Purpose of Nasalcrom

Nasalcrom is an over-the-counter medication used to treat nasal symptoms of hay fever and other nasal allergies. Symptoms may include:

  • runny/itchy nose
  • sneezing
  • allergic stuffy nose

Active Ingredients

cromolyn sodium 5.2 mg per spray

Inactive Ingredients

benzalkonium chloride, edetate disodium, purified water

Nasalcrom FDA Warning

Do not use if you are allergic to any of the ingredients.

Ask a doctor before use if you have:

  • fever
  • discolored nasal discharge
  • sinus pain
  • wheezing

When using this product:

  • it may take several days of use to notice an effect. Your best effect may not be seen for 1 to 2 weeks.
  • brief stinging or sneezing may occur right after use
  • do not use it to treat sinus infection, asthma, or cold symptoms
  • do not share this bottle with anyone else as this may spread germs

Stop use and ask a doctor if: 

  • shortness of breath, wheezing, or chest tightness occurs
  • hives or swelling of the mouth or throat occurs
  • your symptoms worsen
  • you have new symptoms
  • your symptoms do not begin to improve within two weeks
  • you need to use for more than 12 weeks

If pregnant or breastfeeding, ask a health professional before use.

Keep out of reach of children.

If swallowed, get medical help or contact a Poison Control Center right away (1-800-222-1222).


  • See the medication's package insert on how to use pump.
  • Parent or care provider must supervise the use of this product by young children.

For adults and children 2 years and older:

  • Spray once into each nostril. Repeat 3-4 times a day (every 4-6 hours). If needed, may be used up to 6 times a day.
  • Use every day while in contact with the cause of your allergies (pollen, molds, pets, and dust).
  • To prevent nasal allergy symptoms, use before contact with the cause of your allergies. For best results, start using up to one week before contact.
  • If desired, you can use this product with other medicines, including other allergy medicines.

Pediatric Use

For children under 2 years, do not use unless directed by a doctor.

Parent or care provider must supervise the use of this product by young children.

Other Information About Nasalcrom

  • Store at room temperature between 20°-25°C (68°-77°F).
  • Protect from light.
  • Keep carton and package insert. They contain important instructions.
  • Do not use if imprinted plastic bottle wrap is broken or missing.
  • See bottom panel for lot number and expiration date.