Is quadruple therapy the new triple therapy for H pylori?

MeSH terms

• Amoxicillin / therapeutic use
• Anti-Infective Agents / therapeutic use*
• Anti-Ulcer Agents / therapeutic use*
• Clarithromycin / therapeutic use
• Drug Therapy, Combination
• Helicobacter Infections / drug therapy*
• Helicobacter pylori / drug effects*
• Humans
• Metronidazole / therapeutic use
• Omeprazole / therapeutic use
• Organometallic Compounds / therapeutic use
• Tetracycline / therapeutic use