Prescription requiredLocal anesthetic

Xylocaine 2% Injection — Side Effects & Warnings

Known side effects of Xylocaine 2% Injection include Injection site pain/redness, numbness/tingling, dizziness, drowsiness, nausea, low blood pressure, slow heart rate, tremor, ringing in ears, metallic taste. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

Common Side Effects

Injection site pain/redness
numbness/tingling
dizziness
drowsiness
nausea
low blood pressure
slow heart rate
tremor
ringing in ears
metallic taste

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

For use under medical supervision only. Do not exceed recommended dose; systemic toxicity can occur with accidental intravascular injection or overdose (CNS excitation/seizures, respiratory depression, cardiac arrhythmias/cardiac arrest). Use with caution in hepatic impairment, elderly, debilitated patients, heart block/bradycardia, severe shock, and patients on antiarrhythmics. Avoid use in known hypersensitivity to amide-type local anesthetics. Resuscitation equipment and monitoring should be available.

Drug Interactions

Xylocaine 2% Injection may interact with the following:

Other local anesthetics (additive toxicity)
class I antiarrhythmics (e.g.
mexiletine
procainamide) and amiodarone (additive cardiac effects)
beta-blockers (e.g.
propranolol) and cimetidine (may increase lidocaine levels)
CYP inhibitors
sedatives/CNS depressants (increased CNS effects)

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution (generally considered safe when used locally at recommended doses; consult doctor)

Alcohol Interaction

Use with caution (alcohol may increase dizziness/drowsiness; avoid around procedure)

Habit Forming

Storage

Store below 25°C. Protect from light. Do not freeze. Keep in original pack; use only if solution is clear and container is intact.

Xylocaine 2% Injection — Safety Summary

Composition: Lignocaine (2%w/v)
Prescription: Required (Rx)
Pregnancy: Use with caution (generally considered safe when used locally at recommended doses; consult doctor)
Alcohol: Use with caution (alcohol may increase dizziness/drowsiness; avoid around procedure)
Habit forming: No

Xylocaine 2% Injection — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

Get help from a doctor

Consult a doctor

Discuss side effects with a qualified doctor online.

View all medicines

Full product details for Xylocaine 2% Injection.

Lab tests

Book tests to monitor your health while on medication.

Sick leave certificate

Unwell and need rest? A doctor can issue a leave certificate online, from ₹499.

Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

Xylocaine 2% Injection — Side Effects & Warnings

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026