Doxycycline HYC treats bacterial infections such as respiratory tract infections, Lyme disease, acne, and urinary and genital infections, according to MedlinePlus. This medication also treats malaria and is in a class of medications known as tetracycline antibiotics.
Doxycycline is available in a number of forms, including tablets, capsules, syrup and liquid, all of which are oral medications, explains MedlinePlus. Typically, patients take one to two doses of this medication per day with a full glass of water, but it is also acceptable to use food or milk, especially if experiencing an upset stomach. It is important to take doxycycline exactly as the directions state in order to avoid an upset stomach.
Some minor side effects when taking doxycycline include sore mouth, itching and diarrhea, states MedlinePlus. Some side effects of doxycycline are serious, however, and these include headaches, blurry vision, hives and vomiting. Other serious side effects of doxycycline are confusion, tiredness, yellowing of the eyes, dark-colored urine and loss of appetite. If a patient is experiencing any of these serious side effects, it is necessary to contact a doctor.
Some of the brand names of doxycycline include Doryx, Monodox and Oracea, notes MedlinePlus. Other brands of doxycycline are Periostat and Vibramycin, as well as the generic versions of Doxychel and Vibra-Tabs.