In this drug factsheet:
How does this medication work? What will it do for me?
Doxycycline belongs to the class of medications known as tetracyclines. It is an antibiotic that is used to treat certain infections that are caused by bacteria. It is most commonly used to treat lung infections such as pneumonia and bronchitis, urinary tract infections such as cystitis, throat infections such as tonsillitis, skin infections, and sexually transmitted infections.
This medication may be available under multiple brand names and/or in several different forms. Any specific brand name of this medication may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of this medication may not be used for all of the conditions discussed here.
Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.
People who read this article also read about:
How should I use this medication?
The dose and length of treatment with doxycycline varies with the condition being treated. The usual recommended adult dose of doxycycline is 200 mg for the first dose followed by 100 mg once daily at the same time each day, with or after a meal. For some types of infections, doxycycline may be give twice daily.
The medication should be taken with plenty of water while standing or sitting upright to reduce the risk of injury to the esophagus. Do not lie down for at least 1 to 2 hours after taking the medication. This medication should not be taken with antacids or iron preparations, as these may interfere with its effectiveness.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important to take this medication exactly as prescribed by your doctor. Finish all of this medication, even if you start to feel better. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from light and moisture, and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
What form(s) does this medication come in?
Vibra-Tabs is no longer being manufactured for sale in Canada. For brands that may still be available, search under doxycycline. This article is being kept available for reference purposes only. If you are using this medication, speak with your doctor or pharmacist for information about your treatment options.
Who should NOT take this medication?
Do not take doxycycline if you: