Rimantadine (Flumadine); 
Antiviral; Syr: 10 mg/mL 
 Tab: 100 mg; <10 yrs: 5 mg/kg/day PO qd (max 150 mg/day) 
 >10yrs:100 mg PO bid 
 For 
prophylaxis, treat for 10 days after exposure or for 6-8 weeks during 
influenza A season. For treatment of active 
influenza A 
infection, treat for 5-7 
 days. Must initiate therapy within 48 hours of symptom onset. 
 Not active against 
Influenza B.