What is Orajel Mouth Gel?
Orajel Mouth Gel is a topical gel used for short-term relief of pain and tenderness in the mouth. It contains benzocaine 10% w/w, a local anaesthetic that works by numbing the affected area to reduce discomfort.
It is used to temporarily reduce pain caused by:
- Mouth ulcers
- Discomfort from wearing dentures
Who is Orajel Mouth Gel suitable for?
This product is available without a prescription. If you are unsure, speak to a pharmacist.
Suitable for:
- Adults
- Children aged 12 years and over
Not suitable for:
- Children under 12 years
- Anyone allergic to benzocaine or any of the ingredients
- Anyone with a history of methaemoglobinaemia
- Anyone taking sulphonamide antibiotics (e.g., co-trimoxazole)
If you are pregnant or breastfeeding, speak to a pharmacist, doctor, or dentist before use.
How to use Orajel Mouth Gel
Use exactly as directed on the label or as advised by your pharmacist.
Typical use
- Clean and dry the affected area inside the mouth
- Using a clean finger, apply an amount of gel about the size of a green pea to the sore area
- Use up to 4 times a day
- Do not use continuously and do not use for more than 4 days at a time
- Avoid hot drinks whilst using this gel
If symptoms worsen or do not improve, speak to a doctor or dentist.
If you use more than you should, seek medical advice immediately and take the tube/pack with you.
How to store Orajel Mouth Gel
- Keep out of the reach and sight of children
- Do not use if the tube or pack is damaged
- Do not use after the expiry date on the packaging
Side effects
Like all medicines, this product can cause side effects, although not everyone gets them.
Common:
- Local irritation or stinging
Stop using and seek medical advice urgently if:
- Allergic reaction (burning, stinging, itching, redness, rash and/or swelling)
- Signs of methaemoglobinaemia (serious blood condition)
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Our Clinical Authors
This page has been written by a registered UK pharmacist and reviewed by our clinical team to ensure it is accurate, clear and reflects current clinical guidance.
Last medically reviewed: 07 July 2026
Last updated: 07 July 2026