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Generic Name: doxycycline

It kills certain bacteria or stops their growth
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What is this medicine?

DOXYCYCLINE (dox i SYE kleen) is a tetracycline antibiotic. It kills certain bacteria or stops their growth. It is used to treat many kinds of infections, like skin, stomach, respiratory, and urinary tract infections. It also treats Lyme disease and certain sexually transmitted infections.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • bowel disease like colitis
  • liver disease
  • long exposure to sunlight like working outdoors
  • an unusual or allergic reaction to doxycycline, tetracycline antibiotics, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

This medicine is for infusion into a vein. It is given in a hospital or clinic setting by a health care professional. Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children as young as 8 years old for selected conditions, precautions do apply.

What if I miss a dose?

This does not apply.

What may interact with this medicine?

  • barbiturates
  • birth control pills
  • carbamazepine
  • methoxyflurane
  • other antibiotics
  • phenytoin
  • warfarin

What should I watch for while using this medicine?

Tell your doctor or health care professional if your symptoms do not improve.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

If you are being treated for a sexually transmitted infection, avoid sexual contact until you have finished your treatment. Your sexual partner may also need treatment.

Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • difficulty breathing
  • fever
  • itching in the rectal or genital area
  • pain on swallowing
  • redness, blistering, peeling or loosening of the skin, including inside the mouth
  • severe stomach pain or cramps
  • unusual bleeding or bruising
  • unusually weak or tired
  • yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • diarrhea
  • loss of appetite
  • nausea, vomiting

Where should I keep my medicine?

This does not apply. You will only receive this medicine in a hospital or clinic setting.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.


All visitors to AARP.org should seek expert medical care and consult their own physicians for any specific health issues. Read this disclaimer in its entirety.
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Note: This information is not intended to cover all possible uses, precautions, interactions, or adverse effects for this drug. If you have question about the drug(s) you are taking, check with your health care professional.
 
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