Doxycycline is an antibiotic that
prevents the development of parasites in the blood that cause
malaria. Doxycycline does not destroy the
P. ovale parasites that may remain in the liver.
You take doxycycline as a tablet (orally).
malaria, you take doxycycline 1 to 2 days before you travel to an area where
malaria is present, daily while you are in the area, and daily for 4 weeks
after you leave the area.1
To treat malaria, doxycycline is usually
used along with quinine for 7 days.
Doxycycline is used to prevent
Doxycycline is effective in the
prevention of malaria.
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
Call 911 or other emergency services right away if you have:
Call your doctor if you have:
Common side effects of doxycycline include:
Side effects can be reduced by taking the medicine during
a meal. But it is best to avoid dairy products or calcium or zinc supplements at the same time you take doxycycline, because these can affect how well your body uses the doxycycline.
See Drug Reference for a full list of side effects. (Drug
Reference is not available in all systems.)
Doxycycline is not used for children younger than age 9, because it may stain
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
Do not use this medicine if you are pregnant or planning to get pregnant. If you need to use this medicine, talk to your doctor about how you can prevent pregnancy.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Complete the new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
CitationsHill DR, et al. (2006). The practice of travel
medicine: Guidelines by the Infectious Diseases Society of America.
Clinical Infectious Diseases, 43(12):
May 14, 2012
Kathleen Romito, MD - Family Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
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