A 39-year-old member asked:
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How long does it take to experience the side effects of doryx (doxycycline)?

1 doctor answer
Dr. Barbara Stark Baxter
41 years experience in Allergy and Immunology
Hours to days to ...: Doryx (doxycycline) is a slow-release form of doxycyline, a tetracycline-type antibiotic. Common side effects include headache, nausea, acid stomach, joint pain, diarrhea, rash, yeast infections, menstrual cramps, skin discoloration, abnl kidney test. More serious side effects are also possible. The common side effects may start with the first dose; most will occur later; some can occur after months of use.
Answered on Jun 25, 2014

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A 46-year-old member asked:
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Probably will: Doxycycline is an antibiotic in the tetracycline family that is used often for spirochete illnesses, by far the most common today being lyme's disease ... Read More
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If there is no...: ...Significant improvement after a month, 6 weeks max, i switch to a different antibiotic.
A 50-year-old member asked:
Dr. Barbara Stark Baxter
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Nausea, diarrhea: Doryx (doxycycline) is a slow-release form of doxycyline, which is a tetracycline-type antibiotic. This family of antibiotics has a lot of side effec ... Read More
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3 thanks
A 47-year-old member asked:
Dr. Barbara Stark Baxter
41 years experience in Allergy and Immunology
Nausea, diarrhea: Doryx (doxycycline) is a slow-release form of doxycyline, which is a tetracycline-type antibiotic. This family of antibiotics has a lot of side effec ... Read More
1
1 thank

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