Similasan Hay Fever Relief is a nasal spray that relieves congestion, itching and runny nose. Similasan’s unique Active Response Formula quickly stimulates the body’s natural ability to relieve congestion, itchy and runny nose (as caused by pollen, pet dander, dust and mold spores). Homeopathic medications work effectively without causing a rebound effect, drowsiness, reliance or drug interactions. You can use this spray with confidence, as often as needed. Gentle enough for children, strong enough for adults. 0.5 fl oz / 15 ml