Toxicity | Deferoxamine |
Lead Toxicity | CaEDTA, Dimercaprol, Succimer, Penicillamine |
Arsenic, Mercury, Gold Toxicity | Dimercaprol, Succimer |
Copper, Arsenic, Gold Toxicity | Penicillamine |
Cyanide Toxicity | Nitrite, Hydroxycobalamin, Thiosulfate |
Methmoglobin Toxicity | Methylene Blue |
Carbon Monixide Toxicity | 100%/Hyperbaric O2 |
Methanol, Ethylene Glycol Toxicity | Ethanol, Dialysis, Fomepizole |
Opioids Toxicity | Naloxone, Naltrexone |
Benzodiazepines Toxicity | Flumazenil |
TCA’s Toxicity | NaHCO3 (Alkalinize serum) |
Heparin Toxicity | Protamine |
Warfarin Toxicity | Vitamin K, fresh frozen plasma |
tPA, Streptokinase Toxicity | Aminocaproic Acid |
Atropine-Like Effects | Tricyclics |
Coronary Vasospasm | Cocaine, Sumatriptan |
Cutaneous Flushing | Niacin, CCBs, Adenosine, Vancomycin |
Dilated Cardiomyopathy | Doxorubicin, Daunorubicin |
Torsades des Pointes | Soltalol (Class III), Quinidine (Class 1A), Cisapride |
Agranulocytosis | Clozapine, Carbamazepine, Colchicine, Propylthiouracil, Methimzaole |
Aplastic Anemia | Chloramphenicol, Benzene, NSAIDs, Propylthiouracil, Methimazole |
Direct Coombs + Hemolytic Anemia | Methyldopa |
Gray Baby Syndrome | Chloramphenicol |
Hemolysis in G6PD Deficient Patients | IS PAIN: Isoniazid/INH, Sulfonamides, Primaquine, Aspirin, Ibuprofen, Nitrofurantoin |
Pulomonary Fibrosis | Bleomycin, Busulfan, Amiodarone |
Acute Cholestatic Hepatitis | Macrolides |
Focal-Massive Hepatic necrosis | Halothane, Valproic acid, Acetaminophen |
Hepatitis | Isoniazid/INH |
Pseudomembranous Colitis | Clindamycin, Ampicillin |
Adrenocortical insufficiency | Glucocorticoid Withdrawal (HPA suppression) |
Gynecomastia | Sprionolactone, Digitalis, Cimetidine, Alcohol, Estrogens, Ketoconazole |
Hot Flashes | Tamoxifen, Clomiphene |
Gingival Hyperplasia | Phenytoin |
Gout | Furosemide, Thiazides |
Osteoporosis | Corticosteroids, Heparin |
Photosensitivity | Sulfonamides, Amiodarone, Tetracycline |
Drug-Induced Lupus | Hydralazine, INH, Procainamide, Phenytoin |
Interstitial Nephritis | Methicillin, NSAIDs |
Hemorrhagic Renal Cystitis | Cyclophosphamide, Isofosfamide |
Cinchonism | Quinidine, Quinine |
Diabetes Insipidus | Lithium, Demeclocycline |
Seizures | Bupropion, Imipenem/Cilastin |
Disulfram-like Rx | Metronidazole, Cephalosporins, Procarbazine, First-Gen Sulfonylureas |
Neprhotoxic/Neurotoxic | Polymyxins |
Nephrotoxic/Ototoxic | Aminoglycosides, Loop Diuretics, Cisplatin |
P-450 Inducers | Quinidine, Barbituates, Phenytoin, Rifampin, Griseofulvin, Carbamazepine, St. John’s wort |
P-450 Inhibitors | Isoniazid, Sulfonylureas, Cimetidine, Ketoconazole, Erythromycin, Grapefruit Juice. |
Sulfa Drugs | Celecoxib, Furosemide, Thiazides, TMP-SMX, Sulfonylureas, Sulfasalazine |