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Trusted, medically reviewed health information • Not a substitute for medical advice
Important: The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.
Generic Name: Doxycycline
You experience severe allergic reaction symptoms (swelling of the face, lips, tongue, or throat causing difficulty breathing), severe rash with skin peeling, sudden intense chest pain, or symptoms of overdose. Call emergency medical services immediately.
Treat bacterial infections, acne
Acne, respiratory infections, Lyme disease
100 mg twice daily
2.2 mg/kg twice daily (if >8 yrs)
Same as adult
300 mg/day
No adjustment needed
Caution in severe impairment
Nausea, photosensitivity
Esophagitis, C. diff diarrhea
Hypersensitivity to tetracyclines
Avoid during tooth development (under 8 yrs)
Antacids, Iron, Penicillin
Take with food to decrease GI upset
Chronic use decreases half-life
Avoid, affects fetal bone/teeth
Not recommended
Wear sunscreen, take with plenty of water
Take as soon as remembered
Resolution of infection
Content for Doxycycline was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:
The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.