What is this medicine?

CROMOLYN SODIUM (KROE moe lin SOE dee um) helps block allergic reactions. This medicine is used to treat nasal allergy symptoms. This medicine will not fight an infection.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Nasalcrom

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • asthma
  • cold or sinus infection
  • fever
  • kidney disease
  • liver disease
  • nasal polyps
  • an unusual or allergic reaction to cromolyn, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Use this medicine in the nose. Do not take by mouth. Follow the directions on the package label. Use your medicine at regular intervals. Do not use it more often than directed. Make sure that you are using your nasal spray correctly. Ask your doctor or health care provider if you have any questions.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.

What may interact with this medicine?

Interactions are not expected.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular check ups as directed. Tell your doctor or health care professional if your symptoms do not start to get better within 1 to 2 weeks or if they get worse.

You may use other allergy medicines with this medicine, if needed. Ask your doctor or health care professional for advice.

Do not share this bottle with anyone else as this may spread germs.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems
  • chest tightness
  • dizziness
  • fever, infection
  • nosebleed
  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • bad taste
  • burning or irritation in the nose right after use
  • cough
  • headache
  • sneezing

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Do not freeze. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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