Autocoids Flashcards
Examples of 1st Generation H1 receptor antagonist
Diphenhydramine Chlorpheniramine Cyclizine Meclizine Promethazine
Examples of 2nd generation H1 receptor antagonist
Cetirizine Loratadine Fexofenadine Desloratadine Terfenadine Astemizole
Note: no autonomic or anti-motion sickness effect unlike the 1st generation anti-histamine
What is the drug interaction between azoles/erythromycin and terfenadine/astemizole
fatal arrythmia
Examples of H2 receptor antagonist which is used in the reduction of gastric acid secretion?
Cimetidine
Ranitidine
Famotidine
Nizatidine
What H2 receptor antagonist that can cause gynecomastia?
Cimetidine
What is the drug of choice for acute migraine?
Sumatriptan, almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, zolmitriptan
What is the mechanism of action of sumatriptan?
Inhibits 5-HT1D/1B in the braindrugs
What is a 5HT2 receptor antagonist that is used in the treatment of migraine and cluster headache?
Ergotamine, Dihydroergotamine, Methysergide
What is a 5HT2 receptor antagonist that can cause retroperitoneal fibrosis?
Methysergide
What is a 5HT2 receptor antagonist that is used in postpartum bleeding?
Ergonovine, Methylergonovine
What is a prostaglandin E1 analog that is used in the treatment of peptic ulcer disease and NSAID induced gastric mucosal injury?
Misoprostol
Gemeprost
What is the teratogenic effect of Misoprostol?
Mobius sequence
What is a prostaglandin E1 analog used in the maintenance of patent ductus arteriosus and used in treating erectile dysfunction?
Alprastodil
MOA: activates EP receptors causing vascular smooth muscle relaxation and vasodilation
What is the side effect of the prostaglandin E1 analog used in the maintenance of patent ductus arteriosus?
Priapism
What is a Prostaglandin F2alpha analog used in controlling postpartum hemorrhage
CARBAPROST
Bimatoprost
Travoprost
Unoprostone
What is a prostaglandin E2 receptor analog used in cervical ripening for induction of labor
DINOPROSTONE
Sulprostone
What is a prostaglanding I1 analog used in the treatment of pulmonary hypertension and reduces platelet aggregation in dialysis machines
ENOPROSTENOL
Beraprost
Iloprost
Treprostinil
What is a prostaglandin F2alpha analog used in the treatment of glaucoma (increases outflow of aqueous humor and reduces intraocular pressure)?
LATANOPROST
Bimatoprost
Travoprost
Unoprostone
What are examples of short-acting beta2-selective receptor agonist used in the treatment of asthma?
ALBUTEROL/SALBUTAMOL Levalbuterol TERBUTALINE Metaproterenol Pirbuterol Procaterol Fenoterol
What are examples of long-acting beta2-selective receptor agonist?
Salmeterol
Formoterol
Celeneterol
Bambuterol
What is a muscarinic receptor antagonist use d in the treatment of asthma by prevetning vagal-stimulated vagoconstriction?
Ipratropium, Tiotropium
What drugs are phosphodiesterase inhibitors and adenosine receptor antagonists used in the treatment of asthma?
Theophylline (Narrow therapeutic window)
Aminophylline
Pentoxifylline
Examples of mast cell stabilizers used in the treatment of asthma
Cromolyn
Nedocromil
Lodoxamide
What is the drug of choice for asthma anaphylaxis?
Fluticasone
Similar drugs: Beclomethasone, Budesonide, Ciclesonide, Flunisolide, Mometasone, Triamcinolone
What is the mechanism of action of steroids in treating asthma?
Phospholipase A2 inhibitor
What is the side effect of fluticasone?
Oropharyngeal candidiasis
what is the treatment for severe refractory asthma (status asthmaticus)
IV hydrocortisone
What is the steroid that has the lowest systemic steroid toxicity?
Ciclesonide
What is a leukotriene synthesis inhibitor which acts by inhibiting 5-lipooxygenase and which is used as asthma prophylaxis and in the treatment of exercise, antigen, and aspirin-induced bronchospasm?
Zileuton
Examples of leukotriene antagonist which acts by blocking cysteinyl leukotriene-1 receptor for Leukotrienes C4, D4 and E4
Monteleukast, Zafirlukast, Pranlukast
What is a rare side effect of leukotriene antagonists?
Churg-Strauss Syndrome
allergic angiits and granulomatous invovlement in the lung, associated with eosinophilia
What is a drug that acts as an anti-IgE antibody?
Omalizumab