What Is Doxycycline Hyclate?


Quick Answer

Doxycycline hyclate is a tetracycline antibiotic that treats bacterial infections by stopping the growth of bacteria, which lets the body's immune system destroy the bacteria more readily, states Drugs.com. Common infections treated with the medicine include acne and certain types of amoeba infections.

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Doctors also use doxycycline hyclate to treat malaria or provide a defense against it for travelers who may be visiting countries with a high malarial infection rate, according to Drugs.com. Additionally, it may be used to slow the progression of anthrax after exposure.

Some of the most common side effects associated with the medicine are nausea, vomiting, upset stomach and diarrhea, according to WebMD. Additional side effects could also include a sensitivity to sunlight and loss of appetite, according to Drugs.com. In rare cases, the medicine may cause conditions such as intercranial hypertension and an intestinal condition called Clostridium difficile-associated diarrhea, states WebMD. If a patient develops conditions such as persistent nausea, blurred or double vision, stomach pain or blood in the stool, she should seek medical care as soon as possible.

Doxycycline hyclate can cause a severe allergic reaction, which requires immediate emergency treatment, states Drugs.com. Symptoms of this type of reaction include shortness of breath, swelling of the face or lips, difficulty breathing and hives.

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