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Lignocaine is the name given to the drug lidocaine hydrochloride monohydrate.

Lignocaine is a clear, colourless, sterile, isotonic, preservative-free solution, administered via injection. This drug is classified as a local anaesthetic and antiarrhythmic drug.

Lignocaine can sometimes be administered to regulate an irregular heart rate but generally it is used to numb a small area on the body prior to relatively minor surgeries.  Local anaesthesia has made it possible for surgery to be performed safely and painlessly while the patient is awake by numbing the area around which it is administered. Unlike general anaesthetic, local anaesthetic offers fewer side effects and a shorter recovery period.



Lignocaine is a prescription only drug and must be administered by a doctor. It is given via injection directly into the blood stream or organ.

It is important not to drink alcohol when being given Lignocaine as this may cause blood pressure to drop.


Side effects include:

  • Weakness, confusion, nervousness, agitation
  • Drowsiness, unconsciousness, disorientation
  • Nausea, vomiting
  • Dizziness, headaches, light-headedness
  • Numbness, tremors, twitching
  • Low blood pressure
  • Slow heartbeat
  • Difficulty breathing.



Lignocaine Injection contains 10 mg/ mL or 20 mg/mL lidocaine (lignocaine) hydrochloride monohydrate as the active ingredient and sodium chloride and water for injections as the excipients. It does not contain a preservative