Doxycycline
Pill images, imprints and guides
Doxycycline comes in 74 pill versions in our database, in 6 strengths, from 39 manufacturers. Check the imprint to tell them apart.
What is Doxycycline used for?
Doxycycline is used for pneumonia and syphilis.
- Medicine type
- Antibiotic (tetracycline)
Official uses from the US prescribing label
To reduce the development of drug-resistant bacteria and maintain effectiveness of doxycycline capsules, USP and other antibacterial drugs, doxycycline capsules, USP should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
Doxycycline capsules, USP are indicated for the treatment of the following infections:
Rocky mountain spotted fever, typhus fever and the typhus group, Q fever, rickettsialpox, and tick fevers caused by Rickettsiae.
Respiratory tract infections caused by Mycoplasma pneumoniae.
Lymphogranuloma venereum caused by Chlamydia trachomatis.
Psittacosis (ornithosis) caused by Chlamydophila psittaci.
Trachoma caused by Chlamydia trachomatis,although the infectious agent is not always eliminated as judged by immunofluorescence.
Inclusion conjunctivitis caused by Chlamydia trachomatis.
Uncomplicated urethral, endocervical or rectal infections in adults caused by Chlamydia trachomatis.
Nongonococcal urethritis caused by Ureaplasma urealyticum.
Relapsing fever due to Borrelia recurrentis.
Doxycycline capsules, USP are also indicated for the treatment of infections caused by the following gram-negative microorganisms:
Chancroid caused by Haemophilus ducreyi.
Plague due to Yersinia pestis.
Tularemia due to Francisella tularensis.
Cholera caused by Vibrio cholerae.
Campylobacter fetus infections caused by Campylobacter fetus.
Brucellosis due to Brucella species(in conjunction with streptomycin).
Bartonellosis due to Bartonella bacilliformis.
Granuloma inguinale caused by Klebsiella granulomatis.
Because many strains of the following groups of microorganisms have been shown to be resistant to doxycycline, culture and susceptibility testing are recommended.
Doxycycline capsules, USP are indicated for treatment of infections caused by the following gram-negative microorganisms, when bacteriologic testing indicates appropriate susceptibility to the drug:
Escherichia coli
Enterobacter aerogenes
Shigella species
Acinetobacter species
Respiratory tract infections caused by Haemophilus influenzae.
Respiratory tract and urinary tract infections caused by Klebsiella species.
Doxycycline capsules, USP are indicated for treatment of infections caused by the following gram-positive microorganisms when bacteriologic testing indicates appropriate susceptibility to the drug:
Upper respiratory infections caused by Streptococcus pneumoniae.
Anthrax due to Bacillus anthracis,including inhalational anthrax (post-exposure): to reduce the incidence or progression of disease following exposure to aerosolized Bacillus anthracis.
When penicillin is contraindicated, doxycycline is an alternative drug in the treatment of the following infections:
Uncomplicated gonorrhea caused by Neisseria gonorrhoeae.
Syphilis caused by Treponema pallidum.
Yaws caused by Treponema pallidumsubspecies pertenue.
Listeriosis due to Listeria monocytogenes.
Vincent's infection caused by Fusobacterium fusiforme.
Actinomycosis caused by Actinomyces israelii.
Infections caused by Clostridium species.
In acute intestinal amebiasis, doxycycline may be a useful adjunct to amebicides.
In severe acne, doxycycline may be useful adjunctive therapy.
From the FDA-approved label on DailyMed (published Sep 21, 2026).
Doctors sometimes prescribe a medicine for other reasons too. If you are not sure what yours is for, ask your pharmacist.
Doxycycline pill images
40 mg 9 pills
- CGPI 40 Doxycycline 40 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
- H1 Doxycycline 40 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
- LU D09 Doxycycline 40 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
- DOX 40 Doxycycline 40 mg White, capsule, 18 mm Used for pneumonia and syphilis
- GLD 40 Doxycycline 40 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
- APOD40 Doxycycline 40 mg Brown, capsule, 3 mm Used for pneumonia and syphilis
- 59 40mg Doxycycline 40 mg White & yellow, capsule, 18 mm Used for pneumonia and syphilis
- 30 10 Doxycycline 40 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
- T42 Doxycycline 40 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
50 mg 14 pills
- NL790 50mg Doxycycline 50 mg White & yellow, capsule, 18 mm Used for pneumonia and syphilis
- LCI 1335 Doxycycline 50 mg Yellow, round, 8 mm Used for pneumonia and syphilis
- MONODOX 50 M 260 Doxycycline 50 mg White & yellow, capsule, 14 mm Used for pneumonia and syphilis
- RX130 Doxycycline 50 mg Blue, round, 8 mm Used for pneumonia and syphilis
- par 726 Doxycycline 50 mg White, capsule, 14 mm Used for pneumonia and syphilis
- 782 Doxycycline 50 mg White & yellow, capsule, 16 mm Used for pneumonia and syphilis
- 1121 Doxycycline 50 mg Yellow, round, 7 mm Used for pneumonia and syphilis
- LU M71 Doxycycline 50 mg Brown & yellow, capsule, 15 mm Used for pneumonia and syphilis
- CP 570 50 mg Doxycycline 50 mg White & yellow, capsule, 18 mm Used for pneumonia and syphilis
- RX614 Doxycycline 50 mg Blue, capsule, 14 mm Used for pneumonia and syphilis
- CE410 50mg Doxycycline 50 mg White, capsule, 14 mm Used for pneumonia and syphilis
- I61 Doxycycline 50 mg Orange, round, 7 mm Used for pneumonia and syphilis
- Strideslogo 50 Doxycycline 50 mg White, capsule, 14 mm Used for pneumonia and syphilis
- Par 091 Doxycycline 50 mg Yellow, round, 8 mm Used for pneumonia and syphilis
75 mg 14 pills
- MONODOX 75 M 075 Doxycycline 75 mg Brown & white, capsule, 18 mm Used for pneumonia and syphilis
- RX131 Doxycycline 75 mg Green, round, 9 mm Used for pneumonia and syphilis
- NL791 75mg Doxycycline 75 mg Brown & white, capsule, 18 mm Used for pneumonia and syphilis
- LU M72 Doxycycline 75 mg Brown & yellow, capsule, 18 mm Used for pneumonia and syphilis
- A 241 Doxycycline 75 mg Brown, capsule, 18 mm Used for pneumonia and syphilis
- LCI 1535 Doxycycline 75 mg Yellow, round, 9 mm Used for pneumonia and syphilis
- 706 Doxycycline 75 mg Orange & white, capsule, 18 mm Used for pneumonia and syphilis
- 1122 Doxycycline 75 mg Orange, round, 8 mm Used for pneumonia and syphilis
- CP 571 75 mg Doxycycline 75 mg Brown & white, capsule, 18 mm Used for pneumonia and syphilis
- RX615 Doxycycline 75 mg Blue, capsule, 16 mm Used for pneumonia and syphilis
- CE412 75mg Doxycycline 75 mg White, capsule, 18 mm Used for pneumonia and syphilis
- I62 Doxycycline 75 mg Orange, capsule, 10 mm Used for pneumonia and syphilis
- strideslogo 75 Doxycycline 75 mg Orange, capsule, 17 mm Used for pneumonia and syphilis
- par 092 Doxycycline 75 mg Orange, round, 9 mm Used for pneumonia and syphilis
100 mg 24 pills
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LCI 1338
Doxycycline 100 mg
Yellow, oval, 13 mm
Used for pneumonia and syphilis
-
par 727
Doxycycline 100 mg
Brown & white, capsule, 19 mm
Used for pneumonia and syphilis
- WATSON 411 100 mg Doxycycline 100 mg Brown & white, capsule, 19 mm Used for pneumonia and syphilis
- NL792 100mg Doxycycline 100 mg Brown & yellow, capsule, 19 mm Used for pneumonia and syphilis
- LU M73 Doxycycline 100 mg Brown & yellow, capsule, 20 mm Used for pneumonia and syphilis
- MONODOX 100 M 259 Doxycycline 100 mg Brown & yellow, capsule, 19 mm Used for pneumonia and syphilis
- NL792 100mg Doxycycline 100 mg Yellow, capsule, 19 mm Used for pneumonia and syphilis
- RX132 Doxycycline 100 mg Blue, round, 10 mm Used for pneumonia and syphilis
- AMNEAL 1100 Doxycycline 100 mg Blue, capsule, 22 mm Used for pneumonia and syphilis
- 707 Doxycycline 100 mg Orange & yellow, capsule, 19 mm Used for pneumonia and syphilis
- I63 Doxycycline 100 mg Orange, round, 9 mm Used for pneumonia and syphilis
- DOXYC Doxycycline 100 mg Orange, round, 10 mm Used for pneumonia and syphilis
- WW 112 Doxycycline 100 mg Orange, round, 17 mm Used for pneumonia and syphilis
- 1123 Doxycycline 100 mg Yellow, round, 9 mm Used for pneumonia and syphilis
- 186 CY Doxycycline 100 mg Blue, capsule, 22 mm Used for pneumonia and syphilis
- par 727 Doxycycline 100 mg Brown, capsule, 19 mm Used for pneumonia and syphilis
- A 242 Doxycycline 100 mg Brown, capsule, 20 mm Used for pneumonia and syphilis
- RX616 Doxycycline 100 mg Blue, capsule, 18 mm Used for pneumonia and syphilis
- CP 572 100 mg Doxycycline 100 mg Brown & yellow, capsule, 19 mm Used for pneumonia and syphilis
- Westward 3142 Doxycycline 100 mg Blue, capsule, 18 mm Used for pneumonia and syphilis
- MYLAN 167 100 Doxycycline 100 mg Brown, round, 9 mm Used for pneumonia and syphilis
- CE411 100mg Doxycycline 100 mg White, capsule, 19 mm Used for pneumonia and syphilis
- strideslogo 100 Doxycycline 100 mg Brown, capsule, 19 mm Used for pneumonia and syphilis
- par 093 Doxycycline 100 mg Yellow, round, 9 mm Used for pneumonia and syphilis
150 mg 9 pills
- RX 173 Doxycycline 150 mg White, round, 10 mm Used for pneumonia and syphilis
- M1 Doxycycline 150 mg Orange, capsule, 6 mm Used for pneumonia and syphilis
- LCI 1537 Doxycycline 150 mg Yellow, round, 11 mm Used for pneumonia and syphilis
- 1124 Doxycycline 150 mg Orange, round, 11 mm Used for pneumonia and syphilis
- CE413 150mg Doxycycline 150 mg Brown, capsule, 22 mm Used for pneumonia and syphilis
- I 64 Doxycycline 150 mg Orange, capsule, 15 mm Used for pneumonia and syphilis
- strideslogo 150 Doxycycline 150 mg Orange, capsule, 23 mm Used for pneumonia and syphilis
- par 305 Doxycycline 150 mg Pink, capsule, 22 mm Used for pneumonia and syphilis
- par 236 Doxycycline 150 mg Orange, round, 10 mm Used for pneumonia and syphilis