Doxycycline Hyclate Delayed Release
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Uses
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To reduce the development of drug-resistant bacteria and maintain the effectiveness of doxycycline hyclate delayed-release tablets, USP and other antibacterial drugs, doxycycline hyclate delayed-release tablets, 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 is a tetracycline-class antimicrobial indicated in the following conditions or diseases:
Rocky Mountain spotted fever, typhus fever and the typhus group, Q fever, rickettsialpox, and tick fevers caused by Rickettsiae.
Uncomplicated urethral, endocervical or rectal infections caused by Chlamydia trachomatis.
Nongonococcal urethritis caused by Ureaplasma urealyticum.
Lymphogranuloma venereum caused by Chlamydia trachomatis.
Granuloma inguinale caused by Calymmatobacterium granulomatis.
Uncomplicated gonorrhea caused by Neisseria gonorrhoeae.
Chancroid caused by Haemophilus ducreyi.
Respiratory tract infections caused by Mycoplasma pneumoniae.
Psittacosis (ornithosis) caused by Chlamydophila psittaci.
Because many strains of the following groups of microorganisms have been shown to be resistant to doxycycline, culture and susceptibility testing are recommended.
Doxycycline is indicated for treatment of infections caused by the following microorganisms, when bacteriological testing indicates appropriate susceptibility to the drug:
Respiratory tract infections caused by Haemophilus influenzae.
Respiratory tract infections caused by Klebsiella species.
Upper respiratory infections caused by Streptococcus pneumoniae.
Relapsing fever due to Borrelia recurrentis.
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.
Because many strains of the following groups of microorganisms have been shown to be resistant to doxycycline, culture and susceptibility testing are recommended.
Doxycycline is indicated for treatment of infections caused by the following gram-negative microorganisms, when bacteriological testing indicates appropriate susceptibility to the drug:
Escherichia coli
Enterobacter aerogenes
Shigella species
Acinetobacter species
Urinary tract infections caused by Klebsiella species.
Trachoma caused by Chlamydia trachomatis, although the infectious agent is not always eliminated as judged by immunofluorescence.
Inclusion conjunctivitis caused by Chlamydia trachomatis.
Anthrax due to Bacillus anthracis, including inhalational anthrax (post-exposure): to reduce the incidence or progression of disease following exposure to aerosolized Bacillusanthracis.
When penicillin is contraindicated, doxycycline is an alternative drug in the treatment of the following infections:
Syphilis caused by Treponema pallidum.
Yaws caused by Treponema pertenue.
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.
Doxycycline is indicated for the prophylaxis of malaria due to Plasmodium falciparum in short-term travelers (less than 4 months) to areas with chloroquine and/or pyrimethamine -sulfadoxine resistant strains [see Dosage and Administration (2.2) andPatient Counseling Information (17)].
History
There is currently no drug history available for this drug.
Other Information
Doxycycline hyclate delayed-release tablets, USP for oral administration, contain specially coated pellets of doxycycline hyclate, a broad-spectrum antibiotic synthetically derived from oxytetracycline, in a delayed-release formulation for oral administration.
The structural formula for doxycycline hyclate is:
with a molecular formula of C22H24N2O8·HCl·½C2H6O·½H2O and a molecular weight of 512.9. The chemical designation for doxycycline hyclate is [4S(4aR,5S,5aR,6R,12aS)]
-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-deoxonapthtacene-2-carboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. Doxycycline hyclate is a yellow to light yellow, crystalline powder soluble in water and in solutions of alkali hydroxides and carbonates. Doxycycline has a high degree of lipid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Inert ingredients in the tablet formulation are: lactose monohydrate, microcrystalline cellulose; sodium lauryl sulfate, sodium chloride, hypromellose phthalate, hypromellose, triethyl citrate, anhydrous lactose, crospovidone, stearic acid, magnesium stearate. The tablets also contain opadry 03K29121 clear, which contains: hypromellose and triacetin.
USP dissolution test pending.
Sources
Doxycycline Hyclate Delayed Release Manufacturers
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Heritage Pharmaceuticals Inc.
![Doxycycline Hyclate Delayed Release (Doxycycline Hyclate) Tablet, Delayed Release [Heritage Pharmaceuticals Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Doxycycline Hyclate Delayed Release | Heritage Pharmaceuticals Inc.
2.1 Usual Dosage and AdministrationThe usual dosage and frequency of administration of doxycycline differs from that of the other tetracyclines. Exceeding the recommended dosage may result in an increased incidence of side effects.
Adults: The usual dose of oral doxycycline is 200 mg on the first day of treatment (administered 100 mg every 12 hours), followed by a maintenance dose of 100 mg daily. The maintenance dose may be administered as a single dose or as 50 mg every 12 hours. In the management of more severe infections (particularly chronic infections of the urinary tract), 100 mg every 12 hours is recommended.
For pediatric patients above eight years of age: The recommended dosage schedule for children weighing 45 kg or less is 4.4 mg/kg of body weight divided into two doses on the first day of treatment, followed by 2.2 mg/kg of body weight given as a single daily dose or divided into two doses on subsequent days. For more severe infections up to 4.4 mg/kg of body weight may be used. For children over 45 kg, the usual adult dose should be used.
Administration of adequate amounts of fluid along with capsule and tablet forms of drugs in the tetracycline-class is recommended to wash down the drugs and reduce the risk of esophageal irritation and ulceration [see Adverse Reactions (6.1)].
If gastric irritation occurs, doxycycline may be given with food or milk [see Clinical Pharmacology (12)].
When used in streptococcal infections, therapy should be continued for 10 days.
Uncomplicated urethral, endocervical, or rectal infection caused by Chlamydia trachomatis: 100 mg by mouth twice a day for 7 days.
Uncomplicated gonococcal infections in adults (except anorectal infections in men): 100 mg, by mouth, twice-a-day for 7 days. As an alternate single visit dose, administer 300 mg stat followed in one hour by a second 300 mg dose.
Nongonococcal urethritis (NGU) caused by U. urealyticum: 100 mg by mouth twice-a-day for 7 days.
Syphilis – early: Patients who are allergic to penicillin should be treated with doxycycline 100 mg by mouth twice-a-day for 2 weeks.
Syphilis of more than one year's duration: Patients who are allergic to penicillin should be treated with doxycycline 100 mg by mouth twice-a-day for 4 weeks.
Acute epididymo-orchitis caused by C. trachomatis: 100 mg, by mouth, twice-a-day for at least 10 days.
2.2 For prophylaxis of malariaFor adults, the recommended dose is 100 mg daily. For children over 8 years of age, the recommended dose is 2 mg/kg given once daily up to the adult dose. Prophylaxis should begin 1 or 2 days before travel to the malarious area. Prophylaxis should be continued daily during travel in the malarious area and for 4 weeks after the traveler leaves the malarious area.
2.3 Inhalational anthrax (post-exposure)Adults: 100 mg, of doxycycline, by mouth, twice-a-day for 60 days.
Children: weighing less than 45 kg, 2.2 mg/kg of body weight, by mouth, twice-a-day for 60 days. Children weighing 45 kg or more should receive the adult dose.
2.4 Sprinkling the tablet over applesauceDoxycycline hyclate delayed-release tablets may also be administered by carefully breaking up the tablet and sprinkling the tablet contents (delayed-release pellets) on a spoonful of applesauce. The delayed-release pellets must not be crushed or damaged when breaking up the tablet. Any loss of pellets in the transfer would prevent using the dose. The applesauce/doxycycline hyclate delayed-release tablets mixture should be swallowed immediately without chewing and may be followed by a glass of water if desired. The applesauce should not be hot, and it should be soft enough to be swallowed without chewing. In the event that a prepared dose of applesauce/doxycycline hyclate delayed-release tablets cannot be taken immediately, the mixture should be discarded and not stored for later use.
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