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Norfloxacin Capsules

Function and Efficacy

This product is a fluoroquinolone antibacterial drug with a broad-spectrum antibacterial effect, especially high antibacterial activity against aerobic Gram-negative bacteria. It has good antibacterial activity against the following bacteria in vitro: most bacteria of the Enterobacteriaceae family, including Citrobacter, Enterobacter cloacae, Enterobacter aerogenes and other Enterobacter species, Escherichia coli, Klebsiella, Proteus, Salmonella, Shigella, Vibrio, Yersinia, etc. Norfloxacin also has antibacterial activity against multi-drug resistant bacteria in vitro. It also has good antibacterial effects on penicillin-resistant Neisseria gonorrhoeae, Haemophilus influenzae and Moraxella catarrhalis. Norfloxacin is a bactericide that acts on the A subunit of bacterial DNA helicase, inhibiting DNA synthesis and replication, leading to bacterial death.

Ingredients

This product is a fluoroquinolone antibacterial drug

Name Description Content CAS NO. Manufacturer
NorfloxacinIngredients

Fluoroquinolone antibiotics have a broad-spectrum antibacterial effect, especially against aerobic Gram-negative bacteria. They act on the A subunit of bacterial DNA helicase, inhibit DNA synthesis and replication, and cause bacterial death. They also have good antibacterial effects on penicillin-resistant Neisseria gonorrhoeae, Haemophilus influenzae, and Moraxella catarrhalis.

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70458-96-7 34

Appearance

This product is a capsule, and the contents are white to light yellow powder.

Indication

Suitable for urinary tract infection, gonorrhea, prostatitis, intestinal infection, typhoid and other salmonella infections caused by sensitive bacteria

Usage and Dosage

Oral 1. Acute simple lower urinary tract infection caused by Escherichia coli, Klebsiella pneumoniae and Proteus mirabilis: 400 mg once, twice a day, for a course of 3 days. 2. The dosage for simple urinary tract infection caused by other pathogens is the same as above, and the course of treatment is 7 to 10 days. 3. The dosage for complicated urinary tract infection is the same as above, and the course of treatment is 10 to 21 days. 4. Simple gonococcal urethritis: 800 to 1200 mg once. 5. Acute and chronic prostatitis: 400 mg once, twice a day, for a course of treatment of 28 days. 6. Intestinal infection: 300 to 400 mg once, twice a day, for a course of treatment of 5 to 7 days. 7. Typhoid Salmonella infection: 800 to 1200 mg a day, divided into 2 to 3 times, for a course of treatment of 14 to 21 days.

Adverse Reactions

1. Gastrointestinal reactions are common and may manifest as abdominal discomfort or pain, diarrhea, nausea or vomiting. 2. Central nervous system reactions may include dizziness, headache, drowsiness or insomnia. 3. Allergic reactions include rash and pruritus, and occasionally exudative erythema multiforme and angioneurotic edema. A small number of patients may have photosensitivity reactions. 4. Occasionally, the following may occur: (1) epileptic seizures, mental abnormalities, irritability, impaired consciousness, hallucinations, and tremors. (2) interstitial nephritis symptoms such as hematuria, fever, and rash. (3) phlebitis. (4) crystalluria, which is more common when high doses are used. (5) joint pain. 5. A small number of patients may experience elevated serum aminotransferase, elevated blood urea nitrogen, and decreased peripheral white blood cells, which are usually mild and transient.

Precautions

Patients who are allergic to this product and fluoroquinolones are contraindicated.

Special Population Medication

Precautions for children: The safety of this product in infants and adolescents under 18 years of age has not been established. However, this product can cause joint lesions when used in several young animals. This product should not be used in children and adolescents under 18 years of age. Precautions for pregnancy and lactation: Reproduction studies have been conducted with monkeys, with doses as high as 10 times the human dose, and it was found that this product can cause abortion. The peak plasma concentration (Cmax) of this dose in monkeys is about twice that of humans. This product has not been proven to be teratogenic in animals. However, no appropriate and well-controlled studies have been conducted in pregnant women, so this product should not be used in pregnant women. There is still a lack of information on whether this product is secreted through breast milk. When a lactating woman uses 200 mg of this product, the drug cannot be detected in breast milk. However, due to the small study dose, and the fact that other varieties of this class of drugs are secreted through breast milk, coupled with the potential serious adverse reactions to newborns and infants, lactating women should avoid using this product or stop breastfeeding when using it. Precautions for the elderly: Elderly patients often have impaired renal function, and because this product is partially excreted through the kidneys, it needs to be used in a reduced dose.

Drug Interactions

1. Urine alkalinizing agents can reduce the solubility of this product in urine, leading to crystalluria and nephrotoxicity. 2. When this product is used in combination with theophylline, competitive inhibition of the binding site of cytochrome P450 may lead to a significant reduction in the liver clearance of theophylline, a prolonged blood elimination half-life (t1/2#61538;;), an increase in blood drug concentration, and the appearance of symptoms of theophylline poisoning, such as nausea, vomiting, tremor, restlessness, excitement, convulsions, palpitations, etc. Therefore, theophylline blood drug concentration should be measured and the dose adjusted when used in combination. 3. Cyclosporine combined with this product can increase the blood drug concentration of the former. The blood concentration of cyclosporine must be monitored and the dose adjusted. 4. This product can enhance the anticoagulant effect of the latter when used with the anticoagulant warfarin. The patient's prothrombin time should be closely monitored when used in combination. 5. Probenecid can reduce the secretion of this product from the renal tubules by about 50%. When used in combination, it may cause toxicity due to the increased blood concentration of this product. 6. This product has an antagonistic effect with nitrofurantoin and is not recommended for combined use. 7. Multivitamins, or other preparations containing iron or zinc ions, and antacids containing aluminum or magnesium can reduce the absorption of this product. It is recommended to avoid co-use. If it cannot be avoided, take it 2 hours before or 6 hours after taking this product. 8. Didanosine (DDI) can reduce the oral absorption of this product. Because its preparation contains aluminum and magnesium, it can chelate with fluoroquinolones, so it is not suitable for co-use. 9. This product interferes with the metabolism of caffeine, resulting in reduced caffeine clearance, prolonged blood elimination half-life (t1/2#61538;;), and possible central nervous system toxicity.

Storage

Keep away from light and store in sealed container.

Packaging Specification

0.1g

Validity Period

12 months

Manufacturer

Chongqing KERUI Pharmaceutical (GROUP) Co., Ltd.

  • Founded in:

    1999-03-03
  • Address:

    No. 2 Dashizhi Road, Nan'an Economic and Technological Development Zone, Chongqing
  • Tax NO.:

    915001082031636780
  • Registered Funds:

    110.6375 million yuan
  • Website:

  • Email:

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