What is the brand name for Doxycycline?
The brand name for Doxycycline is Vibramycin.
PTCB TOP 200 · #77
Doxycycline
Vibramycin
Doxycycline is the generic name for the brand-name drug Vibramycin. It is a tetracycline antibiotic used to treat bacterial infections, acne. On the PTCE Top 200 drug list, Doxycycline ranks #77 and is one of the most frequently tested infectious disease medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.
| Generic name | Doxycycline |
|---|---|
| Brand name(s) | Vibramycin |
| Drug class | Tetracycline antibiotic |
| Class group | Infectious Disease |
| Common use | bacterial infections, acne |
| DEA schedule | Unscheduled |
| Availability | Prescription only (Rx) |
What is Doxycycline used for?
• Treatment of susceptible bacterial infections (e.g., acne, respiratory tract infections, tick-borne infections).
What drug class is Doxycycline?
Doxycycline is a Tetracycline antibiotic in the Infectious Disease group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.
Common side effects of Doxycycline
- arrow_rightGI upset (nausea, diarrhea)
- arrow_rightPhotosensitivity
- arrow_rightEsophagitis (pill irritation)
- arrow_rightYeast infections
Major interactions
- arrow_rightAntacids/iron/calcium/magnesium bind and ↓ absorption (separate dosing)
- arrow_rightWarfarin: may ↑ INR/bleeding risk (monitor)
- arrow_rightIsotretinoin or other retinoids ↑ intracranial hypertension risk (rare)
- arrow_rightEnzyme-inducing anticonvulsants may ↓ doxycycline levels
Is Doxycycline a controlled substance?
No. Doxycycline is not a federally controlled substance (it is unscheduled by the DEA).
How to remember Doxycycline (PTCE mnemonic)
VIBRA-mycin VIBRAtes through bacteria — DOXY-cycline is a tetra-CYCLINE. 'Don't lie down (esophagitis), no SUN, no MILK/iron/Ca/Mg, no kids/pregnancy' (teeth).
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PTCE exam tip
Doxycycline is a tetracycline (-cycline) — avoid in pregnancy and young children (teeth staining); counsel on dairy/antacid spacing and sun sensitivity.
Doxycycline FAQ
What is Doxycycline used for?
Doxycycline is used to treat bacterial infections, acne. • Treatment of susceptible bacterial infections (e.g., acne, respiratory tract infections, tick-borne infections).
What drug class is Doxycycline?
Doxycycline is a Tetracycline antibiotic (Infectious Disease group).
Is Doxycycline a controlled substance?
No. Doxycycline is not a federally controlled substance (it is unscheduled by the DEA).
Study guides that cover Doxycycline
Free, in-depth guides to the patterns behind this drug — no app needed.
Drug suffix cheat sheetthe suffix that gives away this drug's class
How to memorize the Top 200 drugsa method for locking in brand↔generic pairs
LASA (look-alike/sound-alike) drugsthe name pairs most often mixed up
Sig codes cheat sheetthe abbreviations on this drug's labelSee all PTCE study guides or browse the full Top 200 drug list.
Drill Doxycycline the way the PTCE asks it
RxReflex turns the Top 200 drugs into fast flashcard rounds, a guided Learn path, pharmacy math, and 40+ cheat sheets. Free to start.
Related drugs in the Infectious Disease group
Written and reviewed by the RxReflex Content Team. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).