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prophylactically
[ proh-fuh-lak-tik-lee, prof-uh- ]
adverb
- preventively or protectively, as against a disease or infection:
You don't need to be given antibiotics prophylactically unless your symptoms meet certain criteria.
Word History and Origins
Origin of prophylactically1
Example Sentences
Authorized by the FDA for emergency use, it’s given prophylactically and can help recipients prevent COVID-19 if they are later exposed to an infected person.
In many countries they are distributed without prescriptions and administered in factory farming: prophylactically to prevent infections and enhance performance.
The investigational monoclonal antibody could potentially be used prophylactically to prevent or better control EBV infections in such cases, the investigators note.
They are used prophylactically, with health care workers aware that their patients are vulnerable to infection due to poor conditions, and may be unable to finish a full course of antibiotics or receive follow-up care.
"In fact, there are no reported cases of atovaquone resistance when the drug has been given prophylactically," she says.
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