What are tetracaine dermal patches?

Patches. For newborns it is used for the site on venipuncture (heel) which is painful. Reason is Lidocaine (another good pain med) gets absorbed, tetracaine is only locally affecting the nerve endings in the skin without blood absorption (good for the neonatal, their liver being less functional). Same for the adults.
Tetracaine. Lidocaine; tetracaine (synera™) causes loss of feeling in the skin and surrounding tissues. It is used to numb the skin before a procedure. Generic lidocaine; tetracaine patches are not available.

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