A.Vogel Sinna Nasal Spray for sinus congestion and blocked nose. Dosage:  Adults and adolescents over 12 years old: Spray once or twice into each nostril, 3 to 5 times daily, or as directed by a healthcare practitioner. Children 1 to 11 years old: Spray once into each nostril, 4 times daily, or as directed by a healthcare practitioner.Caution: Avoid taking in case of allergy to any of the ingredients in the product. Consult a healthcare practitioner if symptoms persist or worsen. Do not use if safety seal is broken. Keep out of the reach of children.