Antibiotics Information
Antibiotics are powerful medications that treat certain infections and can save lives when used properly. They either stop bacteria from reproducing or destroy them. Before bacteria can multiply and cause symptoms, the immune system can typically kill them.
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Antibiotics: A Comprehensive Overview
What are Antibiotics?
Antibiotics are powerful medications that treat certain infections and can save lives when used properly. They either stop bacteria from reproducing or destroy them. Before bacteria can multiply and cause symptoms, the immune system can typically kill them. However, sometimes the number of harmful bacteria is excessive, and the immune system cannot clear them all. Antibiotics are useful in this scenario.
The first antibiotic was penicillin. Penicillin-based antibiotics, such as ampicillin, amoxicillin, and penicillin G, are still available to treat a variety of infections and have been in use for many years. Several types of modern antibiotics are available, and they are usually only available with a prescription in the United States.
How do Antibiotics Work?
There are different types of antibiotics, which work in their unique way. However, the two main ways they work include:
1. A bactericidal antibiotic, such as penicillin, kills the bacteria. These drugs usually interfere with either the formation of the bacterial cell wall or its cell contents.
2. A bacteriostatic stops bacteria from multiplying.
Types of Antibiotics
There are various classes or groups of antibiotics, which depend on their chemical structure. Some classes of antibiotics include the following:
- Penicillins: amoxicillin (Amoxil)
- Macrolides: azithromycin (Zithromax) and erythromycin (Ery-Tab)
- Cephalosporins: cephalexin (Keflex) and cefdinir (Omnicef)
- Fluoroquinolones: ciprofloxacin (Cipro) and levofloxacin (Levaquin)
- Beta-lactams with increased activity: amoxicillin/clavulanate (Augmentin)
- Urinary anti-infectives: nitrofurantoin (Macrobid)
- Lincosamides: clindamycin (Cleocin)
- Tetracyclines
Side Effects and Resistance
Side effects can include diarrhea, an upset stomach, and nausea. Antibiotics can have side effects, such as upset stomach, diarrhea, and, in women, vaginal yeast infections. Some people are allergic to certain antibiotics.
Bacteria can develop resistance to the effects of antibiotics, especially if they are not taken as directed. This is a growing concern in the medical community.
Antibiotics are powerful medications that treat certain infections and can save lives when used properly. They either stop bacteria from reproducing or destroy them. Before bacteria can multiply and cause symptoms, the immune system can typically kill them.