Overview of Alfacolin
Quick Facts
| Property | Description |
|---|---|
| Active ingredient | Colistin Sulfate (Polymyxin E) |
| Form | Powder for injection, Oral preparations, Solutions for inhalation, Topical preparations |
| Pharmacological class | Antibiotic (Polymyxin class) |
| Common use | Serious bacterial infections (Multidrug-resistant Gram-negative pathogens) |
| Origin | Derived substance (from Bacillus polymyxa) |
What Type of Antibiotic is Alfacolin (Colistin Sulfate)?
Alfacolin is a pharmaceutical product containing the active ingredient Colistin Sulfate, which is classified as a potent antibiotic belonging to the Polymyxin class. Colistin, also known as Polymyxin E, is structurally a cyclic polypeptide that represents an older generation of antimicrobial agents. It is derived from the bacterium Bacillus polymyxa var. colistinus, making it a naturally derived substance chemically formulated as a sulfate salt for pharmaceutical use. As a single-ingredient product, Alfacolin is often associated with the injectable powder form and is used in treating hospitalized patients with severe infections.
Composition and General Purpose of Colistin
The pharmaceutical composition relies on the substance Colistin Sulfate, the salt form of Colistin, which is responsible for the medication's necessary therapeutic activity. Colistin is a critically important antimicrobial agent for human medicine. The general therapeutic purpose of the drug is to combat serious infections caused by Gram-negative bacteria, with a specific focus on treating pathogens identified as multidrug-resistant (MDR) strains. Colistin serves as a vital agent against these highly resistant organisms. The medicine is used for fighting bacteria that many other drugs cannot defeat, serving as a last-resort treatment when few other antibiotic options remain.
Available Forms of Alfacolin
Alfacolin is typically presented as a sterile powder for injection intended for parenteral administration, which is a key format for acute care. While the active ingredient, Colistin Sulfate, is utilized in other general forms—including specific oral preparations and solutions for inhalation or topical application—the brand Alfacolin is most strongly associated with the injectable format. The availability of this distinct preparation, which includes excipients suitable for reconstitution, allows medical practitioners to select the format best suited to deliver the active substance directly to the site of bacterial activity in patients with limited options.
Regulatory References

