Benzocaine
Benzocaine Information

About Benzocaine

Benzocaine is a weak local anaesthetic similar to lignocain, used in proprietary preparations for sore throat. Benzocaine is insoluble ester type local anesthetic. It consist of an aromatic ring connected by an intermediate chain to an ionizable group, usually a tertiary amine. Applied topically to the skin and mucous membranes.

Indications

Benzocaine is primarily indicated in conditions like Abrasion, Burns, Canker sores, Insect bites, Otitis externa, Otitis media, Pruritus, Rectal fissures, Rectal pain, Sore throat, Toothache.

Contraindication

Benzocaine is contraindicated in conditions like Bacterial infections,Opthalmologic anaesthesia.

Side Effects

The severe or irreversible adverse effects of Benzocaine, which give rise to further complications include Sinus tachycardia, Angioedema, Seizures, Methemoglobinemia, Sinus bradycardia.The symptomatic adverse reactions produced by Benzocaine are more or less tolerable and if they become severe, they can be treated symptomatically, these include Dizziness, Headache, Drowsiness, Anxiety, Restlessness, Urticaria, Photosensitivity, Burning, Tremor, Edema, Contact dermatitis, Stinging on application, Urethritis, Tenderness.

Warnings

Avoid continuous use for longer than 3 months. Avoid use in patient with known hypersensitivity. It should be given with caution to the elderly, to debilitate, to children, patients with epilepsy, impaired cardiac conduction or respiratory function, shock or liver damage. It might be ototoxic and should not be instilled into the middle ear. The application of local anesthetics to the skin for prolonged period or to the extensive area should be avoided.

High Risk Groups

Drug should not be given to Pregnant Mothers, and Neonates.If prescribing authority justifies the benefits of the drug against the possible damages he/she should reevaluate them and consult the reference material and previous studies.