Ear, nose drugs Flashcards
First generation antihistamines
Diphenhydramine (Benadryl), Brompheniramine (Dimetane), Chlorpheniramine (ChloroTrimeton), Promethazine (Phenergan), many times daily
Second generation antihistamines
Loratadine (Claritin), Fexofenadine (Allegra), Cetirizine (Zyrtec), Desloratadine (Clarinex), Levocetirizine (Xyzal), once daily
Combo products
Loratadine/Pseudoephedrine (Claritin-D), Fexofenadine/pseudoephedrine (Allegra-D), MANY
Antihistamine MOA
blocks histamine receptor to suppress itching, sneezing, rhinorrhea, and ocular symptoms
Antihistamine ADR
Sedation, anticholinergic side effects, cog dysfunction
Pearls for antihistamines
best for prevention of sx, start routine admin in March, don’t wait for symptoms, take additional if mowing, use combo products, very safe for long term use, caution with alzheimer’s, BPH and glaucoma
Which antihistamines are good for peds
Zyrtec and claritin, not so much with benadryl
Azelastine (Astelin)
nasal spray antihistamine, helps with ocular sx, can cause drowsiness, nasal irritation, $$$
Dymista
Azelastine+fluticasone, nasal antihistamine combo, $$$$$$
Decongestants
Pseudoephedrine (Sudafed), Phenylephrine (Sudafed PE tablets and Neo-synephrine Nasal spray), Oxymetazoline (afrin, nasal), Sodium chloride (Ocean spray, increases humidity)
Decongestant use and ADR
focus in nasal congestion, insomnia, tachy, HTN (in uncontrolled); overall safe but shouldn’t be used long term
Nasal corticosteroids
Budesonide (Rhinocort), Flunisolide (Nasarel), Fluticasone (Flonase and Veramyst), Mometasone (Nasonex), Triamcinolone (Nasacort)
Nasal corticosteroids Pearls
not for short term use, does not have immediate results, not first line, usually combo, can cause oral thrush, nasal irritation, sore throat, sneezing
Anticholinergics
Ipratropium (atrovent), spray decreases rhinorrhea, best for non allergic rhinitis, limited use
Montelukast (Singulair)
leukotriene receptor blocker, ideal pt w/ asthma, once daily, approved for children, never first line, safe but efficacy?