Flonase Sensimist Children’s Allergy Relief Medicine relieves kids’ worst allergy symptoms, all in a gentle mist they will barely feel. Unlike children’s allergy medicine that only blocks one inflammatory substance in the body, Children’s Flonase Sensimist goes right to the source to help block six allergic substances for powerful multi-symptom relief. MistPro technology generates a fine, unscented mist that’s virtually drip free.