Tetrahydrozoline Nasal Dosage

Usual Adult Dose for Nasal Congestion

2 to 4 drops of 0.1% solution in each nostril every 4 to 8 hours as needed

or

3 to 4 squirts of 0.1% spray in each nostril every 4 to 8 hours as needed.

Usual Pediatric Dose for Nasal Congestion

>=2 years to < 6 years:

2 to 3 drops of 0.05% solution in each nostril every 4 to 6 hours as needed.

>= 6 years to < 18 years:

2 to 4 drops of 0.1% solution in each nostril every 4 to 8 hours as needed

or

3 to 4 squirts of 0.1% spray in each nostril every 4 to 8 hours as needed.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

Avoid doses greater or more frequent than those recommended. Administration should never be more often than every 3 hours.

Dialysis

Data not available