About hydroxypropylmethyl cellulose
Cellulose-based nasal barrier powder
Used for
- Helps block pollen and other airborne allergens from entering the nose.
- Used to relieve or help prevent allergic rhinitis symptoms.
Usual adult dose
Spray into each nostril, usually every 4–6 hours or as directed by the product label.
Usual dose in children
For children aged 18 months and older, use as directed by the product label; dosing varies by age.
Common side effects
- Nasal dryness or irritation
- Sneezing
- Unpleasant taste
Important warnings
- For use in the nose only.
- Follow the package directions and avoid inhaling the powder deeply.
- Seek medical advice for persistent or severe allergy symptoms.
Pregnancy
Limited pregnancy-specific evidence; nasal cellulose is minimally absorbed, but product-specific advice should be checked.
Breastfeeding
Limited evidence; nasal cellulose is minimally absorbed, with low expected exposure during breastfeeding.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.