Usual Adult Dose of Pseudoephedrine for Nasal Congestion:
Immediate release: 30 to 60 mg orally every 4 to 6 hours as needed.
Sustained release: 120 mg orally every 12 hours as needed.
Sustained release suspension: 45 to 100 mg orally every 12 hours as needed.
Maximum daily dose is 240 mg/day.
Usual Pediatric Dose of Pseudoephedrine for Nasal Congestion:
2 years to 5 years:
Immediate release: 15 mg every 6 hours.
Sustained release suspension: 12.5 to 25 mg orally every 12 hours as needed.
Maximum daily dose is 60 mg/day.
Alternative dosing: 1 mg/kg/dose every 6 hours; maximum dose: 15 mg.
6 years to 12 years:
Immediate release: 30 mg every 6 hours.
Sustained release suspension: 25 to 50 mg orally every 12 hours as needed.
Maximum daily dose is 120 mg/day.
over 12 years:
Immediate release: 30 to 60 mg orally every 4 to 6 hours as needed.
Sustained release: 120 mg orally every 12 hours as needed.
Sustained release suspension: 50 to 100 mg orally every 12 hours as needed.
Maximum daily dose is 240 mg/day.
 Detailed Pseudoephedrine dosage information
