Primatene Mist Inhaler, 160 Metered Sprays Sale! from 3299 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Primatene is the only FDA Approved over the counter medication for fast asthma relief. Active ingredient of Epinephrine 0.125 mg Qty available:100 Tweet