Novocaine 0.4% (Ophthalmic Solution)

10 ml drop: ৳ 50.00

Medicine Details

Indications

  • Temporarily numbs the front surface of the eye
  • Allows for eye pressure measurement
  • Facilitates removal of foreign body

Pharmacology

  • Local anaesthetic
  • Binds to sodium channels
  • Reversibly stabilizes neuronal membrane
  • Decreases membrane permeability to sodium ions
  • Inhibits depolarization of neuronal membrane
  • Blocks initiation and conduction of nerve impulses

Dosage & Administration

  • 0.4% solution for ophthalmic procedures
  • Instill 1 drop into the conjunctival sac for tonometry
  • Compress lacrimal sac to reduce systemic absorption
  • Anaesthesia for contact lens fitting
  • Anaesthesia for foreign body removal from corneal epithelium
  • Anaesthesia for incision of meibomian cyst through conjunctiva

Side Effects

  • Hypersensitivity reactions
  • Transient stinging and blurring of vision
  • Excitation of CNS
  • Muscle twitching and tremors
  • Convulsions

Pregnancy & Lactation

  • Pregnancy Category C
  • Potential benefit justifies potential risk to the foetus

Precautions & Warnings

  • Compress lacrimal sac to reduce systemic absorption
  • Avoid use in heart block, epilepsy, impaired cardiac conduction, myasthenia gravis
  • Avoid application to inflamed, infected tissues or damaged mucosa
  • Protect anaesthetised eye from dust and bacterial contamination
  • Prolonged application may damage cornea
  • Do not drive until normal vision restored

Therapeutic Class

  • Ocular perioperative drugs

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