Doxycycline (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Incidence not known
  • Abdominal or stomach tenderness
  • Bloating
  • Clay-colored stools
  • Cough
  • Dark urine
  • Decreased appetite
  • Diarrhea
  • Diarrhea, watery and severe, which may also be bloody
  • Difficulty with swallowing
  • Dizziness
  • Fast heartbeat
  • Feeling of discomfort
  • Fever
  • Headache
  • Hives, itching, puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • Hives or welts
  • Increased thirst
  • Inflammation of the joints
  • Itching
  • Joint or muscle pain
  • Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • Loss of appetite
  • Nausea and vomiting
  • Numbness or tingling of the face, hands, or feet
  • Pain
  • Rash
  • Redness and soreness of the eyes
  • Redness of the skin
  • Shortness of breath
  • Sore throat
  • Sores in the mouth
  • Stomach cramps
  • Stomach pain or tenderness
  • Swelling of the feet or lower legs
  • Swollen lymph glands
  • Tightness in the chest
  • Unusual tiredness or weakness
  • Unusual weight loss
  • Wheezing
  • Yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known
  • Back, leg, or stomach pains
  • Black, tarry stools
  • Bleeding gums
  • Blood in the urine or stools
  • Blurred vision
  • Bulging soft spot on the head of an infant
  • Change in the ability to see colors, especially blue or yellow
  • Chest pain, discomfort, or burning
  • Chills
  • Cracks in the skin
  • Decrease in vision
  • Difficulty breathing
  • Discoloration of the thyroid glands
  • Double vision
  • General body swelling
  • Heartburn
  • Increased sensitivity of the skin to sunlight
  • Loss of heat from the body
  • Lower back or side pain
  • Nosebleeds
  • Pain or burning in the throat
  • Pain with swallowing
  • Painful or difficult urination
  • Pale skin
  • Pinpoint red spots on the skin
  • Rash with flat lesions or small raised lesions on the skin
  • Red, swollen skin
  • Redness or other discoloration of the skin
  • Redness, swelling, or soreness of the tongue
  • Scaly skin
  • Severe nausea
  • Severe stomach pain
  • Severe sunburn
  • Sores, ulcers, or white spots on the lips or tongue or inside the mouth
  • Unusual bleeding or bruising
  • Vomiting blood

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions
DR601831 Portions of this document last updated: Nov. 1, 2011

Source: Drug Information provided by: Micromedex

Copyright © 2012 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

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