Commonly Used Brand Name(s)Adoxa, Adoxa CK, Adoxa Pak, Adoxa TT, Doryx, Doryx MPC, Monodox, Oracea, Periostat, Vibramycin Calcium, Vibramycin Hyclate, Vibra-Tabs
Doxycycline is used to treat bacterial infections in many different parts of the body. It is also used to treat pimples and abscesses (usually on the face) that are caused by rosacea, also known as acne rosacea or adult acne.
Doxycycline delayed-release tablets and tablets are also used to prevent malaria and treat anthrax infection after possible exposure and other problems as determined by your doctor.
Doxycycline belongs to the class of medicines known as tetracycline antibiotics. It works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections.
This medicine is available only with your doctor's prescription.
Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects.
This medicine comes with a patient instructions. Read and follow the instructions carefully. Ask your doctor if you have any questions.
If you are using delayed-release tablets or tablets:
- It may be taken with food or milk, if it upsets your stomach.
- You may take this medicine by breaking the tablets. Hold the tablet between your thumb and index fingers close to the appropriate score (separation) line. Then, apply enough pressure to snap the tablet segments apart. Do not use the tablet if it does not break on the scored lines.
- You may also take this medicine by sprinkling the equally broken tablets onto cold, soft food such as an applesauce. This mixture must be swallowed immediately without chewing and followed with a glass of cool water to ensure complete swallowing of the pellets. Do not store the mixture for later use.
Swallow the capsule whole. Do not break, crush, chew, or open it.
Shake the oral liquid well just before each use. Measure the dose with a marked measuring spoon, oral syringe, or medicine cup.
Drink plenty of fluids to avoid throat irritation and ulceration.
If you are using this medicine to prevent malaria while traveling, start taking the medicine 1 or 2 days before you travel. Take the medicine every day during your trip and continue taking it for 4 weeks after you return. However, do not use the medicine for longer than 4 months.
If you are using For Oracea™ delayed-release capsules:
- You should take this medicine on an empty stomach, preferably at least 1 hour before or 2 hours after meals.
- You should take this medicine with a full glass of water while sitting or standing.
- To prevent throat irritation, do not lay down right after taking this medicine.
Use only the brand of this medicine that your doctor prescribed. Different brands may not work the same way.
To help clear up your infection completely, keep taking this medicine for the full time of treatment, even if you begin to feel better after a few days. If you stop taking this medicine too soon, your symptoms may return.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage forms (capsules, delayed-release tablets, suspension, syrup, tablets):
- For infections:
- Adults—100 milligrams (mg) every 12 hours on the first day, then 100 mg once a day or 50 to 100 mg every 12 hours.
- Children older than 8 years of age who weigh 45 kg or less—Dose is based on body weight and must be determined by your doctor. The dose is usually 4.4 milligrams (mg) per kilogram (kg) of body weight per day and divided into two doses on the first day of treatment. This is followed by 2.2 mg per kg of body weight per day, taken as a single dose or divided into two doses on the following days.
- Children up to 8 years of age—Use is not recommended.
- For the prevention of malaria:
- Adults—100 milligrams (mg) once a day. You should take the first dose 1 or 2 days before travel to an area where malaria may occur, and continue taking the medicine every day throughout travel and for 4 weeks after you leave the malarious area.
- Children older than 8 years of age—Dose is based on body weight and must be determined by your doctor. The dose is usually 2 milligrams (mg) per kilogram (kg) of body weight per day, taken as a single dose. You should take the first dose 1 or 2 days before travel to an area where malaria may occur, and continue taking the medicine every day throughout travel and for 4 weeks after you leave the malarious area.
- Children up to 8 years of age—Use is not recommended.
- For anthrax after possible exposure:
- Adults and children weighing 45 kilograms (kg) or more—100 milligrams (mg) two times a day (taken every 12 hours) for 60 days.
- Children weighing less than 45 kg—Dose is based on body weight and must be determined by your doctor. The dose is usually 2.2 milligrams (mg) per kilogram (kg) of body weight per day, two times a day for 60 days.
- For infections:
- For oral dosage form (delayed-release capsules):
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Use & StorageTOP
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for treatment of exposure to inhalational anthrax), unless directed by the child's doctor.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of doxycycline in the elderly. However, elderly patients are more likely to have kidney, liver, or heart problems which may require caution and an adjustment in the dose for patients receiving doxycycline.
|All Trimesters||D||Studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy in a life threatening situation or a serious disease, may outweigh the potential risk.|
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Cholera Vaccine, Live
- Penicillin G
- Penicillin G Benzathine
- Penicillin G Procaine
- Penicillin V
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical ProblemsTOP
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Asthma—Vibramycin® syrup contains sodium metabisulfite, which can cause allergic and life-threatening reactions in patients with this condition.
- Diarrhea or
- Vaginal candidiasis (yeast) infections—Use with caution. May make these conditions worse.
- Kidney problems—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
If your symptoms do not improve within a few days, or if they become worse, check with your doctor.
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using this medicine, tell your doctor right away.
This medicine may darken the color of your skin, nails, eyes, teeth, gums, or scars. Talk with your doctor if you have any concerns.
Doxycycline may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this or if mild diarrhea continues or gets worse, check with your doctor.
Birth control pills (containing estrogen) may not work properly while you are using doxycycline. To keep from getting pregnant, use other forms of birth control. These include condoms, a diaphragm, or contraceptive foam or jelly.
Doxycycline may cause your skin to be more sensitive to sunlight than it is normally. Exposure to sunlight, even for brief periods of time, may cause a skin rash, itching, redness or other discoloration of the skin, or a severe sunburn. When you begin taking this medicine:
- Stay out of direct sunlight, especially between the hours of 10:00 a.m. and 3:00 p.m., if possible.
- Wear protective clothing, including a hat. Also, wear sunglasses.
- Apply a sunblock product that has a sun protection factor (SPF) number of at least 15. Some patients may require a product with a higher SPF number, especially if they have a fair complexion. If you have any questions about this, check with your doctor.
- Apply a sunblock lipstick that has an SPF of at least 15 to protect your lips.
- Do not use a sun lamp or tanning bed or booth.
If you have a severe reaction from the sun, check with your doctor.
This medicine may cause intracranial hypertension. This is more likely to occur in women of childbearing age who are overweight or have a history of intracranial hypertension. Tell your doctor right away if you have a headache, blurred vision, or changes in vision.
You should not take antacids that contain aluminum, calcium or magnesium, or any product that contains iron such as vitamin or mineral supplements.
If you are using this medicine to prevent malaria, take extra care not to get bitten by mosquitoes. Use protective clothing, mosquito netting or screens, and an insect repellent.
Before you have any medical tests, tell the medical doctor in charge that you are taking this medicine. The results of some tests may be affected by this medicine.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.