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What Causes Cold Sore On Upper Lip While On Doxycycline Hyclate?

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Posted on Sat, 12 Mar 2016
Question: I am taking one doxycycline HYC DR 500 mg tablet twice a day for 2 weeks for prostatitis. I'm about 80% finished the 2-week regimen. I have developed a cold sore on my upper lip (I get it there periodically). I have a job interview in a few days and would like to start taking valacyclovir HCL 500 mg tablets twice a day for 3 days, which is what I usually do for these cold sores. If I start the valacyclovir, do I need to stop taking the doxycycline?
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Answered by Dr. Dr. P. T. Patil (1 hour later)
Brief Answer:
You can continue taking Doxicycline .

Detailed Answer:
Hello
Thanks for your query ,based on the facts that you have posted it appears that you have been taking Doxicycline for prostatitis and have sores on the upper lip .

There is no harm in taking Doxicycline along with Valacyclovir,

You can use topical soothing jelly like Xytee for local application .

Hope I have answered your query ,please feel free to ask if you have more questions ,I shall be happy to help you
Thanks and Regards.
Dr.Patil


Note: Consult a Urologist online for consultation about prostate and bladder problems, sexual dysfunction, kidney stones, prostate enlargement, urinary incontinence, impotence and erectile dysfunction - Click here.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Dr. P. T. Patil

Urologist

Practicing since :1971

Answered : 10587 Questions

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What Causes Cold Sore On Upper Lip While On Doxycycline Hyclate?

Brief Answer: You can continue taking Doxicycline . Detailed Answer: Hello Thanks for your query ,based on the facts that you have posted it appears that you have been taking Doxicycline for prostatitis and have sores on the upper lip . There is no harm in taking Doxicycline along with Valacyclovir, You can use topical soothing jelly like Xytee for local application . Hope I have answered your query ,please feel free to ask if you have more questions ,I shall be happy to help you Thanks and Regards. Dr.Patil