How long do numbing treatments for lacerations last?

Doesn't that depend upon the following?

Depth of laceration
Specific numbing agent
Amount of numbing treatment administered
Patient susceptibility

depth - about half an inch

agent - i think i heard him say novocaine
amount- 5 shots at wound site
susceptibility - not known

this is not for homework but for my own knowledge - skip over me if you choose

To determine how long numbing treatments for lacerations last, we first need to understand the different types of numbing treatments that are commonly used. There are two main types: local anesthesia and topical anesthetics.

1. Local anesthesia: This type of numbing treatment involves injecting medication near the affected area to numb the nerves and prevent pain. The duration of local anesthesia depends on the specific medication used. Commonly used medications are lidocaine, bupivacaine, or a combination of both. Lidocaine typically provides short-term relief for about 1-2 hours, while bupivacaine can provide longer-lasting effects, up to 4-8 hours.

2. Topical anesthetics: These are applied directly to the skin surface and numb the area temporarily. Examples of topical anesthetics include lidocaine gel or cream. The duration of numbing with topical anesthetics is typically shorter, lasting about 30 minutes to 1 hour.

It is important to note that the duration of numbing treatments can vary depending on factors such as the individual's response to the medication, the location and severity of the laceration, and the specific numbing agent used. It is best to consult with a healthcare professional who can evaluate your specific situation and provide accurate information on how long the numbing effects are expected to last.