Benzocaine and Lidocaine are very similar medications with the same mechanism of action. Premature ejaculation is when ejaculation occurs sooner than desired during sex. Premature ejaculation should not be a cause for concern, however, it can be frustrating and make sex less enjoyable.
When the penis is sexually stimulated, nerves in the penis send signals to the brain and spinal cord. The ejaculation reflex is triggered when a certain level of stimulation and arousal is reached. The brain also plays a part in the triggering ejaculation, independent of genital stimulation.
Benzocaine and Lidocaine work by desensitizing the skin of the penis, thereby blocking or reducing stimulation and signaling. This in turn delays ejaculation, leading to a longer duration of sexual intercourse.
Lidocaine is a stronger anesthetic than Benzocaine. According to FDA regulations, Benzocaine products can have a maximum concentration between 3% to 7.5%. Lidocaine products are carefully regulated due to potential toxicity. Lidocaine can only be sold in an 11mg dose-metered bottle, and there is a limit of 10 sprays or doses of Lidocaine per use. There is no limit on the amount of Benzocaine that can be applied, and it’s effectiveness depends on the amount used.
The effect of Benzocaine or Lidocaine will differ from patient to patient. In order to determine which product suits you best, you should consider trying both. Generally, Lidocaine is more effecive than Benzocaine in treating premature ejaculation.
Reviewed by Dr Roy Kedem, MD
Information last reviewed 07/12/21