Acute retinal necrosis medical therapy
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.
Overview
Medical Therapy
- Empiric antimicrobial therapy
- Alternative regimen (1): Acyclovir 10 mg/kg IV q8h for 1-2 weeks followed by Valacyclovir 1 g IV q8h for 6 weeks to several months followed by Acyclovir 400 mg PO bid for chronic maintenance
- Alternative regimen (2), unresponsive: Foscarnet 1.2-2.4 mg/0.1 mL intravitreal injection 1-3 times per week AND (Ganciclovir 5 mg/kg IV q12 for 2 weeks followed by 5 mg/kg q24h for 5-7 weeks OR Foscarnet 60 mg/kg IV q8h for 2 weeks followed by 90-120 mg/kg IV q24h OR Cidofovir 5 mg/kg IV for 2 weeks followed by 5 mg/kg IV q2weeks) followed by (Acyclovir 400 mg PO bid for chronic maintenance OR Valganciclovir 900 mg PO qd for chronic maintenance)
- Note: Ganciclovir is administered for patients with suspected CMV acute retinal necrosis. Whereas Foscarnet is administered for patients who are not immunocompromised
- Pathogen-directed antimicrobial therapy
- HSV or VZV
- Preferred regimen: Acyclovir 10 mg/kg IV q8h for 1-2 weeks followed by Acyclovir 400 mg PO bid for chronic maintenance
- Alternative regimen: Acyclovir 10 mg/kg IV q8h for 1-2 weeks followed by Valacyclovir 1 g IV q8h for 6 weeks to several months followed by Acyclovir 400 mg PO bid for chronic maintenance
- Cytomegalovirus
- Preferred regimen: Foscarnet 1.2-2.4 mg/0.1 mL intravitreal injection 1-3 times per week AND Ganciclovir 5 mg/kg IV q12 for 2 weeks followed by 5 mg/kg q24h for 5-7 weeks followed by Valganciclovir 900 mg PO qd for chronic maintenance