Discover the fascinating world of antibiotics that begin with the letter “X,” a less commonly explored category in antimicrobial treatments. While many antibiotics are widely known, those starting with “X” offer unique properties and potential uses in combating bacterial infections. Join us as we delve into these intriguing medications, shedding light on their origins, functions, and significance in modern medicine.
1. Xacduro (durlobactam injection and sulbactam injection)

Xacduro is a combination of antibiotics used to treat bacterial infections. It contains agents that block bacteria from withstanding antibiotics, helping to kill or inhibit bacterial growth. It is mainly used in hospitals for serious infections.
Health Benefits:
- Fights bacterial infections
- Helps overcome resistant bacteria
- Supports early infection control
How to Take It:
- Administered via injection in a healthcare setting
- Dosage depends on infection type and severity
Compatibility:
- Used for serious bacterial infections, often in hospital care
- Not typically combined with natural remedies at home
- Follow healthcare provider instructions for use
2. Xifaxan (rifaximin)

Xifaxan is an antibiotic that targets bacteria in the gut. It is used mainly for traveler’s diarrhea caused by E. coli, irritable bowel syndrome with diarrhea (IBS-D), and to prevent hepatic encephalopathy. It stays within the intestines and does not usually affect the whole body.
Health Benefits:
- Reduces diarrhea caused by bacteria
- Helps improve symptoms of irritable bowel syndrome
- Prevents build-up of toxins in liver-related conditions
How to Take It:
- Usually in capsule form
- Common dose for diarrhea: 200 mg three times daily for 3 days
- Follow doctor’s instructions for length of therapy
Compatibility:
- Effective for bacterial infections in the gut
- Can be paired with probiotics after treatment to restore healthy gut flora
- Avoid combining with other antibiotics unless advised by a doctor

Eleena Wills is a passionate health and wellness writer with over 5 years of experience in simplifying complex health topics for everyday readers. She holds a background in health communication and has contributed to multiple reputable wellness platforms. Eleena is committed to sharing science-backed tips on nutrition, mental well-being, fitness, and lifestyle habits that support long-term health. When she’s not writing, she’s experimenting with healthy recipes or practicing yoga.