Doxycycline: What Are The Possible Side Effects Of Doxycycline

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What are the possible side effects of doxycycline?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using doxycycline and call your doctor at once if you have any of these serious side effects:

• severe headache, dizziness, blurred vision;
• fever, chills, body aches, flu symptoms;
• severe blistering, peeling, and red skin rash;
• urinating less than usual or not at all;
• pale or yellowed skin, dark colored urine, fever, confusion or weakness;
• severe pain in your upper stomach spreading to your back, nausea and vomiting, fast heart rate;
• loss of appetite, jaundice (yellowing of the skin or eyes); or
• easy bruising or bleeding, unusual weakness.

Less serious side effects may include:

• swollen tongue, trouble swallowing;
• mild nausea, vomiting, diarrhea, or stomach upset;
• white patches or sores inside your mouth or on your lips;
• sores or swelling in your rectal or genital area; or
• vaginal itching or discharge.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

Last updated:	March 24, 2008