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Dequadin 0.5% oral mucosa solution
Dequadin 0.5% oral mucosa spray
Dequalinium chloride
What it is and what it is used for
Dequadin contains the active ingredient dequalinium chloride (also known as decamethylene bis aminoquinaldinium chloride), and is a broad-spectrum antibacterial and antifungal (antimycotic) drug. It is active against Gram-positive and Gram-negative bacteria, Borrelia vincenti, Candida albicans, and some species of Trichophyton. Dequadin is used for the topical (local) treatment of gingivitis (inflammation of the gums), stomatitis (inflammation of the mouth), tonsillitis (inflammation of the tonsils), and pharyngitis (inflammation of the pharynx).
After dental extractions, Dequadin is useful in preventing infections.
What you need to know before taking the medicine
Do not use Dequadin
- if you are allergic to dequalinium chloride or any of the other ingredients of this medicine (listed in section 6);
- if you are using other antiseptics or oral hygiene products;
- in children under three years of age, especially if prone to laryngospasm (spasmodic contraction of the laryngeal muscles) or convulsions (involuntary muscle contractions).
Warnings and precautions
Talk to your doctor or pharmacist before using Dequadin.
Dequadin should only be used for lesions of the mouth and throat.
The use of Dequadin, especially if prolonged, may lead to sensitization to the drug or resistance by microorganisms. If this occurs, stop treatment and contact your doctor. Contact your doctor if you do not notice any improvement or if your symptoms worsen.
Dequadin can be taken safely by individuals with celiac disease.
Children
Dequadin should not be used in children under 3 years of age, especially if prone to laryngospasm (spasmodic contraction of the laryngeal muscles) or convulsions (involuntary muscle contractions).
Possible side effects
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Local irritation may occur during treatment with Dequadin.
Reporting of side effects
If you get any side effects, including any not listed in this leaflet, talk to your doctor or pharmacist. You can also report side effects directly via the national reporting system at: https://www.aifa.gov.it/content/segnalazionireazioni-avverse.
By reporting side effects, you can help provide more information on the safety of this medicine.

