How strong is doxycycline?

Doxycycline is a antibiotic in the tetracycline class. It is used for a wide variety of infections as it possesses strong widespread antibacterial resistance. It is definitely one of the stronger antibiotics, ands comparable in strength to the quinolones for some infections. The "strongest" and potentially most dangerous antibiotic that is usually reserved only for life threatening infections and given in a hospital setting orally or through iv is vancomycyin. All antibiotics regardless of strength attack certain bacterial strains so one that is regarded as stronger will not be effective in some conditions where a lesser antibiotic that does treat that condition likewise attacking that susceptible bacteria would. -John