Thraz Uses

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What is Thraz?

Thraz injection is used to treat bacterial infections in many different parts of the body. It is also used to prevent Mycobacterium avium complex (MAC) disease in patients infected with the human immunodeficiency virus (HIV).

Thraz belongs to the class of drugs known as macrolide antibiotics. It works by killing bacteria or preventing their growth. However, Thraz will not work for colds, flu, or other virus infections. Thraz injection may be used for other problems as determined by your doctor.

Thraz is available only with your doctor's prescription.

Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not included in product labeling, Thraz is used in certain patients with the following medical condition:

Thraz indications

An indication is a term used for the list of condition or symptom or illness for which the medicine is prescribed or used by the patient. For example, acetaminophen or paracetamol is used for fever by the patient, or the doctor prescribes it for a headache or body pains. Now fever, headache and body pains are the indications of paracetamol. A patient should be aware of the indications of medications used for common conditions because they can be taken over the counter in the pharmacy meaning without prescription by the Physician.
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To reduce the development of drug-resistant bacteria and maintain the effectiveness of Thraz Tablets and other antibacterial drugs, Thraz Tablets should be used only to treat 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.

Thraz Tablets are a macrolide antibacterial drug indicated for the treatment of patients with mild to moderate infections caused by susceptible strains of the designated microorganisms in the specific conditions listed below.

Mycobacterial Infections

Prophylaxis of Disseminated Mycobacterium avium complex (MAC) Disease

Thraz Tablets, taken alone or in combination with rifabutin at its approved dose, are indicated for the prevention of disseminated MAC disease in persons with advanced HIV infection.

Treatment of Disseminated MAC Disease

Thraz Tablets, taken in combination with ethambutol, are indicated for the treatment of disseminated MAC infections in persons with advanced HIV infection.

How should I use Thraz?

Use Thraz drops as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Ask your health care provider any questions you may have about how to use Thraz drops.

Uses of Thraz in details

There are specific as well as general uses of a drug or medicine. A medicine can be used to prevent a disease, treat a disease over a period or cure a disease. It can also be used to treat the particular symptom of the disease. The drug use depends on the form the patient takes it. It may be more useful in injection form or sometimes in tablet form. The drug can be used for a single troubling symptom or a life-threatening condition. While some medications can be stopped after few days, some drugs need to be continued for prolonged period to get the benefit from it.
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Use: Labeled Indications

Oral, IV:

Chancroid: Treatment of genital ulcer disease (in men) due to Haemophilus ducreyi (chancroid)

Chronic obstructive pulmonary disease, acute exacerbation: Treatment of acute bacterial exacerbations of chronic obstructive pulmonary disease (COPD) due to Haemophilus influenzae, Moraxella catarrhalis, or Streptococcus pneumoniae

Mycobacterium avium complex: Prevention of Mycobacterium avium complex (MAC) in patients with advanced HIV infection; treatment of disseminated MAC (in combination with ethambutol) in patients with advanced HIV infection

Otitis media, acute: Treatment of acute otitis media due to H. influenzae, M. catarrhalis, or S. pneumoniae

Pneumonia, community-acquired: Treatment of community-acquired pneumonia (CAP) due to Chlamydophila pneumoniae, H. influenzae, Legionella pneumophila, M. catarrhalis, Mycoplasma pneumoniae, or S. pneumoniae

Skin and skin structure infection, uncomplicated: Treatment of uncomplicated skin and skin structure infections due to Staphylococcus aureus, Streptococcus pyogenes, or Streptococcus agalactiae

Streptococcal pharyngitis (group A): Treatment of pharyngitis/tonsillitis due to S. pyogenes as an alternative to first-line therapy

Urethritis/cervicitis: Treatment of urethritis and cervicitis due to Chlamydia trachomatis or Neisseria gonorrhoeae

Off Label Uses

Acne vulgaris

Data from controlled trials support the use of Thraz in the treatment of acne vulgaris in adults with moderate to severe acne.

Based on the American Academy of Dermatology guidelines of care for the management of acne vulgaris, Thraz, in combination with topical therapy, may be considered as a treatment option for moderate and severe acne and forms of inflammatory acne that are resistant to topical treatments. However, its use should be limited to patients who cannot receive a tetracycline (ie, pregnant women). Concomitant topical therapy with benzoyl peroxide or a retinoid should be administered with systemic antibiotic therapy (eg, Thraz) and continued for maintenance after the antibiotic course is completed.

Babesiosis

Data from a prospective, nonblinded, randomized trial in patients with non-life-threatening babesiosis, support the use of Thraz (in combination with atovaquone) for the treatment of this condition.

Based on the CDC Yellow Book, the ACG guideline for the diagnosis, treatment, and prevention of acute diarrheal infections in adults, and the IDSA practice guidelines for the diagnosis and management of infectious diarrhea, Thraz is effective and recommended treatment for patients with travelers' diarrhea. Due to increased levels of resistance to fluoroquinolones, Thraz may be a recommended first-line treatment, especially in regions with a high prevalence of Campylobacter (eg, Southeast Asia, India) or in geographical areas with suspected fluoroquinolone-resistant pathogens or enterotoxigenic Escherichia coli.

Thraz description

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Each film-coated tablet contains Azithromycin dihydrate equivalent to Thraz 500 mg.

Thraz is a nitrogen-containing macrolide or azalide with actions and uses similar to those of erythromycin. Thraz is derived from erythromycin. However, it differs chemically from erythromycin in that a methyl-substituted nitrogen atom is incorporated into the lactone ring.

Thraz dosage

Tablet: Adults: Usual Dose: 500 mg as a single dose daily for 3 days. Alternatively, an initial dose of 500 mg may be followed by 250 mg daily for a further 4 days.

Uncomplicated Genital Infections Caused by Chlamydia trachomatis and for Chancroid: 1 g given as a single dose.

Uncomplicated Gonorrhoea: A single dose of 2 g has been given.

Treatment of Granuloma Inguinale: Initially, 1 g followed by 500 mg daily may be given or 1 g may be given once a week for at least 3 weeks, until all lesions have completely healed.

Mild or Moderate Typhoid Caused by Multidrug-Resistant Strains: 500 mg once daily may be given for 7 days.

Injection: Treatment of Mild to Moderate CAP in Adults: 500 mg given as a single dose on the 1st day of therapy, followed by 250 mg once daily on days 2-5. Total Cumulative Dose: 1.5 g administered over 5 days.

Treatment of CAP in Adults or Adolescents ≥16 years who Require Initial IV Therapy: 500 mg given IV as a single daily dose for 2 days. IV therapy generally is followed by oral Thraz given as a single, daily 500-mg dose to complete a 7-10 days of therapy. The timing of the change from IV to oral therapy should be individualized by the physician, taking into account the clinical response of the patient.

Treatment of Acute PID in Patients Requiring Initial IV Therapy: 500 mg given IV as a single daily dose for 1-2 days. If anaerobic bacteria are suspected, an anti-infective active against anaerobes should also be used. IV therapy generally is followed by oral Thraz 250 mg once daily to complete a 7-day course of therapy. The timing of the change from IV to oral therapy should be individualized by the physician, taking into account clinical response of the patient.

Administration: Thraz for IV infusion must be reconstituted and be further diluted prior to administration. Thraz powder for injection is for IV use only.

IV solutions containing Thraz in a concentration of 1 mg/mL generally are infused over 3 hrs and solutions containing Thraz 2 mg/mL generally are infused over 1 hr.

Thraz interactions

See also:
What other drugs will affect Thraz?

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Antacids: In a pharmacokinetic study investigating the effects of simultaneous administration of antacid with Thraz, no effects on overall bioavailability was seen although peak serum concentrations were reduced by up to 30%. In patients receiving both Thraz and antacids, the drug should not be taken simultaneously.

Carbamazepine: In a pharmacokinetic interaction study in healthy volunteers, no significant effect was observed on the plasma levels of carbamazepine or its active metabolite in patients receiving concomitant Thraz.

Cimetidine: A single dose of cimetidine administered 2 hrs before Thraz had no effect on the pharmacokinetics of Thraz.

Cyclosporin: In the absence of conclusive data from pharmacokinetics or clinical studies investigating potential interaction between Thraz and cyclosporin, caution should be exercised before concurrent administration of these drugs. If co-administration of these drugs is necessary, cyclosporin levels should be monitored and the dose adjusted accordingly.

Digoxin: Some of the macrolide antibiotics have been reported to impair the metabolism of digoxin (in the gut) in some patients. Therefore, in patients receiving concomitant Thraz and digoxin, the possibility of raised digoxin levels should be bourne in mind, and digoxin levels monitored.

Ergot Derivatives: Because of the theoretical possibility of ergotism, Thraz and ergot derivatives should not be co-administered.

Methylprednisolone: In a pharmacokinetic interaction study in healthy volunteers, Thraz had no significant effect on the pharmacokinetics of methylprednisolone.

Terfenadine: Pharmacokinetic studies have reported no evidence of an interaction between Thraz and terfenadine. There have been rare cases reported where the possibility of such an interaction could not be entirely excluded; however, there was no specific evidence that such an interaction had occured.

Theophylline: There is no evidence of any pharmacokinetic interaction when Thraz and theophylline are co-administered in healthy volunteers.

Coumarin-Type

Oral Anticoagulants:

In a pharmacodynamic interaction study, Thraz did not alter the anticoagulant effect of a single dose warfarin 15 mg administered to healthy volunteers. There have been reports received in the post-marketing period of potentiated anticoagulant subsequent to co-administration of Thraz and coumarin-type oral anticoagulants. Although a causal relationship has not been established, consideration should be given to the frequency of monitoring prothrombin time when Thraz is used in patients receiving coumarin-type oral anticoagulants.

Zidovudine: Single 1000 mg doses, and multiple 1200 mg or 600 mg doses of Thraz did not affect the plasma pharmacokinetics or urinary excretion of zidovudine or its glucuronide metabolite. However, administration of Thraz increased the concentrations of phosphorylated zidovudine, the clinically active metabolite, in peripheral blood mononuclear cells. The clinical significance of this finding is unclear, but it may be of benefit to patients.

Didanosine: Co-administration of daily doses of Thraz 1200 mg with didanosine in 6 subjects did not appear to affect the pharmacokinetics of didanosine as compared with placebo.

Rifabutin: Co-administration of Thraz and rifabutin did not affect the serum concentrations of either drug. Neutropenia was observed in subjects receiving concomitant treatment of Thraz and rifabutin. Although neutropenia has been associated with the use of rifabutin, a causal relationship to combination with Thraz has not been established.

Thraz side effects

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What are the possible side effects of Thraz?

Thraz is well tolerated with a low incidence of side effect. Palpitations and arrhythmias including ventricular tachycardia (as seen with other macrolides) have been reported although a causal relationship to Thraz has not been established.

Dizziness/vertigo, convulsions (as seen with other macrolides), headache, somnolence, paraesthesia and hyperactivity.

Anorexia, nausea, vomiting/diarrhea (rarely resulting in dehydration), loose stools, dyspepsia, abdominal discomfort (pain/cramps), constipation, flatulence, pseudomembranous colitis and rare reports of tongue discolouration.

Asthenia has been reported although a causal relationship has not been established, moniliasis and anaphylaxis (rarely fatal).

Interstitial nephritis and acute failure.

Thrombocytopenia.

Abnormal liver function including hepatitis and cholestatic jaundice have been reported, as well as rare cases of hepatic necrosis and hepatic failure, which have rarely resulted in death.

However, a causal relationship has not been established.

Arthralgia.

Aggressive reaction, nervousness, agitation and anxiety.

Vaginitis.

Allergic reactions including pruritus, rash, photosensitivity, oedema, urticaria and angioedema. Rarely, serious skin reactions including erythema multiforme, Stevens-Johnsons syndrome and toxic epidermal necrolysis have occured.

Hearing impairment has been reported with macrolide antibiotics. There have been reports of hearing impairment, including hearing loss, deafness and/or tinnitus in some patients receiving Thraz. Many of these have been associated with prolonged use of high doses in investigational studies. In those cases where follow-up information was available, the majority of theses events were reversible.

There have been reports of taste perversion. Transient episodes of mild neutropenia have occasionally been observed in clinical trials, although a causal relationship to Thraz has not been established.

Thraz contraindications

See also:
What is the most important information I should know about Thraz?

Hypersensitivity

Thraz Tablets are contraindicated in patients with known hypersensitivity to Thraz, erythromycin, any macrolide, or ketolide drug.

Hepatic Dysfunction

Thraz Tablets are contraindicated in patients with a history of cholestatic jaundice/hepatic dysfunction associated with prior use of Thraz.

Active ingredient matches for Thraz:

Azithromycin in India.


Unit description / dosage (Manufacturer)Price, USD
Thraz 250mg TAB / 60$ 13.17
Thraz 500mg TAB / 30$ 12.86
Thraz 100mg x 5mL SUSP / 15ml$ 0.40
Thraz 200mg x 5mL SUSP / 15ml$ 0.68
250 mg x 60's$ 13.17
500 mg x 30's$ 12.86
100 mg x 5 mL x 15ml$ 0.40
200 mg x 5 mL x 15ml$ 0.68
Thraz 250 mg Tablet$ 0.10
THRAZ 250MG TABLET 1 strip / 6 tablets each (Acme Pharmaceutical)$ 1.40
THRAZ 500MG TABLET 1 strip / 3 tablets each (Acme Pharmaceutical)$ 1.30
THRAZ tab 250 mg x 10's (Acme Pharma)$ 2.19
THRAZ tab 500 mg x 10's (Acme Pharma)$ 4.29
THRAZ oral susp 100 mg x 5 mL x 15ml (Acme Pharma)$ 0.40
THRAZ oral susp 200 mg x 5 mL x 15ml (Acme Pharma)$ 0.68
Thraz 250mg Tablet (Acme Pharmaceutical)$ 0.23
Thraz 500mg Tablet (Acme Pharmaceutical)$ 0.43

List of Thraz substitutes (brand and generic names):

THREEOMYCIN 250MG TABLET 1 strip / 6 tablets each (Southshourne Corporation India)$ 0.87
THREEOMYCIN 500MG TABLET 1 strip / 3 tablets each (Southshourne Corporation India)$ 0.91
Threeomycin 500mg Tablet (Southshourne Corporation India)$ 0.30
THREEOMYCIN KID 100MG TABLET 1 strip / 3 tablets each (Southshourne Corporation India)$ 0.25
Thro 250mg TAB / 3 (Olcare (Olski))$ 0.62
Thro 500mg TAB / 3 (Olcare (Olski))$ 1.19
THRO tab 250 mg x 3's (Olcare (Olski))$ 0.62
THRO tab 500 mg x 3's (Olcare (Olski))$ 1.19
Throazi 250mg TAB / 100t (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 19.84
Throazi 500mg TAB / 30 (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 10.24
250 mg x 10's (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 1.98
500 mg x 10's (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 3.41
Throazi 250 mg Tablet (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 0.20
Throazi 500 mg Tablet (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 0.34
Throazi 250mg TAB / 10 (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 1.98
Throazi 500mg TAB / 10 (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 3.41
THROAZI tab 250 mg x 10's (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 1.98
THROAZI tab 500 mg x 10's (Sanative Remedies (Sanify Healthcare Pvt. Ltd.))$ 3.41
Throbit 250mg TAB / 10 (Cubit)
Throbit 500mg TAB / 3 (Cubit)
250 mg x 10's (Cubit)
500 mg x 3's (Cubit)
THROBIT 250MG TABLET 1 strip / 10 tablets each (Cubit)$ 1.88
THROBIT 500MG TABLET 1 strip / 10 tablets each (Cubit)$ 1.32
THROBIT tab 250 mg x 10's (Cubit)
THROBIT tab 500 mg x 3's (Cubit)
Throbit 250mg Tablet (Cubit)$ 0.19
Throbit 500mg Tablet (Cubit)$ 0.13
Throcure 100mg TAB / 100 (Cure Quick Remedies)$ 9.52
Throcure 250mg TAB / 100 (Cure Quick Remedies)$ 19.05
Throcure 200mg SUSP / 200ml (Cure Quick Remedies)$ 1.08
100 mg x 100's (Cure Quick Remedies)$ 9.52
250 mg x 100's (Cure Quick Remedies)$ 19.05
200 mg x 200ml (Cure Quick Remedies)$ 1.08
Throcure 100 mg Tablet (Cure Quick Remedies)$ 0.10
Throcure 200 ml Suspension (Cure Quick Remedies)$ 0.03
Throcure 250 mg Tablet (Cure Quick Remedies)$ 0.19
THROCURE tab 100 mg x 10's (Cure Quick Remedies)$ 0.95
THROCURE tab 250 mg x 10's (Cure Quick Remedies)$ 1.90
THROCURE oral susp 200 mg x 200ml (Cure Quick Remedies)$ 1.08
Throcure DS 500 mg Tablet (Cure Quick Remedies)$ 0.40
Throcure-DS 500mg TAB / 3 (Cure Quick)$ 1.19
500 mg x 3's (Cure Quick)$ 1.19
THROCURE-DS tab 500 mg x 3's (Cure Quick)$ 1.19
Throin 250mg TAB / 6 (Lifecare)$ 1.25

References

  1. DailyMed. "AZITHROMYCIN: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
  2. PubChem. "azithromycin". https://pubchem.ncbi.nlm.nih.gov/com... (accessed September 17, 2018).
  3. DrugBank. "azithromycin". http://www.drugbank.ca/drugs/DB00207 (accessed September 17, 2018).

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