Dosing
CrCl > 80: 100 po/iv q 12 h.
CrCl 80-50:
CrCl 50-10:
CrCl < 10:
Hemodialysis:
Peritoneal dialysis:
Important side effects
Deposits in bone and teeth, photosensitivity.
Important drug interactions
Acitretin, aluminum, calcium or magnesium-containing products, bismuth subsalicylate, carbamazepine, cisatracurium, dicumarol, ethinyl estradiol, fosphenytoin, iron, isotretinoin, mestranol, methotrexate, norelgestromin, norethindrone, norgestrel, phenobarbital, phenytoin, rapacuronium, rifampin, rifapentine, warfarin.
Rants and Screeds
From July 15, CID
"Not long ago, the cost to the pharmacy at that hospital had suddenly risen from $10 for fifty 100-mg doxycycline pills to a staggering $250 for 50 pills. I cannot trace the reason for this unbelievable jump in price, but occurrences like this have to be part of the problem with the cost of medical care in the United States. Doxycycline is an old generic drug that is the oral drug of choice for Lyme disease as well as other indications; it has been cheap up to now. Someone is taking advantage of the population requiring this drug."
Now that the cost has increased by up to 2000%, many infections can use minocycline instead (Minocycline as A Substitute for Doxycycline in Targeted Scenarios: A Systematic Review). And as a result, they will probably jack up the price of minocycline as well.
Pearls
Treatment of choice
Use for
Anthrax (post-exposure prophylaxis, gi,pulmonary and cutaneous), bacillary angiomatosis, Acinetobacter infections, acne, actinomycosis, amebiasis, Bartonella, bronchitis, Brucella, Calymmatobacterium granulomatis, Campylobacter fetus infections, chancroid, Chlamydia infections, cholera, Clostridium infections, colonic surgery prophylaxis, pneumonia-community-acquired, conjunctivitis, COPD exacerbation, donovanosis, Ehrlichia chaffeensis infections, Enterobacter infections, Epididymitis, Escherichia coli, Gonorrhea, granuloma inguinale, hysterectomy, Leptospira, Listeria monocytogenes, Lyme disease, Lymphogranuloma venereum, Malaria, malignant pleural effusions, Mediterranean Spotted Fever, Melioidosis, Mycobacterium infections, Mycoplasm pneumoniae infections, nongonococcal urethritis, onchocerciasis, Psittacosis, PID, periodontal disease, periodontitis, plague, pneumonia, postabortal infection prophylaxis, pre-menstrual syndrome, Proctitis, Q fever,Relapsing Fever, Rickettsia conorii, Rocky Mountain Spotted Fever, rosacea, sclerotherapy, scrub typhus Rickettsia, sexual assault, Shigella, Sweets syndrome, Syphilis, Toxoplasma, travelers' diarrhea, Tularemia, typhus, urethritis, UTI, Vibrio cholerae, Vibrio vulnificus, Vincent's infection, yaws, Yersinia pestis.
Don't use for
Class
Tetracycline.
Curious Cases
Relevant links to my Medscape blog
Last update 11/16/19