uses
What is nasal cromolyn used for?Nasal cromolyn is commonly used to prevent and ease nasal allergy symptoms, such as a runny, stuffy, or itchy nose, and sneezing, caused by hay fever (allergic rhinitis).Nasal cromolyn may also be used for other conditions as determined by your health care provider.Cromolyn is also available in other forms. See Cromolyn, Cromolyn inhaled, and Cromolyn ophthalmic for more information.How does nasal cromolyn work (mechanism of action)?Nasal cromolyn works for nasal allergy symptoms by stabilizing immune cells in the nose called mast cells. Cromolyn stops these cells from releasing substances that lead to allergy symptoms, such as histamine, when you come into contact with allergens. Common examples of allergens are pollen, dust, or pets.How is nasal cromolyn supplied (dosage forms)?Brands and other namesNasalCromDosage forms and strengths5.2 mg per spray nasal sprayHow should I store nasal cromolyn?Nasal cromolyn should be stored at room temperature, between 68 F and 77 F (20 C and 25 C). Store in a cool, dry place that is protected from light.
how to use
nasal spray
drug interactions
Does nasal cromolyn interact with foods or drinks?There are no known interactions between nasal cromolyn and foods or drinks.It is unknown if drinking alcohol will affect nasal cromolyn.Does nasal cromolyn interact with other medicines (drug interactions)?There are no known interactions between nasal cromolyn and other medicines. Always tell your health care provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.
side effects
What are the most common side effects of nasal cromolyn?The most common side effects of nasal cromolyn are sneezing and stinging right after you use it. Tell your health care provider if you have any of these side effects that bother you.There may be other side effects of nasal cromolyn that are not listed here. Contact your health care provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at www.fda.gov/medwatch or by calling 800-FDA-1088 (800-332-1088). In Canada, you can report side effects to Health Canada at www.health.gc.ca/medeffect or by calling 866-234-2345.What are the serious side effects of nasal cromolyn?While less common, the most serious side effects of nasal cromolyn are described below, along with what to do if they happen.Severe Allergic Reactions. Nasal cromolyn may cause allergic reactions, which can be serious. Stop using nasal cromolyn and get help right away if you have any of the following symptoms of a serious allergic reaction.Breathing problems, wheezing, or chest tightnessSwelling of the face, lips, mouth, tongue, or throatTrouble swallowing or throat tightnessItching, skin rash, or pale red bumps on the skin (hives) or mouthRacing heartFever or general ill feelingSwollen lymph nodesNausea or vomitingDizziness, feeling lightheaded, or faintingStomach crampsJoint pain
overdose and misseddose
What should I do if I accidentally use too much nasal cromolyn?If you or someone else has used too much nasal cromolyn, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.What should I do if I miss a dose of nasal cromolyn?If you miss a dose, use it as soon as you remember. If it is almost time for your next dose, skip the missed dose and only use the next dose. Do not use double or extra doses. Do not use nasal cromolyn more than directed on the product label.
warnings and Precautions
Who should not use nasal cromolyn?Allergies to Ingredients. People who are allergic to any of the following should not use nasal cromolyn.CromolynNasalCromAny of the ingredients in the specific product Your pharmacist can tell you all of the ingredients in the specific nasal cromolyn products they stock.What should I know about nasal cromolyn before using it?Use nasal cromolyn as directed on the product label.Do not share your bottle of nasal cromolyn with other people. This may spread germs.Keep nasal cromolyn out of the reach of children.To help keep nasal allergy symptoms under control, use nasal cromolyn when you are around things that trigger your allergies (allergens), such as pollen, dust, or pets. Nasal cromolyn may also be used to help prevent symptoms. To prevent symptoms, you should start using it up to a week before you plan to be around allergens. It may take a few days of using nasal cromolyn before you start to notice improvement. For full effect, it could take one to two weeks of regular use.If your symptoms get worse, you notice new symptoms, or your symptoms do not improve after two weeks, stop using nasal cromolyn and talk to your health care provider. Do not use it for longer than 12 weeks unless your health care provider recommends it.Nasal cromolyn should only be used for allergy symptoms. You should not use it to treat things such as the common cold, asthma, or a sinus infection. What should I tell my health care provider before using nasal cromolyn?Tell your health care provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. This will help them know if nasal cromolyn is right for you.In particular, make sure that you discuss any of the following.Current and Past Health Conditions. Tell your health care provider if you have any of the following.FeverNasal discharge or mucus that is not clearSinus pain or pressureWheezingPregnancy. It is not known if or how nasal cromolyn could affect pregnancy or harm a fetus. Before using nasal cromolyn, tell your health care provider if you are pregnant or plan to become pregnant.Breastfeeding. It is not known if nasal cromolyn passes into breast milk. Before using nasal cromolyn, tell your health care provider if you are breastfeeding or plan to breastfeed.
about
Nasal cromolyn is used for nasal allergy symptoms, such as a runny, stuffy, or itchy nose, and sneezing. Common side effects include brief sneezing and a stinging feeling after spraying it into your nose. Nasal cromolyn should only be used for allergy symptoms. You should not use it to treat things such as the common cold, asthma, or a sinus infection. Nasal cromolyn is an over-the-counter (OTC) medicine.Â