The active component of VENTOLIN Inhalation Solution is albuterol sulfate, USP, the racemic form of albuterol and a relatively selective beta2-adrenergic bronchodilator (see CLINICAL PHARMACOLOGY). It has the chemical name a1-[(tert-butylamino)methyl] -4-hydroxy-m-xylene-a, a'-diol sulfate (2:1)(salt) and the following chemical structure:
Albuterol sulfate has a molecular weight of 576.7, and the empirical formula is (C13H21NO3)2·H2SO4.
Albuterol sulfate is a white crystalline powder, soluble in water and slightly soluble in ethanol.
The World Health Organization recommended name for albuterol base is salbutamol.
VENTOLIN Inhalation Solution, 0.5% is in concentrated form. Dilute the appropriate volume of the solution (see DOSAGE AND ADMINISTRATION) with sterile normal saline solution to a total volume of 3 mL and administer by nebulization.
Each milliliter of VENTOLIN Inhalation Solution contains 5 mg of albuterol (as 6 mg of albuterol sulfate) in an aqueous solution containing benzalkonium chloride; sulfuric acid is used to adjust the pH to between 3 and 5. VENTOLIN Inhalation Solution contains no sulfiting agents. It is supplied in a 20-mL amber glass bottle.
VENTOLIN Inhalation Solution is a clear, colorless to light yellow solution.
What are the possible side effects of albuterol (Proventil, Proventil Repetabs, Ventolin, Volmax)?
Stop taking albuterol and seek emergency medical attention if you experience any of the following serious side effects:
- an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives); or
- chest pain or irregular heartbeats.
Other, less serious side effects may be more likely to occur. Continue to take albuterol and talk to your doctor if you experience
- dizziness or lightheadedness;
- tremor or...
Read All Potential Side Effects and See Pictures of Ventolin Solution »
Last reviewed on RxList: 12/17/2004
This monograph has been modified to include the generic and brand name in many instances.