Antibiotics are very important for fighting infections caused by bacteria. They come in different groups, and each group has a special job. Here’s a simple look at the main groups of antibiotics:

1. Penicillins:

   • Examples: Penicillin, Amoxicillin
   • Job: They work by stopping bacteria from building their outer walls. They are good for treating gram-positive bacteria.

2. Cephalosporins:

   • Examples: Cephalexin, Ceftriaxone
   • Job: These are pretty similar to penicillins but can fight a wider range of bacteria. They are helpful for infections that are harder to treat.

3. Macrolides:

   • Examples: Azithromycin, Erythromycin
   • Job: They stop bacteria from making proteins. They are often used for infections in the lungs and for some unusual bacteria.

4. Tetracyclines:

   • Examples: Doxycycline, Minocycline
   • Job: These work against a wide range of bacteria and are often used for skin infections and acne.

5. Fluoroquinolones:

   • Examples: Ciprofloxacin, Levofloxacin
   • Job: They stop bacteria from copying their DNA. They are effective for infections in the urinary tract and respiratory system.

Each group of antibiotics is helpful for different types of bacteria and infections. It is important to pick the right one so that the treatment works well and bacteria don’t become resistant.