Chlorhexidine+metronidazole
About Chlorhexidine+metronidazole
Chlorhexidine+metronidazole is a specialised oral topical medication prescribed to treat bacterial infections in the mouth, such as gum disease and mouth ulcers. It helps reduce swelling, redness, and discomfort in the oral cavity by targeting the harmful microbes that cause these issues. This medicine is designed specifically to help restore and maintain your overall oral health.
To get the best results, you must use Chlorhexidine+metronidazole exactly as directed by your healthcare provider. For maximum effectiveness, do not eat, drink, or brush your teeth immediately after applying this medication. Combining this treatment with regular, gentle brushing and flossing can significantly speed up your recovery.
While using Chlorhexidine+metronidazole, you may experience mild and temporary side effects, such as a metallic taste in your mouth or slight irritation. However, if you experience severe burning, swelling of the mouth, or signs of an allergic reaction, stop using it immediately and contact your doctor. Always seek professional advice if you notice any unusual symptoms during your treatment.
Do not take this if you have a known allergy to any of the active ingredients in Chlorhexidine+metronidazole. Before starting this medication, tell your doctor if you have a history of blood disorders, nerve problems, or liver damage. This helps ensure the medicine is safe and appropriate for your specific health profile.
Although this medicine is applied locally in the mouth and only small amounts usually enter the bloodstream, interactions associated with metronidazole may still be a concern if significant amounts are swallowed. Inform your doctor about all medicines you are taking and discuss alcohol use during treatment. If you are pregnant, planning to become pregnant, breastfeeding, or an older adult, consult your doctor before using this medicine.
Uses of Chlorhexidine+metronidazole
• Treatment of bacterial infections: Chlorhexidine+metronidazole has an antibacterial effect that reduces symptoms of bacterial infections in dental disorders, including redness, swelling, and inflammation.
• Gingivitis: To treat gingivitis, Chlorhexidine+metronidazole reduces bacterial infection, swelling, and pain.
• Dental plaque: Chlorhexidine+metronidazole works effectively in controlling dental plaque and reduces bacterial growth and associated infections, leading to healthier gums and teeth.
Medicinal Benefits
Chlorhexidine+metronidazole helps treat bacterial infections of the gums and oral tissues by reducing harmful bacteria and supporting the healing process.
- Reduces Gum Infection: Helps eliminate bacteria responsible for gum infections and other oral infections.
- Relieves Oral Discomfort: Helps reduce pain, swelling, tenderness, and bleeding associated with infected gums.
- Supports Oral Healing: Promotes healing of affected gum tissues by controlling infection and inflammation.
- Provides Long-Lasting Antibacterial Protection: The active ingredients remain on the teeth and gums for an extended period, helping control bacterial growth between applications.
- Helps Prevent Infection Spread: Reduces the risk of the infection spreading to deeper oral tissues and surrounding areas.
Directions for Use
Follow these step-by-step instructions to ensure you use Chlorhexidine+metronidazole correctly and safely:
- Rinse your mouth gently with water to clear away any loose food particles before application.
- Apply the prescribed amount of gel or solution to the affected areas of your gums or mouth using a clean finger, a soft toothbrush, or a cotton swab.
- Do not swallow the medication; spit out any excess gel or liquid after application.
- Avoid rinsing your mouth, drinking water, or eating meals for at least 30 minutes after using the medicine to allow it to work effectively.
Always follow your doctor's exact instructions regarding how much to use and how often to apply it.
Storage
Side Effects of Chlorhexidine+metronidazole
Common Side Effects (Usually mild)
- A temporary change in your sense of taste or a bitter/metallic taste
- Mild, temporary staining of the teeth, tongue, or dental restorations
- A mild burning or tingling sensation in the mouth immediately after application
- Dry mouth or throat irritation
Serious Side Effects (Consult your doctor right away)
- Signs of a severe allergic reaction, such as a skin rash, hives, or swelling of the face, lips, tongue, or throat
- Severe, persistent burning or painful peeling of the skin inside your mouth
- Difficulty breathing or severe dizziness
Medicines Containing this Salt
View AllDrug Warnings
- Check Before Use: Inspect the packaging before use and do not use the product if the safety seal is broken, damaged, or if the gel appears discoloured.
- Avoid Contact with Eyes: Keep the medicine away from your eyes. If accidental contact occurs, rinse thoroughly with plenty of clean water.
- Do Not Share the Medication: Do not share Chlorhexidine+metronidazole with others, even if they have similar oral symptoms.
- Monitor Your Symptoms: Consult your dentist or doctor if your symptoms do not improve after a few days of regular use or if they become worse.
Drug Interactions
Drug-Drug Interactions
Because Chlorhexidine+metronidazole is used locally in the mouth, systemic absorption is generally low. However, clinically relevant interactions may occur if significant amounts are swallowed or absorbed. Inform your doctor if you are taking any of the following medicines:
- Blood thinners: Using Chlorhexidine+metronidazole alongside medications like warfarin may increase the risk of bleeding. Your doctor may need to monitor your blood clotting times closely.
- Disulfiram: Taking this medication with disulfiram may cause serious mental disturbances, including severe confusion, hallucinations, or unusual behaviour. Avoid using them together unless advised by your doctor.
Drug-Food Interactions
Certain foods and beverages may affect how Chlorhexidine+metronidazole works or increase the risk of side effects:
- Alcohol: Although the risk is lower with topical oral use than with oral metronidazole tablets, avoiding alcohol during treatment is recommended. If significant amounts of the medicine are swallowed, alcohol may increase the risk of unpleasant effects such as flushing, headache, nausea, or vomiting.
Drug-Disease Interactions
Inform your doctor if you have any of the following conditions before using Chlorhexidine+metronidazole, as additional monitoring may be required:
- Liver disease: If you have severe liver damage, your body may process this medication much slower, increasing the risk of side effects.
- Nervous system disorders: Use this medicine with caution if you have a history of neurological conditions, as some ingredients may cause numbness or tingling.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
cautionPlease consult your doctor for more information on consuming alcohol while being treated with Chlorhexidine+metronidazole.
Pregnancy
cautionChlorhexidine+metronidazole should be used during pregnancy only when prescribed by the doctor. Please consult your doctor before taking Chlorhexidine+metronidazole if you are pregnant or planning to conceive.
Breast Feeding
cautionPlease consult your doctor before taking Chlorhexidine+metronidazole if you are breastfeeding.
Driving
safe if prescribedChlorhexidine+metronidazole usually does not interfere with your driving ability.
Liver
safe if prescribedChlorhexidine+metronidazole can be given in case of any liver impairment or problem.
Kidney
safe if prescribedChlorhexidine+metronidazole can be given in case of any kidney impairment or problem.
Children
cautionChildren below the age of 12 years should not use Chlorhexidine+metronidazole. In children above the age of 12 years, Chlorhexidine+metronidazole should be taken only if prescribed by a child specialist.
Habit Forming
Diet & Lifestyle Advise
- Avoid alcohol completely: Do not consume alcohol during your treatment and for at least three days after your final dose to prevent severe nausea, vomiting, and headaches.
- Practice good oral hygiene: Brush your teeth twice a day with a soft-bristled brush and floss daily, but be extremely gentle around infected or inflamed gums.
- Limit sugary foods: Reduce your intake of sugary snacks and acidic drinks, as these can feed harmful mouth bacteria and slow down your healing process.
- Stay hydrated: Drink plenty of water throughout the day to help wash away food debris and keep your mouth moist, but remember to wait 30 minutes after applying Chlorhexidine+metronidazole before drinking.
Patients Concern
Disease/Condition Glossary
Gingivitis: It is a periodontal or gum disease with swollen and bleeding gums which can be caused due to various bacteria. If left untreated can lead to periodontitis and eventually loss of teeth. Its signs and symptoms include bleeding from gums, swollen gums, a loose tooth and sometimes foul oral smell. Fusobacterium, Lachnospiraceae, Lautropia, Prevotella oulorum and Rothia dentocariosa are some of the bacterias which cause dental and gum problems.
FAQs
Chlorhexidine+metronidazole is used for the treatment of gum diseases like gum inflammation (gingivitis) and prevention of dental plaque.
Chlorhexidine+metronidazole contains Metronidazole and Chlorhexidine. It kills oral bacteria that cause plaque and forms a protective antibacterial layer over gums and teeth for the prevention of plaque formation. As a result, it helps in maintaining good oral and dental hygiene.Â
A bitter taste may be one of the side effects of Chlorhexidine+metronidazole. It is temporary and usually gets resolved after you stop using the medicine.
Brush your teeth twice a day with a soft-bristled brush. floss your teeth once a day to remove the plaque between your teeth. Do not skip your dental appointments and always use the medications as prescribed. Limit smoking and chewing tobacco. Having a professional dental cleaning twice a year can effectively manage and prevent various gum diseases.
If you miss a dose, take it as soon as you remember. However, if it is time for the next scheduled dose, skip the missed dose and follow your usual dosage.
Store Chlorhexidine+metronidazole in a cool place. Protect from light. Do not freeze. Keep it out of reach of children. Chlorhexidine+metronidazole should be disposed, by following local guidelines or asking your pharmacist how to properly dispose of any unused medicine.
Chlorhexidine+metronidazole causes side effects such as bitter taste, burning sensation, irritation, dryness, staining of teeth and metallic taste. Please consult a doctor immediately if any of these side effects persist longer.
Because Chlorhexidine+metronidazole is applied locally in the mouth, the risk of alcohol-related interactions is lower than with oral metronidazole tablets. However, avoiding alcohol during treatment is generally recommended, particularly if there is a possibility of swallowing the medicine. Talk to your doctor if you have questions about alcohol use while receiving treatment.
Chlorhexidine+metronidazole may cause temporary staining of the teeth, tongue, or dental fillings. This staining is usually harmless and can be removed by your dentist during a professional cleaning. Talk to your doctor or dentist if you are concerned about discolouration.
You should avoid eating, drinking, or rinsing your mouth for at least 30 minutes after applying the medication. This ensures that the active ingredients stay on your gums and teeth long enough to work effectively. Talk to your doctor for specific instructions.
You should only use Chlorhexidine+metronidazole during pregnancy if your doctor determines that the benefits outweigh the potential risks. Always discuss your pregnancy status with your healthcare provider before starting this treatment. Talk to your doctor for personalised advice.
Swallowing a tiny amount during normal oral application is generally harmless. However, if a large quantity is swallowed, it can cause stomach upset or more serious issues. Contact your doctor or seek emergency medical help immediately in such cases.
No, Chlorhexidine+metronidazole is specifically formulated to treat localised gum infections, dental plaque, and mouth ulcers. It is not designed to treat deep throat infections or systemic illnesses. Talk to your doctor to get an appropriate prescription for a throat infection.
Many patients begin to feel relief from swelling and discomfort within a few days of consistent use. However, you must complete the full course of treatment prescribed by your doctor, even if your symptoms disappear early. Talk to your doctor if your condition does not improve.
Yes, you can continue to brush with your regular toothpaste, but do not do so immediately after applying Chlorhexidine+metronidazole. Keep a gap of at least 30 minutes between brushing your teeth and applying this medication so it does not wash away. Talk to your doctor or dentist for optimal oral care tips.

