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79 Cards in this Set

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  • Back
Omalizumab mechanism of action?
Anti-IgE monoclonal antibody.
Omalizumab uses?
Severe asthma.
Diphenhydramine mechanism of action?
First generation H1 antagonist. Prevents G(q) activation.
Diphenhydramine uses?
Allergies, motion sickness, sleep aid, nausea/vomiting. Acute extrapyramidal symptoms of antipsychotics, Parkinson's disease.
Diphenhydramine side effects?
Sedation, antimuscarinic effects (increase AV node conduction, drowsiness, constipation, dilated pupils, bronchodilation), anti-alpha-adrenergic effects (hypotension).
Meclizine mechanism of action?
First generation H1 antagonist. Prevents G(q) activation.
Meclizine uses?
Motion sickness.
Meclizine side effects?
Sedation, antimuscarinic effects (increase AV node conduction, drowsiness, constipation, dilated pupils, bronchodilation), anti-alpha-adrenergic effects (hypotension).
Promethazine mechanism of action?
First generation H1 antagonist. Prevents G(q) activation.
Promethazine uses?
Allergies, motion sickness, sleep aid, nausea/vomiting.
Promethazine side effects?
Sedation, antimuscarinic effects (increase AV node conduction, drowsiness, constipation, dilated pupils, bronchodilation), anti-alpha-adrenergic effects (hypotension).
Dimenhydrinate mechanism of action?
First generation H1 antagonist. Prevents G(q) activation.
Dimenhydrinate uses?
Allergies, motion sickness, sleep aid, nausea/vomiting.
Dimenhydrinate side effects?
Sedation, antimuscarinic effects (increase AV node conduction, drowsiness, constipation, dilated pupils, bronchodilation), anti-alpha-adrenergic effects (hypotension).
Chlorpheniramine mechanism of action?
First generation H1 antagonist. Prevents G(q) activation.
Chlorpheniramine uses?
Allergies, motion sickness, sleep aid, nausea/vomiting.
Chlorpheniramine side effects?
Sedation, antimuscarinic effects (increase AV node conduction, drowsiness, constipation, dilated pupils, bronchodilation), anti-alpha-adrenergic effects (hypotension).
Loratidine mechanism of action?
Second generation H1 antagonist. Prevents G(q) activation.
Loratidine uses?
Allergies.
Loratidine side effects?
Far less sedating than first generation H1 antagonists because of decreased CNS penetration. Do not cross BBB and don't have anti-muscarinic effects.
Fexofenadine mechanism of action?
Second generation H1 antagonist. Prevents G(q) activation.
Fexofenadine uses?
Allergies.
Fexofenadine side effects?
Far less sedating than first generation H1 antagonists because of decreased CNS penetration. Do not cross BBB and don't have anti-muscarinic effects.
Deslortadine mechanism of action?
Second generation H1 antagonist. Prevents G(q) activation.
Deslortadine uses?
Allergies.
Deslortadine side effects?
Far less sedating than first generation H1 antagonists because of decreased CNS penetration. Do not cross BBB and don't have anti-muscarinic effects.
Cetirizine mechanism of action?
Second generation H1 antagonist. Prevents G(q) activation.
Cetirizine uses?
Allergies.
Cetirizine side effects?
Far less sedating than first generation H1 antagonists because of decreased CNS penetration. Do not cross BBB and don't have anti-muscarinic effects.
Isoproterenol mechanism of action?
Nonspecific beta adrenergic agonist.
Isoproterenol uses?
Relaxes bronchial smooth muscle (beta 2).
Isoproterenol side effects?
Tachycardia (beta 1).
Albuterol mechanism of action?
Beta 2 adrenergic agonist.
Albuterol uses?
Acute asthma.
Salmeterol mechanism of action?
Beta 2 adrenergic agonist.
Salmeterol uses?
Long-acting agent for asthma prophylaxis.
Salmeterol side effects?
Tremor, arrhythmia.
Aminophylline mechanism of action?
Inhibits phosphodiesterase thus increasing cAMP. Adenosine antagonist.
Aminophylline uses?
IV form used for termination of status asthmaticus (due to beta desensitization).
Aminophylline side effects?
Narrow therapeutic index (metabolized by liver). Cardiotoxic (tachycardia, arrhythmias) and neurotoxic.
Theophylline mechanism of action?
Inhibits phosphodiesterase thus increasing cAMP. Adenosine antagonist.
Theophylline uses?
Bronchodilator; used for asthma and COPD.
Theophylline side effects?
Narrow therapeutic index (metabolized by liver). Cardiotoxic (tachycardia, arrhythmias) and neurotoxic.
Ipratropium mechanism of action?
Competitive muscarinic antagonist.
Ipratropium uses?
Prevents bronchoconstriciton; used for asthma and COPD. DRUG OF CHOICE IF YOU ARE ON BETA BLOCKERS.**
Cromolyn, nedocromil mechanism of action?
Prevents release of mediators from mast cells (decrease histamine release).
Cromolyn, nedocromil uses?
Prophylaxis against asthma. Not effective for an acute asthmatic attack. Generally used for seasonal allergies, Hay fever because they are OTC.
Cromolyn, nedocromil side effects?
Toxicity is rare; throat irritation and cough (triggers asthma attack relieved in beta 2 agonist).
Beclomethasone mechanism of action?
Inhibit synthesis of all cytokines. Inactivates NF-kappa B, the transcription factor that induces production of TNF-alpha.
Beclomethasone uses?
First line for chronic asthma.
Prednisone mechanism of action?
Inhibit synthesis of all cytokines. Inactivates NF-kappa B, the transcription factor that induces production of TNF-alpha.
Prednisone uses?
First line for chronic asthma.
Zileuton mechanism of action?
5-lipoxygenase pathway inhibitor. Blocks conversion of arachidonic acid to leukotrienes.
Zileuton uses?
Asthma, COPD.
Zileuton side effects?
Monitor liver function.
Zafirlukast, montelukast mechanism of action?
Leukotriene antagonist.
Zafirlukast, montelukast uses?
Especially good for aspirin-induced asthma.
Zafirlukast, montelukast side effects?
Immunosuppression via decreased neutrophil chemotaxis (LTB4). Associated with Churg-Strauss syndrome.
Guaifenesin mechanism of action?
Expectorant.
Guaifenesin uses?
Removes excess suptum. Does not supress cough reflex.
Guaifenesin side effects?
0
N-acetylcysteine mechanism of action?
Mucolytic.
N-acetylcysteine uses?
Loosens mucous plugs in cystic fibrosis patients. Also used as an antidote for acetaminophen overdose.
N-acetylcysteine side effects?
0
Bosentan mechanism of action?
Competitively antagonizes endothelin-1 receptors, decreasing pulmonary vascular resistance.
Bosentan uses?
Pulmonary hypertension (drug of choice).
Bosentan side effects?
0
Dextromethorphan mechanism of action?
Antagonizes NMDA glutamate receptors; codeine analog.
Dextromethorphan uses?
Antitussive.
Dextromethorphan side effects?
Treat overdose with naloxone.
Pseudoephedrine, phenylephrine mechanism of action?
Alpha adrenergic antagonist.
Pseudoephedrine, phenylephrine uses?
Nonprescription nasal decongestants. Reduces hyperemia, edema, nasal congestion; opens obstructed Eustachian tubes.
Pseudoephedrine, phenylephrine side effects?
Hypertension. Can also cause CNS stimulation/anxiety.
Metacholine mechanism of action?
Muscarinic receptor agonist.
Metacholine uses?
Used in asthma challenge testing (diagnosis).
Epoprostenol mechanism of action?
Prostacyclin analog (PGI2).
Epoprostenol uses?
Pulmonary hypertension.
Sildenafil mechanism of action?
Inhibits phosphodiesterase type V; increases cGMP. Dilates pulmonary arteries.
Sildenafil uses?
Pulmonary hypertension.