Detailed Dextromethorphan dosage information for adults and children. mg/5 mL; mg; hydrobromide; 20 mg/15 mL; 5 mg/5 mL; mg/5 mL; 15 mg/15 mL; 10 mg; 30 mg Maximum dose: mg in 24 hours.
Dosing. The dose of this medicine will be different for different patients. Adults and children 12 years of age and older—5 to 15 mg every two to four hours, as needed. Children and infants up to 4 years of age—Use is not recommended.
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High doses of DXM produced effects distinct from triazolam and had to be most frequent in adolescents and young adults (Boyer ;Bobo et al. .. The maximum dose of DXM was defined as the highest dose of DXM.