Penicillin V

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Penicillin V

Penicillin V (pronounced: pen-i-sil-in five), also known as phenoxymethylpenicillin, is an antibiotic used to treat a variety of bacterial infections. It is a member of the penicillin family of antibiotics, which also includes penicillin G, amoxicillin, and ampicillin.

Etymology

The term "penicillin" comes from the Penicillium genus of fungi, from which the antibiotic was first isolated. The "V" in Penicillin V stands for "verum," which is Latin for "true" or "genuine." This distinguishes it from other types of penicillin.

Usage

Penicillin V is used to treat a variety of bacterial infections, including streptococcal infections, pneumococcal infections, and staphylococcal infections. It is also used to prevent rheumatic fever and chorea, which can occur as complications of streptococcal infections.

Mechanism of Action

Penicillin V works by inhibiting the synthesis of peptidoglycan, a key component of the bacterial cell wall. This causes the cell wall to weaken and eventually rupture, leading to the death of the bacteria.

Side Effects

Common side effects of Penicillin V include nausea, vomiting, diarrhea, and allergic reactions. In rare cases, it can cause serious side effects such as anaphylaxis, a severe allergic reaction.

Related Terms

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