Ribavirin (Copegus�, Rebetol�, Virazole�): Chronic Hepatitis C
Give several examples of antifungal drugs.
A bacteriostatic antibiotic inhibits reproduction of the organism, but does not kill the bacteria.
A bactericidal antibiotic kills the offending bacteria.
Spectrum of Activity
The different types of bacteria an antibiotic is active against. Most antibiotics are active against primarily gram (+) bacteria or primarily gram (-) bacteria. However, some newer agents offer coverage against both.
Some bacteria are able to produce substances that destroy antibiotics before they are able to kill the bacteria. When this happens, we say the bacteria is no longer susceptible to the agent or it has become resistant.