Doxycycline

This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.

Brand Names: US

Acticlate [DSC]; Avidoxy; Doryx; Doryx MPC; Doxy 100; Lymepak [DSC]; Mondoxyne NL; Morgidox [DSC]; Okebo [DSC]; Oracea; TargaDOX; Vibramycin

Brand Names: Canada

APO-Doxy; APO-Doxycycline MR; Apprilon; Doxycin; Doxytab; Periostat; PRZ-Doxycycline; TEVA-Doxycycline

What is this drug used for?

  • It is used to treat pimples (acne).
  • It is used to treat or prevent bacterial infections.
  • It is used to prevent malaria.
  • It is used to treat swelling of the tissue around the teeth (periodontitis). It is used with scaling and root planing.
  • It is used to treat rosacea.
  • It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take this drug?

  • If you are allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
  • If you are taking any of these drugs: Acitretin, isotretinoin, or a penicillin.
  • If you are breast-feeding or plan to breast-feed. You may need to avoid breast-feeding.

This is not a list of all drugs or health problems that interact with this drug.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

  • Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
  • Have your blood work checked if you are on this drug for a long time. Talk with your doctor.
  • This drug may affect certain lab tests. Tell all of your health care providers and lab workers that you take this drug.
  • Do not use longer than you have been told. A second infection may happen.
  • If you are allergic to sulfites, talk with your doctor. Some products have sulfites.
  • This drug may make you sunburn more easily. Use care if you will be in the sun. Tell your doctor if you sunburn easily while taking this drug.
  • Severe skin reactions may happen with this drug. These include Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and other serious reactions. Sometimes, body organs may also be affected. These reactions can be deadly. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin; red or irritated eyes; sores in your mouth, throat, nose, eyes, genitals, or any areas of skin; fever; chills; body aches; shortness of breath; or swollen glands.
  • Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Use some other kind of birth control also like a condom when taking this drug.
  • This drug may change tooth color to yellow-gray brown if taken by children younger than 8 years old, or in the unborn baby if taken during some parts of pregnancy. If this change of tooth color happens, it will not go away. Other tooth problems have also happened. Bone growth may also be affected in these people taking this drug. If you have questions, talk with the doctor.
  • Most of the time, this drug is not for use in children younger than 8 years old. However, there may be times when these children may need to take this drug. Talk with the doctor.
  • Change in tooth color has also happened in adults. This has gone back to normal after this drug was stopped and teeth cleaning at a dentist’s office. Talk with the doctor.
  • This drug may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking this drug, call your doctor right away.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of liver problems like dark urine, tiredness, decreased appetite, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
  • Signs of a pancreas problem (pancreatitis) like very bad stomach pain, very bad back pain, or very bad upset stomach or throwing up.
  • Chest pain or pressure or a fast heartbeat.
  • Not able to pass urine or change in how much urine is passed.
  • Fever, chills, or sore throat; any unexplained bruising or bleeding; or feeling very tired or weak.
  • Throat irritation.
  • Trouble swallowing.
  • Muscle or joint pain.
  • Fast breathing.
  • Flushing.
  • Very bad dizziness or passing out.
  • Change in skin color.
  • Vaginal itching or discharge.
  • Diarrhea is common with antibiotics. Rarely, a severe form called C diff–associated diarrhea (CDAD) may happen. Sometimes, this has led to a deadly bowel problem. CDAD may happen during or a few months after taking antibiotics. Call your doctor right away if you have stomach pain, cramps, or very loose, watery, or bloody stools. Check with your doctor before treating diarrhea.
  • Raised pressure in the brain has happened with this drug. Most of the time, this will go back to normal after this drug is stopped. Sometimes, loss of eyesight may happen and may not go away even after this drug is stopped. Call your doctor right away if you have a headache or eyesight problems like blurred eyesight, seeing double, or loss of eyesight.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Diarrhea, upset stomach, or throwing up.
  • Decreased appetite.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to your national health agency.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

How is this drug best taken?

Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.

All oral products:

  • Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
  • Some drugs may need to be taken with food or on an empty stomach. For some drugs it does not matter. Check with your pharmacist about how to take this drug.
  • It is best to avoid taking this drug at the same time as milk, dairy, or other products with calcium. This drug may not work as well. If you have questions, talk with the doctor or pharmacist.
  • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
  • Do not take bismuth (Pepto-Bismol®), calcium, iron, magnesium, zinc, multivitamins with minerals, colestipol, cholestyramine, didanosine, or antacids within 2 hours of this drug.

Tablets and capsules:

  • Take with a full glass of water.
  • Do not lie down after taking this drug. This will help lower the chance of throat irritation. Ask your pharmacist how long before you can lie down after taking this drug.

Delayed-release tablets:

  • Swallow whole. Do not chew or crush.
  • The tablet may be broken if the doctor tells you to.
  • You may sprinkle contents of tablet on applesauce. Be careful to break the tablet without crushing the pellets. Do not chew, crush, or damage the contents of the tablet.
  • Do not mix with hot applesauce.
  • If mixed, swallow the mixed drug right away. Do not store for use at a later time.

All liquid products:

  • Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.

Liquid (suspension):

  • Shake well before use.

Injection:

  • It is given as an infusion into a vein over a period of time.

What do I do if I miss a dose?

All oral products:

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

Injection:

  • Call your doctor to find out what to do.

How do I store and/or throw out this drug?

All oral products:

  • Store at room temperature protected from light. Store in a dry place. Do not store in a bathroom.
  • Do not take this drug if it is outdated.
  • Do not take this drug if it has not been stored as you have been told.

Liquid (syrup):

  • Throw away any unused part of this drug.

Liquid (suspension):

  • Store liquid (suspension) at room temperature. Throw away any part not used after 2 weeks.

Injection:

  • If you need to store this drug at home, talk with your doctor, nurse, or pharmacist about how to store it.

All products:

  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

General drug facts

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider’s examination and assessment of a patient’s specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms.

Last Reviewed Date

2024-01-30

Copyright

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Last Updated

Monday, December 12, 2022