Broad-spectrum antibiotic
Broad-spectrum antibiotic
Broad-spectrum antibiotics (pronunciation: /ˈbrɔːd ˈspɛktrəm æntɪbaɪˈɒtɪk/) are a type of antibiotic that has activity against a wide range of bacteria.
Etymology
The term "broad-spectrum" is derived from the English words "broad" meaning wide or extensive, and "spectrum" meaning a range of different positions, opinions, etc. within a general category. The term "antibiotic" is derived from the Greek words "anti" meaning against, and "bios" meaning life.
Definition
Broad-spectrum antibiotics are capable of inhibiting a wide variety of microorganisms, including both Gram-positive bacteria and Gram-negative bacteria. They are often used when the specific bacteria causing an infection are unknown or when a mixed infection is suspected.
Examples
Examples of broad-spectrum antibiotics include Amoxicillin, Ciprofloxacin, and Tetracycline. These antibiotics are often used to treat a variety of infections, including respiratory tract infections, urinary tract infections, and skin infections.
Related Terms
- Narrow-spectrum antibiotic: An antibiotic that is effective against a limited range of bacteria.
- Bactericidal: An agent that kills bacteria.
- Bacteriostatic: An agent that inhibits the growth of bacteria.
See Also
External links
- Medical encyclopedia article on Broad-spectrum antibiotic
- Wikipedia's article - Broad-spectrum antibiotic
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