Chlorhexidine is active against various bacteria, viruses, bacterial spores and fungi. It kills the micro-organisms associated with various mouth and throat infections, and other common conditions in the mouth. This includes the Candida albicans fungi that cause thrush infection in the mouth, and bacteria that may infect mouth ulcers or other sore areas in the mouth, for example following dental surgery. Infection of these areas increases discomfort and delays healing
The following are some of the side effects that are known to be associated with Corsodyl mouthwash. Just because a side effect is stated here doesn't mean that all people using this medicine will experience that or any side effect.
Temporary taste disturbance.
Burning, tingling or numb sensation on the tongue.
Dry mouth.
Temporary staining of the tongue (goes away when you stop using the mouthwash).
Brown staining of the teeth. This is not permanent and can largely be avoided by brushing the teeth with toothpaste (but see above), or in the case of dentures, using a conventional denture cleaner. Avoiding drinking tea, coffee or red wine, especially in the hour after using the mouthwash, can also help prevent staining. Where normal brushing is not possible, or if any staining remains, your teeth may need scaling and polishing by your dentist after you've finished using the mouthwash.
Peeling of the inside of the mouth.
Swelling of the salivary glands.
If the mouthwash causes soreness, irritation or swelling in your mouth, or any breathing difficulties, you should stop using it and get advice from your pharmacist, doctor or dentist.