Famotidine is an H2-receptor antagonist that decreases stomach acid production. It is commonly used to treat and prevent ulcers in the stomach and intestines, and to manage conditions like gastro-oesophageal reflux disease (GORD).

Cefalexin is a widely used first-generation cephalosporin antibiotic. It is highly effective against Gram-positive bacteria and is commonly prescribed for skin infections, urinary tract infections, and mild respiratory infections. It kills bacteria by interfering with their cell wall synthesis.