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Benzocaine is used to treat itching and irritation from conditions like insect bites, nettle stings, cuts and scrapes, skin chafe and external vaginal and anal itching. It is also used for treating pain and itching due to certain ear infections.

How it works

Benzocaine is an ester type local anesthetic which works by anesthetizing the sensory nerves under skin surface, thereby reducing the inflammatory sensation and reducing an urge to itch.

Common side effects

Allergy, Flushing, Allergic skin rash


No medicine available

Expert advice

  • Do not use benzocaine if you are allergic (hypersensitive) to benzocaine or any other ingredients in formulation.
  • Avoid using benzocaine on broken skin or on large area of body.
  • Do not use benzocaine if you have high levels of blood pigments; if you are taking cholinesterases or sulphonamides.
  • Do not use benzocaine if you are pregnant or planning to become pregnant or breast feeding.

Frequently asked questions


 Q. Does benzocaine heal cold sores/numb mouth/kill sperm/make person sleepy?
Benzocaine can soothe cold sores and numb mouth. It doesn’t however kill sperms or make a person sleepy.
Q. Is benzocaine safe?
Benzocaine is safe when used at prescribed dose and duration as advised by your doctor.
Q. Is benzocaine stronger than lidocaine?
Benzocaine and lidocaine both belong to the same class of medicines having similar therapeutic action. Individual responses to these medicines might vary.
Q. Does benzocaine get you high?
Benzocaine has abuse potential. It should never be used for recreational activities.
Q. Does benzocaine delay ejaculation?
Benzocaine is used in condoms to prolong the duration of sex and hence ejaculation. It must be used as advised by the doctor.

Content on this page was last updated on 18 October, 2016, by Dr. Varun Gupta (MD Pharmacology)