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Over-the-counter medicine · no prescription needed

Cromolyn

Purpose on the label: Nasal allergy symptom controller

Allergy

Official FDA data, not advice

The label text is quoted exactly as the company filed it with the U.S. Food and Drug Administration (FDA), with a link to the official copy. The list of brands comes from the FDA NDC Directory.

This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.

If someone may have taken too much, call Poison Help: 1‑800‑222‑1222. In an emergency, call 911.

Quick answers

What is Cromolyn used for?
The Drug Facts label of Cromolyn Sodium (Bausch & Lomb Incorporated) lists these uses: to prevent and relieve nasal symptoms of hay fever and other nasal allergies; runny/itchy nose; sneezing; allergic stuffy nose.
Do I need a prescription for Cromolyn?
No, the products on this page are sold without a prescription. Other products with the same active ingredient need a prescription (often a higher strength or another form): see the prescription page.
Is a store brand the same as the name brand?
Products listed together below have the same active ingredient, in the same amount and the same form, as registered with the FDA. Inactive ingredients (such as colors, flavors and fillers) and package sizes can differ. Compare the “Active ingredient” box on both packages, and ask a pharmacist if you are not sure.
Has Cromolyn been recalled?
No recall linked to these products appears in the FDA enforcement reports we use.

Also sold by prescription (often at a higher strength or in another form): Cromolyn sodium — prescription medicine

Drug Facts label

Every over-the-counter medicine must carry a “Drug Facts” box in the same order, set by FDA rules. Below is the label of one product for each common strength and form, quoted word for word. Your own package can differ (for example, children’s products have other directions): always follow the label on your package.

Cromolyn Sodium · Bausch & Lomb Incorporated

Cromolyn sodium 5.2 mg, spray, metered (nasal)

Active ingredient (per spray)

Cromolyn sodium 5.2 mg

Purpose

Nasal allergy symptom controller

Uses

to prevent and relieve nasal symptoms of hay fever and other nasal allergies:

  • runny/itchy nose
  • sneezing
  • allergic stuffy nose

Warnings

For external use only

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 breast feeding, ask a health professional before use.

Keep out of reach of children

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

Directions

  • see package insert on how to use pump
  • parent or care provider must supervise the use of this product by young children
  • 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.
  • children under 2 years: Do not use unless directed by a doctor.

Inactive ingredients

benzalkonium chloride, edetate disodium, purified water

Questions?

Call toll-free 1-800-323-0000

— FDA label of Cromolyn Sodium, Bausch & Lomb Incorporated, effective June 1, 2021. See the official label on DailyMed →

This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.

Same medicine, other brands

Each group lists the products that have exactly the same active ingredient, in the same amount and form, as registered with the FDA (NDC Directory). A store brand in the same group has the same medicine as the name brand; inactive ingredients, flavors and package sizes can differ. Each product links to its own official label.

Cromolyn sodium 5.2 mg · spray, metered (nasal) · 2 products

Drug Facts for this strength and form ↑

Brand or product nameCompany on the labelLabel
Cromolyn Sodium Bausch & Lomb Incorporated DailyMed
NasalCrom Prestige Brands Holdings, Inc. DailyMed

Companies that sell this medicine

The company named on the package (maker or distributor), as listed in the FDA NDC Directory, with its number of over-the-counter products of this medicine.

Recalls

No recall linked to these products (by their NDC code or label) appears in the FDA enforcement reports.

Sources

  1. Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  4. FDA rule for the Drug Facts label (21 CFR 201.66)

Only medicines marketed under FDA rules for nonprescription drugs (an FDA monograph or an FDA approval) are listed. Homeopathic products are not listed: the FDA does not evaluate them for safety or effectiveness.

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