Benzocaine
Indications
Benzocaine is used for:
Pain due to minor injury, irritation of the mouth and gums like, toothache, sore gums, canker sores, braces, minor dental procedures, dentures.
Adult Dose
Dental/Gum Pain/Cold Sores
Apply to gum/oral mucosa, allow to remain in place for 1 minute, then expectorate
May apply up to 4 times/day; not to exceed 7 days
Child Dose
Child:
Teething
2 years or older: Apply to gum/oral mucosa, allow to remain in place for 1 minute, then expectorate
May apply up to 4 times/day; not to exceed 7 days
Renal Dose
Administration
Contra Indications
Hypersensitivity.
Precautions
Avoid: Contact with eyes; prolonged use or application on extensive areas. Avoid eating or drinking for at least 1 hr after use;
Pregnancy-Lactation
Pregnancy category: C
Lactation: Excretion in milk unknown; use with caution
Interactions
Antagonism with sulfonamides; aminosalicylic acid; anticholinesterases; suxamethonium; antiarrhythmics; MAOIs; TCAs.
Adverse Effects
Side effects of Benzocaine :
Frequency Not Defined
Burning
Contact dermatitis
Erythema
Pruritus
Rash
Stinging
Tenderness
Mechanism of Action
Benzocaine is a local anaesthetic which acts by preventing the generation and transmission of impulses along nerve fibers and at nerve endings. Depolarisation and ion-exchange are inhibited. In general, loss of pain occurs before loss of sensory, autonomic and motor functions.