Cromolynnatrium nässpray
Nasalcrom
Granskad av Dr Colin Tidy, MRCGPSenast uppdaterad av Michael Stewart, MRPharmSSenast uppdaterad 18 Jan 2024
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Cromolyn sodium spray will help to prevent the symptoms of a stuffy, runny or itchy nose (rhinitis).
Use one spray into each nostril two to four times daily.
If you are using it for hay fever, start using it 2-3 weeks before the hay fever season begins and use it regularly, even if your symptoms are well controlled.
Överblick
Cromolyn sodium nasal spray is an anti-allergy medicine for nasal symptoms from allergies.
It helps to prevent symptoms like sneezing, blocked or runny nose, and an itchy nose.
Common side effects include nasal stinging, headache, and sneezing.
It can take several days to weeks to work, so use it regularly.
Use the spray regularly, even if your symptoms improve.
Klinisk författares anmärkning Michael Stewart 31/01/2018: Cromolyn sodium is known as sodium cromoglicate in the United Kingdom. There are no nasal preparations containing sodium cromoglicate currently available in the UK. This Medicine Leaflet is based on medicines information available in the UK and USA at the time of writing. Please also refer to the manufacturer's information supplied with your medicine.
Översikt
Typ av medicin | En allergimedicin |
Används för | Nasal symptoms caused by allergies (in adults and in children aged over 2 years) |
Även kallad | Nasalcrom®; sodium cromoglicate (in UK) |
Tillgänglig som | Nasal spray |
What is cromolyn sodium nasal spray used for?
Cromolyn sodium nasal spray is used to prevent and treat symptoms of allergic rhinitis (hay fever).
This is a condition where the inside of your nose becomes inflamed and irritated, causing symptoms include sneezing, a blocked or runny nose, and an itchy nose.
It is commonly caused by allergier to substances such as pollen and animal fur.
Cromolyn sodium nasal spray is available on prescription, or you can buy it over-the-counter at a pharmacy.
How does cromolyn sodium work?
Cromolyn sodium works by preventing the release of histamine and other inflammatory substances, helping to reduce allergic reactions and inflammation.
Histamine is normally released by the immune system when the body comes into contact with an allergen, such as pollen, dust, or pet dander.
Side effects of cromolyn sodium
Common side effects of cromolyn sodium are:
Nasal stinging or burning.
Huvudvärk.
Sneezing.
A full list of side effects can be found in the manufacturer's leaflet.
Before using cromolyn sodium nasal spray
To make sure this is the right treatment for you, before you start using sodium cromoglicate nasal spray it is important that your doctor or pharmacist knows:
Om du någonsin har haft en allergisk reaktion mot en medicin.
If you are pregnant, trying for a baby or breastfeeding. This is because while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
How to use cromolyn sodium nasal spray
Read the manufacturer's instructions to make sure you know how to work the spray.
Remove the protective cap. (Before you use the spray for the first time, activate the spray a few times until you can see a fine mist in the air.)
Blow your nose gently to clear it.
Close one nostril by placing a finger against one side of your nose. Then, using your other hand, put one finger on each side of the nozzle of the bottle and insert the nozzle into your open nostril. Try to keep the bottle upright as you do this.
Breathe in through your nose as you press down on the nozzle to activate the spray. Then remove the nozzle from your nostril and breathe out through your mouth.
Use the spray in your other nostril by repeating the steps above.
Wipe the nozzle with a clean tissue and replace the cap. (If the nozzle becomes blocked, you can remove it from the bottle and rinse it under warm water.)
Få ut det mesta av din behandling
Read the information leaflet that comes with the spray before you start using it. It explains how to use the spray correctly and lists possible side effects.
The usual dose is one spray into each nostril 2-4 times a day. Use the spray regularly, even if your symptoms improve. Cromolyn sodium works by preventing allergy symptoms, rather than treating symptoms once they start.
If you are using the spray for hay fever, you may be advised to start treatment 2-3 weeks before the pollen season begins, as it can take a few days to start working.
If you forget a dose, use it as soon as you remember unless it is nearly time for your next dose. Do not use two doses at the same time.
How to store cromolyn sodium nasal spray
Förvara alla läkemedel utom räckhåll och synhåll för barn.
Förvara på en sval, torr plats, borta från direkt värme och ljus.
Vanliga frågor
How long does cromolyn sodium nasal spray take to work?
Cromolyn sodium nasal spray does not work instantly. It can take several days of regular use before symptoms begin to improve, and up to 2-4 weeks for full benefit.
For hay fever, it is often recommended to start using the spray before allergy season begins.
Is cromolyn sodium a steroid nasal spray?
No. Cromolyn sodium is not a steroid. It belongs to a group of medicines called mast cell stabilisers, which help prevent the release of histamine and other chemicals involved in allergic reactions.
Can cromolyn sodium nasal spray be used every day?
Yes. Cromolyn sodium nasal spray is designed for regular daily use to help prevent allergy symptoms such as sneezing, itching, and a runny or blocked nose.
It works best when used consistently, even when symptoms are mild or well controlled.
Can cromolyn sodium nasal spray be used with other allergy medicines?
Cromolyn sodium nasal spray may be used alongside other allergy treatments such as antihistamines or steroid nasal sprays, depending on your symptoms and medical history.
However, you should check with a doctor or pharmacist before combining allergy medicines to avoid unwanted side effects or interactions.
Viktig information om alla läkemedel
Viktig information om alla läkemedel
Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the emergency room of your local hospital. Take the container with you, even if it is empty.
Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.
Om du ska genomgå en operation eller tandbehandling, informera den som utför behandlingen om vilka mediciner du tar.
Om du köper några mediciner, kontrollera med en apotekare att de är säkra att ta tillsammans med dina andra mediciner.
Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.
Om du har några frågor om denna medicin, fråga din apotekare.
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Rapportera misstänkta biverkningar av läkemedel, vacciner, e-cigaretter, medicintekniska händelser, defekta eller förfalskade (falska) produkter till Läkemedelsverket för att säkerställa säker och effektiv användning.

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Vanliga frågor
What is the recommended age for children to use cromolyn sodium nasal spray?
Cromolyn sodium nasal spray can be used by children aged over 2 years for nasal symptoms caused by allergies.
When should I start using cromolyn sodium nasal spray if I have hay fever?
If you are using the spray for hay fever, it is often advised to begin treatment 2-3 weeks before the pollen season starts. This is because it can take a few days for the spray to become fully effective.
What should I do if the nozzle of my cromolyn sodium nasal spray gets blocked?
If the nozzle becomes blocked, you can remove it from the bottle and rinse it under warm water to clear the blockage.
Why is it important to use cromolyn sodium nasal spray regularly?
Cromolyn sodium works by preventing allergy symptoms from developing, rather than treating them once they have already started. Therefore, regular use, even if your symptoms improve, helps to continuously prevent symptoms.
Are there any specific situations where I should inform my doctor or pharmacist before using this nasal spray?
Yes, it is important to let your doctor or pharmacist know if you have ever had an allergic reaction to any medicine. Also, if you are pregnant, trying for a baby, or breastfeeding, you should only use this medicine on their recommendation.
Vidare läsning och referenser
- Manufacturer's FDA Drug Label, Cromolyn sodium 5.2 mg spray; Bausch and Lomb Inc. DailyMed, National Institutes of Health, US National Library of Medicine. Last updated June 1, 2021.
Om författarenVisa fullständig biografi

Michael Stewart, MRPharmS
Ansvarig för granskning av medicinbroschyrer – Konsult, Apotekare
BPharm (Hons), MRPharmS
Michael är en apotekare som arbetar i Midlands och South Yorkshire med mer än 20 års erfarenhet av att ge råd om läkemedel och medicinska tillstånd. Han har en stark bakgrund inom vårdutbildning och har producerat och levererat utbildningskurser för apoteksteam och personal inom vårdboenden, inklusive sjuksköterskor. Han har också bidragit till apoteksrådgivande styrelser för hantering av mindre allvarliga tillstånd i samhället.
Om recensentenVisa fullständig biografi

Dr Colin Tidy, MRCGP
Allmänläkare, Medicinsk Författare
MBBS, MRCGP, MRCP (Paediatrics), DCH
Dr Colin Tidy är en NHS-läkare, baserad i Oxfordshire.
Artikelhistorik
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
Artikeln finns också på Engelska, Tyska, Spanska, Franska, Italienska, Portugisiska, Hindi, Hebreiska, Arabiska, och Svenska.
Next review due: 17 Jan 2027
18 Jan 2024 | Senaste versionen

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