Compound levofloxacin hydrochloride injection and preparation method thereof

A technology of levofloxacin hydrochloride and injection, which is applied in the fields of medical formula, digestive system, antibacterial drugs, etc. It can solve the problems of poor therapeutic effect of monomer antibacterial drugs, economic losses of pig farms and farmers, and decline of drug chemotherapy effects, etc., to achieve The effect of preventing and controlling swine diarrhea, low cost and improving survival rate

Active Publication Date: 2017-12-19
HARBIN QIAN HE ANIMAL DRUGS MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is not treated in time, it will easily lead to the death of piglets and bring huge economic losses to pig farms and farmers
[0003] Bacteria have a certain tolerance to antibacterial drugs. Once drug resistance occurs, the chemotherapeutic effect of the drug will be significantly reduced; therefore, the therapeutic effect of monomeric antibacterial drugs is getting worse and worse, and even lead to secondary infections and other diseases.

Method used

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  • Compound levofloxacin hydrochloride injection and preparation method thereof
  • Compound levofloxacin hydrochloride injection and preparation method thereof
  • Compound levofloxacin hydrochloride injection and preparation method thereof

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0019] Specific embodiment one: The compound levofloxacin hydrochloride injection of this embodiment is composed of 10~50g patinol, 20~50g levofloxacin hydrochloride, 100~300g composite organic solvent, 1~5g surfactant, 1g~10g antioxidant and The remainder is made with water for injection.

specific Embodiment approach 2

[0020] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the composite organic solvent is composed of two or more substances in ethanol, propylene glycol and dimethylformamide. Others are the same as the first embodiment.

[0021] In this embodiment, the composite organic solvent is composed of two or more substances, and the relationship between the components can be in any proportion.

specific Embodiment approach 3

[0022] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the surfactant is Span, Tween or Poloxamer. Others are the same as the first or second embodiment.

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Abstract

Compound levofloxacin hydrochloride injection and preparation method thereof. It relates to an injection and a preparation method thereof. It provides a drug for treating diarrhea in piglets, and bacteria do not develop resistance to the drug. The drug has the advantages of wide antibacterial range, long half-life, and low drug residue. The compound levofloxacin hydrochloride injection is prepared from palmatine, levofloxacin hydrochloride, compound organic solvent, surfactant, antioxidant and water for injection. Preparation method: 1. weighing raw materials; 2. dissolving palmatine; 3. dissolving levofloxacin hydrochloride; 4. adding antioxidant; 5. mixing; 6. adding remaining water for injection, potting and sterilizing. The compound levofloxacin hydrochloride injection of the present invention adopts the mutual cooperation of Chinese and western medicines to achieve the effect of treating both symptoms and root causes; the antibacterial scope of the medicines is enhanced, the swine diarrhea can be prevented and controlled, the survival rate of pig herds can be improved, and the breeding efficiency can be promoted.

Description

technical field [0001] The invention relates to an injection and a preparation method thereof. Background technique [0002] coli, Salmonella, Pasteurella multocida, enterotoxigenic Escherichia coli (ETEC), small rotavirus, enterotype adenovirus, Borrelia hyodysenteriae, porcine epidemic diarrhea virus (PEDV) and porcine infectious gastrointestinal Piglet diarrhea caused by TGEV and other causes is a typical multi-pathogenic disease under the conditions of intensive pig production. It occurs repeatedly from the beginning of winter to the beginning of spring, the incidence rate is high, and the course of disease is 5 to 10 days. Sick pigs have uneven skin temperature, cold ears and nose, runny nose, abdominal distension and borborygmus, aversion to cold and cold lying down, decreased or no appetite, no fever or mild fever, more than ten times of daily diarrhea, clear and thin stool , showing progressive weight loss, rapid dehydration and fat loss after one day of diarrhea. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K31/5383A61K9/08A61P1/12A61P31/04A61K31/4375
Inventor 于洪水
Owner HARBIN QIAN HE ANIMAL DRUGS MFR
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