Treatment of chronic bronchitis, sinusitis. Streptococcus pneumoniae, Haemophilus influenzae, Klebsiella pneumoniae and other organisms. Pneumonia and other lower respiratory tract infections due to susceptible strains of Infections caused by susceptible strains of Gram-positive and Gram-negative bacteria Date of first authorisation/renewal of the authorisationĭoxycycline has been found clinically effective in the treatment of a variety of
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