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About Doryx

Doryx is a prescription antibiotic used to treat bacterial infections. It is taken orally and should be taken at least an hour or two after eating. It can be taken once or twice a day depending on the condition it is treating, and it should be taken with a glass of water. As with all antibiotics, it is important to take the entire prescription, even if symptoms disappear a few days after you start it.

  1. How It Works

    • Doryx is a tetracycline antibiotic that works by slowing the growth of bacteria in the body. When the growth is slowed, the immune system has a chance to kill the bacterial infection.

    Uses

    • In addition to being used to treat bacterial infections, Doryx can be used to treat acne and infections caused by amoebas. It is also an antimalarial drug and can be given to people who are going to travel to areas where malaria is a problem.

    Side Effects

    • Some people taking Doryx experience nausea and vomiting, loss of appetite and sensitivity to sunlight. None of these is cause for serious concern. However, in rare cases, some people taking Doryx may develop side effects that indicate a potential problem has developed that may need treatment. Notify your doctor if you experience any of the following: chest pain; fever, chills or sore throat; stomach pain or cramps; vision changes; jaundice; bloody stools; dark urine; severe sunburn; decreased urination; severe headaches; unusual fatigue or joint pain; decreased urination; unusual bleeding or bruising; vaginal irritation; or difficulty swallowing.

    Warnings

    • Doryx may not be safe for people with esophageal problems, including a hiatal hernia or acid reflux. Because it may increase sensitivity to sunlight, users should take extra precautions when spending time in direct sunlight and avoid tanning booths. Doryx is also not safe for pregnant women.

    Drug Interactions

    • Doryx is known to interfere with the effectiveness of other drugs, and other drugs may interfere with Doryx's effectiveness. Barbituates, hydantoins, carbamazepine and iron pills can reduce Doryx's effectiveness. Other drugs, including anticoagulants, digoxin, methotrexate, methoxyflurane, acitretin and isotretinoin, can increase the likelihood of experiencing the negative side effects of Doryx.

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