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Gatifloxacin Capsules

Function and Efficacy

1. This product can slow down the renal excretion of gatifloxacin when used in combination with probenecid. 2. The bioavailability of gatifloxacin is reduced when ferrous sulfate, aluminum or magnesium antacids and dehydroxyglycosides (didanoxine, huituz) are used in combination with this product. However, taking this product 4 hours before taking ferrous sulfate, dietary supplements containing zinc, magnesium, iron, etc. (such as multivitamins), or aluminum/magnesium antacids or dehydroxyglycosides (didanoxine, huituz) does not affect the pharmacokinetic process of gatifloxacin. 3. No interaction was observed when milk, calcium carbonate, cimetidine, theophylline, warfarin, glyburide or midazolam were taken at the same time with this product. 4. When this product was taken at the same time with digoxin, no significant changes in the pharmacokinetic parameters of gatifloxacin were observed, but the blood concentration of digoxin was found to be increased in some subjects. Therefore, the symptoms and signs of digoxin toxicity should be monitored in patients taking digoxin. For patients who exhibit signs and symptoms of toxicity, digoxin plasma concentrations should be measured and the digoxin dose adjusted appropriately.

Ingredients

The main active ingredient of this product is gatifloxacin, whose chemical name is: 1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid. Molecular formula: C19H22FN3O4, molecular weight: 375.40.

Name Description Content CAS NO. Manufacturer
GatifloxacinIngredients

1. Combination with probenecid can slow down the renal excretion of gatifloxacin. 2. Combination of ferrous sulfate, aluminum or magnesium-containing antacids and dehydroxyglycoside with this product will reduce the bioavailability of gatifloxacin; however, taking this product 4 hours before taking the above drugs will not affect its pharmacokinetic process. 3. No interaction was observed when milk, calcium carbonate, cimetidine, theophylline, warfarin, glyburide or midazolam were taken simultaneously with this product. 4. When taken simultaneously with digoxin, some subjects found that the blood concentration of digoxin increased. It is recommended to monitor the toxic reactions of patients taking digoxin and adjust the digoxin dose.

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112811-59-3 20

Appearance

This product is a hard capsule, and the contents are off-white granules and powder.

Indication

This product is mainly used for various infectious diseases caused by sensitive pathogens, including acute exacerbation of chronic bronchitis, acute sinusitis, community-acquired pneumonia, simple urinary tract infection (cystitis) and complicated urinary tract infection, acute pyelonephritis, male gonococcal urinary tract inflammation or rectal infection and female gonococcal cervical infection.

Usage and Dosage

Oral, once daily, 400 mg (2 tablets) each time. Table 1. Dosage Guidelines Infection (depending on the pathogen) Daily dose Course of treatment Acute exacerbation of chronic bronchitis 400 mg 7-10 days Acute sinusitis 400 mg 10 days Community-acquired pneumonia 400 mg 7-14 days Uncomplicated urinary tract infection 400 mg single dose or 200 mg 3-5 days Complicated urinary tract infection 400 mg 7-10 days Acute pyelonephritis 400 mg 7-10 days Male uncomplicated gonococcal urinary tract infection 400 mg single dose Female cervical and rectal gonococcal infection 400 mg single dose Gatifloxacin is mainly excreted through the kidneys. Patients with creatinine clearance < 40 ml/min, including hemodialysis and long-term peritoneal dialysis patients, should adjust the dose of this product. Hemodialysis patients should take the drug after each hemodialysis session. Table 2. Recommended doses of this product for patients with renal insufficiency Creatinine clearance Initial dose Maintenance dose ≥40ml/min400mg400mg/day<40ml/min400mg200mg/day Hemodialysis 400mg200mg/day Peritoneal dialysis 400mg200mg/day Maintenance dose Start from the second day of medication Patients with renal insufficiency use a single dose of 400mg to treat simple urinary tract infection or gonorrhea, and 200mg daily for 3 days to treat simple urinary tract infection, without the need to adjust the dose of this product.

Adverse Reactions

Common adverse reactions in domestic and international clinical trials of this product are nausea, vaginitis, diarrhea, headache, and dizziness. Drug-related adverse events with lower incidence include: Systemic reactions: allergic reactions, chills, fever, back pain and chest pain. Cardiovascular system: palpitations. Digestive system: abdominal pain, constipation, indigestion, glossitis, candidal stomatitis, stomatitis, oral ulcers, vomiting. Metabolic and nutritional system: peripheral edema. Nervous system: dreaminess, insomnia, paresthesia, tremor, vasodilation, dizziness. Respiratory system: dyspnea, pharyngitis. Skin and skin soft tissue: rash, sweating. Special senses: abnormal vision, abnormal taste, tinnitus. Urogenital system: dysuria, hematuria. Other rare adverse events related to the drug include: abnormal thinking, irritability, alcohol intolerance, loss of appetite, anxiety, arthralgia, arthritis, asthenia, asthma (bronchospasm), ataxia, bone pain, bradycardia, breast pain, cheilitis, colitis, confusion, convulsions, cyanosis, depersonalization, depression, diabetes, dry skin, dysphagia, ear disease, ecchymosis, edema, epistaxis, euphoria, eye pain, facial edema, flatulence, gastritis, gastrointestinal bleeding, toothache, Gingivitis, halitosis, hallucination, hematemesis, hostility, hyperesthesia, hyperglycemia, hypertension, increased muscle tension, hyperventilation, hypoglycemia, leg cramps, lymphadenopathy, maculopapular rash, uterine bleeding, migraine, mouth edema, myalgia, muscle weakness, neck pain, nervousness, panic, paranoia, parosmia, pruritus, pseudomembranous colitis, psychosis, ptosis, rectal bleeding, drowsiness, tension, substernal chest pain, tachycardia, loss of taste, dry mouth, tongue swelling, herpes, etc. The incidence of abnormal changes in laboratory tests is low, including: leukopenia, increased ALT or AST, and alkaline phosphatase, total bilirubin, serum amylase, electrolyte abnormalities, etc.

Precautions

This product is contraindicated in patients who are allergic to gatifloxacin or quinolones.

Special Population Medication

Precautions for children: The efficacy and safety of this product for children and adolescents (under 18 years old) have not been established, and its use is not recommended at present. Precautions for pregnancy and lactation: The efficacy and safety of gatifloxacin for pregnant women and lactating women have not been established. Pregnant women and lactating women should use this product with caution. It can only be considered when the benefits of using this product outweigh the possible risks to the fetus and infant. Precautions for the elderly: Although there are slight pharmacokinetic differences between elderly female subjects and young women, this difference is mainly due to the physiological decline of renal function with age. The dosage should be determined according to their renal function.

Drug Interactions

1. This product can slow down the renal excretion of gatifloxacin when used in combination with probenecid. 2. The bioavailability of gatifloxacin is reduced when ferrous sulfate, aluminum or magnesium antacids and dehydroxyglycosides (didanoxine, huituz) are used in combination with this product. However, taking this product 4 hours before taking ferrous sulfate, dietary supplements containing zinc, magnesium, iron, etc. (such as multivitamins), or aluminum/magnesium antacids or dehydroxyglycosides (didanoxine, huituz) does not affect the pharmacokinetic process of gatifloxacin. 3. No interaction was observed when milk, calcium carbonate, cimetidine, theophylline, warfarin, glyburide or midazolam were taken at the same time with this product. 4. When this product was taken at the same time with digoxin, no significant changes in the pharmacokinetic parameters of gatifloxacin were observed, but the blood concentration of digoxin was found to be increased in some subjects. Therefore, the symptoms and signs of digoxin toxicity should be monitored in patients taking digoxin. For patients who exhibit signs and symptoms of toxicity, digoxin plasma concentrations should be measured and the digoxin dose adjusted appropriately.

Storage

Keep away from light and store in airtight container.

Packaging Specification

0.1 g

Validity Period

24 months

Manufacturer

Hubei Biocause Heilen Pharmaceutical Co., Ltd.

  • Founded in:

    1995-12-29
  • Address:

    No. 122, Yangwan Road, Duodao District, Jingmen City
  • Tax NO.:

    91420800615406429F
  • Registered Funds:

    288 million yuan
  • Website:

  • Email:

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