Reserve antibiotic antibiotics, which are not considered for normal infections to the therapy, in order to prevent resistance development, are called.
Only with heavy infections with certain bacteria trunks so-called hospital germs (e.g. MRSA), insensitive to other antibiotics, these are used.
Under normal conditions first an exciter culture is put on, in which sensitivity to different antibiotics is tested (anti-bio gram). If the effectiveness of the substance were confirmed in this way, a therapy can take place, whereby to the fact it is paid attention that by premature abort the development of a resistance is not favoured.
An example of a reserve antibiotic is Vancomycin.