Albuterol (as sulfate) 0.5%. By nebulizer: 2.5mg (0.5mL of 0.5% diluted to 3mL with sterile normal saline, or 3mL of 0.083%) 3–4 times daily. Avoid excessive use. Sensitivity to sympathomimetics ...

Albuterol 90mcg/inh; metered-dose aerosol. <4yrs: not recommended. ≥4yrs: 2 inh every 4–6 hrs as needed; 1 inh every 4 hrs may suffice. Exercise–induced bronchospasm: 2 inh 15 minutes before ...

Primatene and prescription albuterol are different medications, with different active ingredients, uses, and side effects.