USMLE (Fach) / Pharmacology - Toxicities and side effects (Lektion)
In dieser Lektion befinden sich 68 Karteikarten
USMLE First Aid
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- Specific toxicity treatments - AChE inhibitors, organophosphates ... Atropine > pralidoxime
- Specific toxicity treatments - Antimuscarinic, anticholinergic ... Physostigmine, control hyperthermia
- Specific toxicity treatments - β-blockers Atropine, glucagon
- Copper Penicillamine, trientine
- Cyanide Nitrate + thiosulfate, hydroxocobalamin
- Iron poisoning Clinical features:- Initially hemorrhagic gastroenteritis, shock symptoms- In case patient survives: symptom-free interval afer 6 hours- Causes dark-colored stools- 1-2 days later: Risk of renal and liver ...
- Lead poisoning Sources of exposure:- Battery manufacturing, metallurgy, corrosion inhibition- Gun range- Tableware containing lead Risk factors:- Home built before 1978- Pica or mouthing behaviors (eg, infants, developmental ...
- Mercury Dimercaprol, succimer
- Methanol, ethylene glycol (antifreeze) Fomepizole > ethanol, dialysis Methanol ingestion:- Visual blurring, central scotomata- Afferent pupillary defect- Altered mentation- High osmolar gap, increased anion gap metabolic acidosis Ethylene ...
- Methemoglobin Methylene blue, vitamine C (reducing agent)
- Specific toxicity treatments - Salicylates NaHCO3 (alkalinize urine), dialysis
- Specific toxicity treatments - TCAs NaHCO3 (stabilizes cardiac cell membrane)
- Coronary vasospasm - Cocaine- Amphetamines- Sumatriptan- Ergot alkaloids
- Cutaneous flushing - Nitrates- Vancomycin- Adenosine- Niacin- Ca2+ channel blockers- Echinocandins Red man syndrome – rate-dependent infusion reaction to vancomycin causing widespread pruritic erythema. Manage with diphenhydramine, ...
- Dilated cardiomyopathy - Anthracyclins (eg, doxorubicin, daunorubicin) - Prevent with dexrazoxane
- Torsades de pointes Agents that prolong QT interval:- Antiarrhythmics class Ia, III- Antibiotics (eg, macrolides)- Antipsychotics (eg, haloperidol)- Antidepressants (eg, TCAs)- Antiemetics (eg, ondansetron)
- Diabetes insipidus - Lithium- Demeclocycline (semisynthetic tetracycline derivative)
- Hyperglycemia - Tacrolimus- Protease inhibitors- Niacin- HCTZ- Corticosteroids
- Hyperthyroidism - Lithium- Amiodarone
- Hypothyroidism - Lithium- Amiodarone- Sulfonamides
- SIADH - Carbamazepine- Cyclophosphamie- SSRIs
- Acute cholestatic hepatitis, jaundice - Macrolides (eg, erythromycin)
- Diarrhea - Acamprosate (to treat alcohol dependence)- Antidiabetic agents (acarbose, metformin, pramlintide)- Colchicine- Cholinesterase inhibitors - Lipid-lowering agents (eg, ezetimibe, orlistat)- Macrolides ...
- Focal to massive hepatic necrosis - Acetaminophen- Valproic acid- Halothane- Amanita phalloides (death cap mushroom)
- Hepatitis - Rifampin- Isoniazid- Pyrazinamide- Statins- Fibrates
- Pancreatitis - Didanosine (NRTI)- Corticosteroids- Alcohol- Valproic acid- Azathioprine- Diuretics (furosemide, HCTZ)
- Pill-induced esophagitis - Bisphosphonates- Ferrous sulfate- NSAIDs- Potassium chloride- Tetracyclines
- Pseudomembranous colitis - Ampicillin- Cephalosporins- Clindamycin- Fluoroquinolones
- Agranulocytosis - Clozapine- Carbamazepine- Propylthiouracil- Methimazole- Colchicine- Ganciclovir
- Aplastic anemia - Carbamazepine- Methimazole- Propylthiouracil- NSAIDs- Benzene- Chloramphenicol
- Direct Coombs-positive hemolytic anemia - Penicillin- Methyldopa- Cephalosporins
- Drug reaction with eosinophilia and systemic symptoms ... - Allopurinol- Anticonvulsants- Antibiotics- Sulfa drugs DRESS is a potentially fatal delayed hypersensitivity reaction. Latency period (2-8 weeks) followed by fever, morbilliform skin rash, and frequent ...
- Hemolysis in G6PD deficiency - Isoniazid- Sulfonamides- Dapsone- Primaquine- Aspirin- Ibuprofen- Nitrofurantoin
- Megaloblastic anemia - Hydroxyurea- Phenytoin- Methotrexate- Sulfa drugs
- Thrombocytopenia - Heparin- Vancomycin- Linezolid
- Thrombotic complications - Combined oral contraceptives- Hormone replacement therapy- SERMs (eg, tamoxifen, raloxifene, clomiphene)
- Drug-induced lupus - Phenytoin- Hydralazine- α-methyldopa- Isoniazid- Sulfa drugs- Procainamide- Etanercept
- Fat redistribution - Protease inhibitors- Glucocorticoids
- Gingival hyperplasia - Cyclosporine- Phenytoin- Ca2+ channel blockers
- Hyperuricemia (gout) - Pyrazinamide- Thiazides- Furosemide- Niacin- Cyclosporine
- Myopathy - Statins- Fibrates- Niacin- Colchicine- Daptomycin- Hydroxychloroquine- Interferon-α- Penicillamine- Glucocorticoids
- Osteoporosis - Corticosteroids- Depot medroxyprogesterone acetate- GnRH agonists- Aromatase inhibitors- Anticonvulsants- Heparin- PPIs
- Rash (Stevens-Johnson syndrome) - Anti-epileptic drugs (especially lamotrigine)- Allopurinol- Sulfa drugs- Penicillin
- Teeth discoloration Tetracyclines
- Cinchonism Quinidine, quinine - Can present with tinnitus, hearing/vision loss, psychosis, and cognitive impairment
- Parkinson-like syndrome - Antipsychotics- Metoclopramide- Reserpine (VMAT inhibitor)
- Peripheral neuropathy - Phenytoin - Vincristine
- Pseudotumor cerebri - Vitamin A- Tetracyclines- Growth hormones
- Seizures - Buproprion- Isoniazid (vitamin B6 deficiency)- Imipenem/cilastatin- Tramadol- Enflurane
- Visual disturbance - Topiramate (blurred vision/diplopia, haloes)- Digoxin (yellow-tinged vision)- Isoniazid (optic neuropathy/color vision changes)- Vigabatrin (bilateral visual field defects)- PDE-5 inhibitors (blue-tinged ...