Tab Adult & childn >12 yr 1st 2-3 day: 1 tab tid then 1 tab bid or ½ tab tid, 
6-12 yr ½ tab bid-tid. 
SR cap Adult & childn >12 yr 1 cap once daily. 
Syr Adult & childn >12 yr 1st 2-3 day: 10 mL tid then 10 mL bid or 5 mL tid
, 6-12 yr 5 mL bid-tid, 
2-5 yr 2.5 mL tid, 
<2 yr 2.5 mL bid. 
DS syr Adult & childn >12 yr 1st 2-3 day: 5 mL tid then 5 mL bid or 2.5 mL tid. 
Childn 6-12 yr 2.5 mL bid-tid.
 Infant Oral Drops Childn 13-24 mth 1.25 mL bid, 
7-12 mth 1 mL bid, 
≤6 mth 0.5 mL bid.