Is doxycycline hydrochloride 100mg a sulfa based drug?
Medically reviewed by Drugs.com. Last updated on April 7, 2025.
No, doxycycline is not a sulfa based drug. It is a tetracycline antibiotic that fights bacteria in the body.
Doxycycline is used to treat many different bacterial infections, such as urinary tract infections, acne, gonorrhea, and chlamydia, periodontitis (gum disease), and others.
Doxycycline is also used to treat blemishes, bumps, and acne-like lesions caused by rosacea. Doxycycline will not treat facial redness caused by rosacea.
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Should doxycycline be taken with food?
Doxycycline, a tetracycline antibiotic, is used to treat many different bacterial infections and skin conditions such as acne and rosacea. Different doxycycline products may have different instructions for how to take the medication. In general, most brands of doxycycline may be taken with food.
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