ENT Pharmacology Flashcards
Viral Infection Therapy
Symptomatic Analgesics Saline irrigation Topical steroids Topical decongestants Oral Decongestants
Common Bacteria that Cause Sinusitis
Strep pneumo H. flu Pseudomonas Staph aureus M. cat Anaerobic bacteria
Antibiotics for Acute Sinusitis
Amoxicillin Augmentin Doxycycline Clarithromycin Zithromax Levofloxacin Bactrim
Warnings for using Amoxicillin
Monitor blood, renal and hepatic function for long term use
Adverse Reactions for Amoxicillin
GI upset Hypersensitivity reactions (urticaria, rash, SJS, yeast infections)
Which antibiotic is first line for acute sinusitis?
Amoxicillin
What antibiotic is best for penicillin allergy in acute sinusitis?
Augmentin
Contraindications for Augmentin
Severe renal impairment
Adverse Reactions for Augmentin
Diarrhea Nausea Abdominal pain Rash Urticaria Vomiting Vaginitis Anaphylaxis
Augmentin Pregnancy Class
Class B
Warnings for Doxycycline
Hepatotoxicity Hypersensitivity Photosensitivity Tissue Hyperpigmentations Peds: tooth enamel hypoplasia or permanemtn tooth discoloration
Can you use doxycycline during pregnancy and why?
No- reduced bone growth
Special Alerts for Azithromycin
Elderly
QT prolongation
Electrolyte disturbances
Adverse Reactions for Aithromycin
Diarrhea Abdominal pain Anorexia Cramping Vomiting Vaginitis Acute renal failure
What is the drug of choice for acute sinusitis in penicillin allergic patients?
Azithromycin
How to treat uncomplicated acute sinusitis with mild symptoms?
Pseudoephedrine (Sudafed)
Oxymetazoline
NS nasal spray
Warnings for Psuedephedrine (Sudafed)
HTN
CVD
DM
Thyroid
Adverse Reactions for Psuedephedrine (Sudafed)
Nervousness
Dizziness
Insomnia
How long should antibiotics be prescribed for acute sinusitis?
5-7 days
Reasons for failure of treatment in acute sinusitis
Resistant pathogens
inadequate dosing
Structural abnormalities
Noninfectious etiology
When to refer sinusitis to ENT
Multiple episodes of acute bacterial rhinosinusitis (ABRS)
Chronic rhino sinusitis with exacerbations of ABRS
Allergic rhinitis who may be candidates for immunotherapy
Urgent referral to ENT
Severe infection
Symptomatic Treatment of OM
Ibuprofen/Motrin
Auralgan
Topical aqueous lidocaine
Antibiotics vs. Observation in OM
Base Antibiotics Treatment on:
Clinical & microbiologic efficacy Acceptability SE & toxicity Convenience of dosing schedule Cost
Antibiotics for OM
Amoxicillin Augmentin Azithromycin Clarithromycin Erythromycin/Sulfisoxazole
Alternative Antibiotic Options for OM
Cefdinir (Omnicef)
Cefuroxime (Ceftin)
Recommended Duration of Treatment
Prophylaxis can be given when
3 infections in 3 months
4 episodes in 6 months
6 episodes in 12 months
Pain Control in OM
Auralgan
Tylenol/Ibuprofen
Indications for Auralgan
Reduce pain and swelling
Remove or soften cerumen
OM Drug of Choice
Amoxicillin
Adverse Reactions of Amoxicillin
GI upset Hypersensitivity reactions Hyperactivity Blood dycrasias Yeast infections
Medication for severe otalgia or elevated temperature
Augmentin
Adverse Reactions for Augmentin
GI upset Diarrhea Nausea Abdominal pain Rash urticaria Vomiting Vaginitis Anaphylaxis
Drugs can use if penicillin allergy without urticaria or anaphylaxis in OM
Cefdinir
Cefpodoxime
Cefuroxime
Ceftriaxone
Drugs can use if severe penicillin allergy in OM
Erythromycin + sulfisoxazole
Azithromycin
Clarithromycin
Bactrim
Define Malignant Otitis Externa
Invasive infection of the canal and skull base
Patients at high risk for malignant otitis externa
Elderly patients with DM
HIV
Antibiotics for Malignant Otitis Externa
ANTIPSUEDEMONALS
Ciprofloxacin
Levofloxacin