How to use Doxycycline Hyclate. This medication is best taken by mouth on an empty stomach, at least 1 hour before or 2 hours after a meal, usually 1 or 2 times daily or as directed by your doctor. Doxycycline demonstrates a wide range of action as an antibiotic drug. Therefore, Doxycycline is used as one of the primary drugs for the treatment of infectious diseases. Doxycycline Hyclate 100mg is semisynthetic antibiotic of the tetracycline group of the broad spectrum of action, which has a bacteriostatic effect. Doxycycline is an antibiotic that is used in the treatment of infections caused by bacteria and certain other parasites. It is used for to treat bacterial pneumonia, acne, chlamydia infections, early Lyme disease, cholera, and syphilis. It is also used to prevent malaria and in combination with quinine, to treat malaria. Doxycycline can be used. A doctor may prescribe 100 mg doxycycline hyclate to treat various types of bacterial infections. This eMedTV Web article provides a brief overview of doxycycline hyclate dosing guidelines, including tips on when and how to use this antibiotic. To reduce the development of drug-resistant bacteria and maintain the effectiveness of Doxycycline Hyclate and other antibacterial drugs Doxycycline Hyclate capsules should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. Doxycycline is a tetracycline antibiotic that fights bacteria in the body. Doxycycline is used to treat many different bacterial infections, such as acne, urinary tract infections, intestinal infections, respiratory infections, eye infections, gonorrhea, chlamydia, syphilis, periodontitis (gum disease), and others. Doxycycline hyclate (Vibramycin, Periostat, Vibra-Tabs, Acticlate, Morgidox) is a moderately priced drug used to treat many kinds of infections, like dental, skin, respiratory, and urinary tract infections. Doxycycline should not be taken while consuming alcohol. If this rule is not observed, it is possible that adverse events will be experienced, which involve dangerous symptoms and abnormal nervous system function. This may include lack of coordination, dizziness, headaches, migraine headaches, nausea, and/or vomiting. Doxycycline has a wide spectrum of action. Doxycycline can be used in case of suspicion or detection of atypical flora in sinusitis.