Proventil

To prevent exercise-induced bronchial spasm, the usual dosage is 2 inhalations, 15 minutes prior to exercise.

Tablets

The usual starting dose for adults and children 12 years of age and older is 2 or 4 milligrams 3 to 4 times a day. Dosage should not exceed 32 milligrams per day.

Syrup

The usual starting dose for adults and children over 12 years of age is 1 or 2 teaspoonfuls 3 or 4 times a day. Dosage should not exceed 4 teaspoonfuls 4 times a day.

Proventil Inhalation Solution

The usual dosage for adults and children 12 years of age and older is 2.5 milligrams administered 3 to 4 times daily by nebulization. Do not use more often or in higher doses. To administer 2.5 milligrams, use the entire contents of a unit-dose bottle of the 0.083% solution or dilute 0.5 milliliter of the 0.5 percent solution with 2.5 milliliters of sterile normal saline solution.

Proventil Repetabs, Volmax Extended-Release Tablets, and VoSpire Extended-Release Tablets

The usual recommended dosage for adults and children 12 years of age and older is 8 milligrams every 12 hours. In some people, 4 milligrams every 12 hours may be sufficient. If the desired effect is not achieved with the standard dosage, your doctor may increase doses to a maximum of 32 milligrams per day, divided into two 16-milligram doses spaced 12 hours apart. Those taking standard tablets or syrup can switch to extended-release tablets. One extended-release tablet every 12 hours is equivalent to one 2-milligram standard tablet every 6 hours.

CHILDREN

Inhalation Aerosol

The usual dose of albuterol inhalation aerosol for children aged 4 and over (12 and over for Proventil) is 2 inhalations every 4 to 6 hours. To prevent exercise-induced bronchial spasm, the dose is 2 inhalations 15 minutes prior to exercise.

Tablets

The usual starting dose for children 6 to 12 years of age is 2 milligrams 3 or 4 times a day. The dose can be increased with caution but should not exceed 24 milligrams per day. Safety and effectiveness in children under 6 have not been established.