Can amoxicillin cause a yeast infection?

Yeast infection: Antibiotics will make you more prone to get yeast infection.

Many microbes live: In peceful harmony (symbiosis) with each other. When we use an antibiotic, it upset the balance knocking off susceptible organisms, and leaving what's left to dominate. So, the yeast (monilia/candida albicans is there already, but manifests when it dominates the neigborhood. Also explains why ab's lead to diarrhea. Branched lactobiccili restore some balance.