| Message: | 1.Tetracaine is a local anesthetic (numbing medicine). It works by blocking nerve signals in your body.
Tetracaine topical (for the skin) is used to numb different parts of the body before a medical test or procedure.
Tetracaine topical may also be used for purposes not listed in this medication guide.
2.Tetracaine is a topical local anesthetic for the eyes. Tetracaine works by interfering with entry of sodium ions into nerve cells. This reduces the ability of nerves to generate an impulse and send pain sensations.
3.Tetracaine is prescribed as local anesthetic before eye procedures like tonometry, gonioscopy, removal of corneal foreign bodies, and for short corneal and conjunctival procedures. Note that most patients are not prescribed tetracaine for home use because the drug may potentially mask symptoms that require early evaluation by an ophthalmologist.
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