Lignocaine 2% w/v gel is a topical local anesthetic medicine. Lignocaine 2% w/v gel is commonly used to treat oral ulcer. This medicine gives quick local relief by reducing pain sensation in the applied area. It comes with an applicator and the gel should not be swallowed 

This medicine works by blocking pain signals from the nerves to the brain, which temporarily numbs the area and decreases pain sensation. It usually starts working within a few minutes after application. Common side effects of Lignocaine 2% are burning, redness, itching, rash, or irritation at the application site, which are usually mild and short-lasting. Use with caution in people with allergic to local anesthetics. 

Lignocaine 2% w/v gel is an external medicine belonging to the class of Local anesthetic / Numbing medicine. Lignocaine 2% w/v gel is used to treat oral ulcer. 

1. Wash your hands before and after use  
2. Take a small amount of the medicine using the applicator  
3. Apply gently over the ulcer inside the mouth  
4. Do not rub harshly; just spread a thin layer  
5. Use 2–3 times daily or as advised by your doctor  
6. Avoid eating or drinking for 15–20 minutes after application  
7. Do not swallow large amounts of the medicine  
8. Close the tube tightly after use  

More Common  

1. Burning at application site  
2. Redness  
3. Itching  
4. Skin irritation  
5. Rash  
6. Mild stinging  
7. Temporary numbness  

Less Common 

1. Swelling at the application site  
2. Allergic reaction  
3. Severe irritation  
4. Skin sensitivity  
5. Dizziness (if too much is absorbed)  
6. Breathing difficulty      

Lignocaine 2% w/v gel helps reduce pain, burning, and irritation in oral ulcers by numbing the affected area inside the mouth. Lignocaine is a local anesthetic that works by blocking pain signals from the nerves to the brain. This makes the ulcer area temporarily numb and provides quick relief from pain and discomfort while eating, drinking, or speaking. 

Allergic Reactions

If you have ever had an allergic reaction to lignocaine / lidocaine or other local anesthetics such as rash, itching, swelling, or shortness of breath, inform your doctor before they prescribe this medicine.

Mouth / Throat use

If used inside the mouth or throat, do not eat or drink until the numbness goes away, as it may increase the risk of choking or accidentally biting the mouth. 

Pregnancy and Breastfeeding

Use only if necessary and prescribed, since effects on the unborn baby or infant are not fully known, so unnecessary exposure should be avoided. Should be used only under medical supervision.

There is no major food interaction when used on the skin.

Avoid taking Lignocaine 2% w/v with the following medicines, as it may increase or decrease the desired effect, or in worse cases, it could be fatal: 

IUPAC (International Union of Pure and Applied Chemistry) Name

Lignocaine: 2-(diethylamino)-N-(2,6-dimethylphenyl)acetamide 

Daily dose

Take Lignocaine 2% w/v exactly as your doctor recommends. The dose may change based on your condition and how well you respond. Do not take more than prescribed without consulting your doctor.

Missed Dose

If you forget to take your medicine, take the medication as soon as you remember. If it’s nearly time for your next dose, skip the missed one and continue with your regular schedule. Always consult the doctor before making any changes to your dosage. 

Overdose

It is not recommended to use Lignocaine 2% w/v gel in more than the prescribed amount. Using too much may cause excess numbness, burning, irritation, redness, rash, dizziness, or difficulty swallowing if used in the mouth or throat. In rare cases, it may also cause drowsiness, breathing problems, or heart-related side effects. Seek immediate medical attention if any of these occur.

1. Store the medicine at room temperature 
2. Keep away from sunlight and moisture 
3. Keep out of reach of children 

What are the uses of Lignocaine 2% w/v gel? 

Lignocaine 2% w/v gel is a local anesthetic that numbs an area of the body to reduce pain, itching, or discomfort. 

What side effects can Lignocaine 2% w/v gel cause? 

You may notice temporary burning, stinging, or redness where the drops are applied. Some people may feel tingling or numbness in the ear. 

What is the mechanism of action of Lignocaine 2% w/v gel?  

Lignocaine 2% w/v gel works by blocking sodium channels in the nerve cells. Sodium is needed for nerves to send signals, including pain signals, to the brain. By blocking sodium, Lignocaine 2% w/v gel prevents the nerve from sending pain messages, which makes the area numb. 

What are the contraindications of Lignocaine 2% w/v gel? 

Lignocaine 2% w/v gel should not be used in people who are allergic to lignocaine or other local anesthetic medicines. It should also be avoided on large broken skin areas, deep wounds, or severely damaged skin unless prescribed by a doctor. Use with caution in people with severe liver disease, serious heart rhythm problems, or if they are already using other lignocaine-containing medicines, as it may increase the risk of side effects. 

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