NeilMed Sinus Rinse Nasal Wash Allergy Relief Refill Sachets are a refill for the NeilMed Sinus Rinse Bottle (sold separately) that works as a form of treatment for nasal symptoms caused by conditions such as hay fever and also a cold or the flu. The active ingredient contained in NeilMed Sinus Rinse is saline, which helps to clear out mucus in the nose.
Nasal symptoms in the nose caused by an allergy, such as hay fever, is the result of the body coming into contact with an allergen such as pollen. This causes the body to react by releasing a number of chemicals. One of which is histamine, which causes the blood vessels in the nose to swell up, causing the symptoms. When it comes to a cold or the flu, mucus build-up caused by the virus leads to a runny, blocked, or stuffy nose