How Effective Is Doxycycline for Strep?

Doxycycline is an antibiotic commonly prescribed for acne or STDs.
Strep throat requires antibiotics for treatment.
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  • Written By: Erik J.J. Goserud
  • Edited By: PJP Schroeder
  • Last Modified Date: 17 March 2014
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Strep throat is the inflammation and tenderness of the throat and associated organs due to an infection with Streptococcus bacteria. Although this is not the only cause of a sore throat, it is a common culprit of such discomfort. When a strep infection develops, antibiotics are often used to treat it. A healthcare provider may choose to prescribe doxycycline for strep, but it may not be the most effective medication for this particular infection.

People experiencing tenderness or swelling of the throat should consult with a medical professional in order to confirm a diagnosis. He or she will be able to accurately diagnose the problem and prescribe antibiotics or other treatments as appropriate. In some cases, throat lozenges or alternative measures may be prescribed to expedite healing.

Doxycycline offers treatment for a multitude of health issues, but for strep, it may not be the best choice. Antibiotics are classified because they target specific types of organisms, and other antibiotic classes, such as penicillins, may be more effective in the treatment of strep throat. The classes, uses, and effectiveness of antibiotics is constantly evolving, making it absolutely necessary to undergo a course of antibiotics only under the direct supervision of a medical professional.


An antibiotic of the tetracycline family, doxycycline can be used to treat a wide array of ailments, including sexually transmitted diseases (STDs), acne, and rosacea. There are also experimental trials running to assess the effectiveness of this class of antibiotics treating rheumatoid arthritis, multiple sclerosis, and other diseases not typically treated with such drugs.

Doxycycline for strep, STDs, or any antibiotic treatment for any cause may render adverse side effects if taken improperly or by the wrong demographic. Dose concentration and frequency tends to vary with age, weight, and type of infection. In order to avoid adverse reactions and ensure the most effective treatment, patients should follow the orders of the prescribing healthcare professional.


Discuss this Article

Post 4

@sunshined-- Yes, that is something that is definitely not recommended for several reasons. I have been given doxycycline for strep before and started feeling so much better that I didn't take it for the entire time.

This was a mistake, as the strep came back and was even worse than it was the first time around. This time I made sure and took all of my medication even though I felt like I didn't need it. I didn't want to take the chance of having it come back for a third time.

Post 3

When I had a bad acne flare up I was given some tetracycline to clear it up. I didn't end up using all of it and had some left over. A few months later I had a really bad sore throat and thought I would try this to clear it up. I know this isn't recommended, but since I didn't have any side effects when taking it before decided it was worth a try. The sore throat went away and never came back, so I am assuming it did the trick.

Post 2

I know that doxycycline is effective for treating strep in many cases, but my body must have built up some kind of resistance to it. It is not uncommon for me to get strep at least twice during the cold and flu season.

After taking doxycycline at first, it quit working as well as it had in the past. I am so glad there are many other antibiotics they can use to take care of strep and other medical conditions that require antibiotics. I can't imagine what it would have been like before all these different antibiotics were available.

Post 1

Whenever I start to get a sore throat I usually expect it to be strep. I have had this in the past, and know what it feels like. I have found the only way to get rid of this is to take antibiotics.

In the past I have tried to let it run its course, but this isn't something I would recommend. In my case, it never cleared up on its own, and I went spent too much time feeling miserable.

After I finally saw the doctor and started on some doxycycline, I began to feel better in a few days and my strep throat finally cleared up.

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