Clindamycin phosphate is the precursor active molecule of Clindamycin (HY-B1455), and it is a broad-spectrum antibacterial lincomycin antibiotic. However, this product has no antibacterial activity in vitro, but it can be quickly converted into an active parent active molecule Clindamycin by phosphatase hydrolysis in vivo.
The pure Clindamycin Phosphate Powder is a white solid organic compound with the chemical formula of C18H34ClN2O8PS. Experiments show that this product is the same as the antibiotic clindamycin in antibacterial spectrum, antibacterial activity and therapeutic effect. However, due to the structure of phosphate, its fat solubility and permeability are far superior to clindamycin, and when it enters the body, it can be quickly hydrolyzed into clindamycin to show its pharmacological activity.
| Items | Specification | Results |
| Appearance | A White or almost white crystalline Powder | White crystalline Powder |
| Identification | IR, Reaction of phosphate | Conform |
| Clarity | Clear and colorless | Conform |
| PH | 3.5-4.5 | 3.8 |
| Water | K.F Method≤6.0% | 0.60% |
| Bacterial endotoxins | ≤0.60 EU/mg | 0.005 EU/mg |
| Potency | ≥758ug/mg (Dry basis) | 832ug/mg |
| Conclusion: | The results conform with USP34 |
Which anti-inflammatory effect is better, clindamycin or cephalosporin?
Clindamycin and cephalosporin can't be generalized which has better anti-inflammatory effect, because both drugs belong to antibiotics, but they are different in drug types, antibacterial spectrum, precautions and adverse reactions. The following is a detailed description:
First, the antibacterial spectrum is different: Cephalosporin has a relatively wide antibacterial spectrum, which has a good antibacterial effect on Gram-positive bacteria and Gram-negative bacteria, but its effect on anaerobic bacteria is relatively weak; Clindamycin is effective on Gram-positive bacteria, Fusobacterium and other anaerobic bacteria, but not very effective on Gram-negative bacteria.
Second, the types of drugs are different: clindamycin belongs to macrolide antibiotics, and cephalosporin belongs to β -lactam antibiotics. Therefore, the mechanism of action of these two products is completely different.
Third, precautions and adverse reactions are different: before and after using cephalosporins, alcohol should be strictly forbidden to avoid disulfiram reaction, which may be life-threatening. In addition, the liver and kidney damage of cephalosporins is not obvious. However, long-term use of clindamycin has certain damage to liver and kidney, so it is necessary to monitor liver and kidney function.
Can clindamycin and metronidazole be used together?
Clindamycin powder to antibiotic drugs, while metronidazole powder to nitroimidazole drugs. There is no incompatibility between clindamycin preparation and metronidazole preparation, so it will not reduce the efficacy or interact with each other when used together. The combination of the two has a miraculous effect on treating infections caused by sensitive anaerobic bacteria. However, it should be noted that metronidazole can inhibit acetaldehyde dehydrogenase and block ethanol metabolism, which is prone to disulfiram reaction. Therefore, whether metronidazole is used alone or clindamycin is used together, it should be avoided to be used with drugs and drinks containing alcohol.
Can clindamycin and dexamethasone be used together?
Clindamycin phosphate powder can be used in many infectious diseases, such as respiratory tract infection, gynecological infection, etc., and has antibacterial effect. Glucocorticoid dexamethasone has antipyretic and anti-inflammatory effects. If the condition requires, they can be used together, which will not produce toxic and harmful substances, will not aggravate the adverse reactions of drugs, and can also promote the relief of related disease symptoms. However, long-term use of glucocorticoids may lead to adverse reactions such as fat metabolism disorder, glucose metabolism disorder and protein metabolism disorder, so I don't recommend long-term cooperation.
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What is the pharmacological mechanism of clindamycin phosphate?
Clindamycin phosphate plays a role through the inhibition of bacterial protein synthesis, the change of cell membrane permeability, the interference of nucleic acid synthesis and the influence of folic acid metabolism. 1. Inhibition of bacterial protein synthesis. Clindamycin inhibits the synthesis of bacterial protein by inhibiting the 50S subunit of bacterial ribosome and preventing the connection between mRNA messenger RNA and tRNA transport RNA. For example, clindamycin can bind to a specific site on the ribosome of bacteria, which prevents bacteria from synthesizing protein normally, thus inhibiting their growth and reproduction. 2. Changes of cell membrane permeability Clindamycin can increase the permeability of cell membrane, thus making it easier for drugs to enter the cell and play a role. This mechanism is helpful to enhance the bactericidal effect of antibiotics on gram-positive bacteria. For example, clindamycin can promote the inward diffusion of drugs by increasing the permeability of cell wall and achieve better antibacterial effect. 3. Interference of nucleic acid synthesis Clindamycin can interfere with the replication process of bacterial DNA, hinder the nucleic acid synthesis of bacteria, and thus inhibit its growth and reproduction. For example, clindamycin can interfere with the function of bacterial DNA polymerase, block the extension of DNA chain, and eventually lead to bacterial death. 4. Affect folic acid metabolism Clindamycin can specifically inhibit dihydropterin synthase, a key enzyme in bacterial folic acid metabolism, thus destroying the folic acid metabolism pathway of bacteria, making it difficult to synthesize nucleic acid and eventually leading to bacterial death. For example, clindamycin can reduce the synthesis of tetrahydrofolate in bacteria by inhibiting dihydropterin synthase, and further reduce the survival rate of bacteria.
How to use clindamycin phosphate vaginal cream and gel?
There are many dosage forms of clindamycin phosphate, among which the use of yin cream and gel is not common. We will introduce it in detail today:
Clindamycin phosphate vaginal cream can be used to treat vaginitis caused by bacterial infections. For patients with mild symptoms, it can be used once a day. Before use, the vaginal secretions need to be cleaned, and then the deep parts of the vagina and external genitalia need to be cleaned. For patients who use drug injectors, the injector containing the ointment can be inserted into the deep part of the vagina and injected completely.
For patients without an injector, fingers can be used to help apply the cream to the vagina, but disposable gloves need to be worn first. Squeeze the cream behind the fingertips and then insert it deep into the vagina to apply the cream to the vaginal wall. For patients with symptoms in the external genitalia, some can also be applied. For patients with severe clinical symptoms, application can be done two to three times a day.
If you are currently in your menstrual period, please use it one day after your period ends. When using this medication to apply to the genital area, sexual activity is not allowed. And it is forbidden to wash the vagina.
Clindamycin phosphate gel is usually used to treat acne. Before using this product, the local area needs to be cleaned to avoid affecting the full play and absorption rate of the drug. After cleaning, the diseased area needs to be wiped dry before using this product, because if the diseased area is wet, it is very easy to cause infection after use. After drying the diseased area, take an appropriate amount of gel and apply it to the diseased area.
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