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?
Immunotherapy for nose
sub-cutaneous injections of antigens weekly with slow transition with increased dose, reserved for pt that do not respond
Pathogens of acute otitis externa
pseuromonas aeruginosa, staph aureus
approaches to treating AOE
acidifying agents (acetic, boric acid), astringents (aluminum acetate), analgesic/anesthetic (antiprene/benzocaine), anti-inflammatory (hydrocortisone, dexamethasone), antibiotics
Antibacterials used for mild to moderate infection
neomycin/colistin/hydrocortisone (Coly-Mycin Otic), Neomycin/polymixin B/hydrocortisone (Cortisporin Otic)
antibacterials for Severe infections
Ofloxacin (Floxin), Ciprofloxacin/hydrocortisone (cipro HC otic), Ciprofloxacin/dexamethasone (ciprodex otic)
Antipyrene/Benzocaine (AB otic, AUrodex)
for ear pain and swelling, 3-4 drops every few hours, safe, onset 30 mins, cheap
Acetic acid (VoSol HC Otic, Vosol Otic)
use limited, helps inhibit bacterial growth
Acetic acid/aluminum acetate (Domeboro)
good if pt has breakdown of ear canal
Ear Hygiene option
Swim ear-Isopropyl alcohol, anhydrous glycerin, efficacy?, Dri ear- boric acid, isopropyl alcohol; Debrox- carbamide peroxide, glycerin, propylene glycol (helps w/ear wax); 50/50 H2O2/H2O