6637 Week 2 : Bacterial Conjunctivitis, Gonococcal/Chlamydial Therapy, Allergic Conjunctivitis, Preseptal/Orbital Cellulitis, Dental Abscess, HSV, Thrush, Aphthous Ulcers, Streptococcal Pharyngitis, Allergic Rhinitis Controllers & Rescue, Otitis Externa,

6637 Week 2 : Bacterial Conjunctivitis, Gonococcal/Chlamydial Therapy, Allergic Conjunctivitis, Preseptal/Orbital Cellulitis, Dental Abscess, HSV, Thrush, Aphthous Ulcers, Streptococcal Pharyngitis, Allergic Rhinitis Controllers & Rescue, Otitis Externa, Acute Sinusitis, Otitis Media, Influenza Antivirals, Acute Bronchitis, Community-Acquired Pneumonia, Traveler’s Diarrhea, Shigella, Salmonella, Clostridium difficile, Lyme Disease, CAP DRSP Risk, Magic Mouthwash, Decongestants, Anticholinergic Therapy, Fluoroquinolone Coverage, High-Risk ABX Selection, Pre-Prodrome HSV Management, Topical vs Systemic Therapy, Empiric ABX Principles, Pediatric & Adult Dosing, MRSA Considerations Exam Questions Verified and Provided with Complete A+ Graded Rationales Latest Updated 2026 Bacterial Conjunctivitis topical abx (high risk individuals) First line: • Trimethoprim-Polymyxin B solution, 2 drops qid x 7 days •Fluroquinolone drops: contact users (more likely pseudomonas) •Erythromycin 0.5% ointment, 1cm ribbon qid x 7 days Most S. pneumoniae is resistant to tobramycin, gentamicin Bacterial Conjunctivitis systemic abx: H. influenza amoxicillin-clavulanate Bacterial Conjunctivitis systemic abx: Gonoccoccal •Ceftriaxone, 250mg IM x 1 or Ciprofloxacin, 500 mg po x 1 AND azithromycin 1 gm PO (if PCN allergy) Bacterial Conjunctivitis systemic abx: chlamydial Azithromycin, 1 g PO x 1 or Doxycycline 100mg bid x 7 days Allergic conjunctivitis oral and topical antihistamines Loratidine 10mg qd Allergic conjunctivitis mast cell stabilizers Prophylaxis for recurrent or persistent symptoms Olopatadine ophthalmic 0.2%, 1 gtt qd Preseptal and orbital cellulitis Broad-spectrum antibiotics: •Amoxicillin-clavulanate •Cephalosporin (3rd Gen) If MRSA suspected add one of the following: •Clindamycin or Bactrim DS Follow up in 12-24 hours Dental abscess abx Coverage for both aerobic and anaerobic bacteria First line: Penicillin and Clindamycin Amoxicillin/Clindamycin Azithromycin HSV Acyclovir or valacyclovir Most effective in prodromal Thrush Nystatin oral suspension 100,000 units/mL, 5mL swish and swallow qid until 48 hours after lesions have resolved Nystatin lozenges Oral antifungal (fluconazole) 100-200mg daily for 2 weeks for mod-severe cases Aphthous Ulcers Topical steroids - Dexamethasone elixier 0.5mg/mL, 5 mL swish and spit qid Magic mouthwash - 30mL diphenhydramine elixir + 60mL Mylanta, 5ML swish and swallow bid and hs Strep Penicillin V, 500mg bid x 10 days OR Amoxicillin 500mg bid x 10 days If PCN allergic: *Clarithromycin, 250mg bid x 10 days