Anonymous asked:
Hi there, I was wondering: Imagine characters in a remote setting, one of them injured and the wound (of course) gets infected. They have or find some antibiotics, but those are labeled for some other use: against infections of bowels/teeth/whatever. Would taking them do good or harm, or nothing at all? Thank you and congrats on your graduation!
Hi anon,
Good question!
Antibiotics are chemicals (either sourced from the environment or synthetically produced) that can kill bacteria inside an animal or human without killing the animal or human taking them.
There are many different types of antibiotics, and each antibiotic has a specific list of bacteria that it can kill. In theory, you’re only going to be able to know the best antibiotic by taking a sample of the infected wound and sending it to a lab to be grown and identified, then evaluated for resistance to available antibiotics.
Unless a patient is in a hospital for an infection, however, it’s unlikely a doctor would go through the trouble of collecting and sending a sample. Most of the time, a doc will pick an antibiotic based on the most likely culprit, or at least give an antibiotic with a long list of bacteria that it can kill (called a “broad spectrum” antibiotic), which would have a high chance of working against many types of bacteria.
For example, bacteria that most commonly infect acute (new, short-term) wounds are bacteria that are found normally on human skin- generally a few different kinds of streps and staphs. They may also have some bacteria from the environment (though this is rarer, considering that most bacteria that evolved to live in dirt don’t do well in wounds). Frequently given antibiotics for infections in acute wounds include amoxicillin-clavulanate, clindamycin, and cephalexin, which can kill most of the common bacteria that would commonly get in a fresh wound and be able to live and multiply there.
If you give the wrong antibiotic, generally it’s just not going to work.
However, like all medications, antibiotics have side effects. Most of the time these are gastrointestinal in nature- nausea/vomiting or diarrhea. However, some people are very allergic to certain antibiotics, especially those that contain sulfa and penicillins. So if your whumpee has side effects or it turns out they are (mildly) allergic, they would want to weigh the potential benefit of treating the infection vs the risk of making the situation overall worse.
Hope that helps!
And thanks for the congrats!

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