Nasal decongestant drugs
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Decongestants
Decongestants are a type of medicine that can provide short-term relief for a blocked or stuffy nose (nasal congestion).
They can help ease the symptoms of conditions such as colds and flu, hay fever and other allergic reactions, catarrh and sinusitis.
They work by reducing the swelling of the blood vessels in your nose, which helps to open the airways.
Examples include pseudoephedrine (sometimes called by the brand name Sudafed).
Types of decongestants
Decongestants are available as:
- nasal sprays
- drops
- tablets or capsules
- liquids or syrups
- flavoured powders to dissolve in hot water
Some products may just contain decongestant medicine, but many are sold as "all-in-1" remedies that contain decongestants, painkillers or antihistamines.
Most decongestants can be bought over the counter from pharmacies without a prescription.
Who can take decongestants
Most people can use decongestants safely, but they're not suitable for everyone.
They should not be used by the following groups of people without getting advice from a pharmacist or GP first: