Penicillin V 
potassium (Pen-Vee K, Veetids); Antibacterial, Penicillin; Soln per 5 mL: 125, 250 mg Tab: 250, 500 mg; 
Systemic Infections: 25-50 mg/kg/day PO q6-8h (max 3 gm/day)  
Prophylaxis of Pneumococcal Infections: 
  <2 mos to 3 yrs: 125 mg PO bid 
 4-5 yrs: 250 mg PO bid 
 >5 yrs: 250 mg PO bid. May discontinue penicillin 
prophylaxis after 5 years of age in children who have not experienced invasive pneumococcal 
 infections and who have received the pneumococcal 
vaccine.