Neilmed nasamist saline hypertonic spray extra strength gives you effective relief from nasal allergies and nasal congestion when applied in your nose the gentle fine mist keeps the nasal passage moist and cleared of dust or irritants effective for all nasal allergy causes neilmed sprays can be used to alleviate sinusitis rhinitis allergic asthma post nasal drip sinus pressure and congestion and nasal symptoms of cold and flu safe for daily use it can be used on a daily basis for relief