At the same time, acquired resistance is not taken into account, as a result, for example, tetracyclines, which in the first years of use were active against most clinically significant microorganisms rx online pharm canada, have now lost a significant part of their activity spectrum precisely because of the development of acquired resistance in pneumococci, staphylococci, gonokokkov, enterobacteria. III generation cephalosporins are usually considered as drugs with a wide spectrum of activity, but they do not act on MRSA, many anaerobes, enterococci, listeria, atypical pathogens, etc.
This is a general list, but there are a lot of antibiotics, and each has its own characteristics of administration. For example, some groups of antimicrobial drugs should not be given to children and pregnant women. Some tablets should be taken three times a day, while others should be taken only once. Some antibiotics are used only before meals and not mixed with milk, some after food and mixed with anything. Therefore, be sure to read the instructions and consult a doctor before you buy the drug:canadaonpharm.com.