Medically reviewed by Lindsay Cook, PharmD Key Takeaways Antibiotics are medicines that treat bacterial infections by killing bacteria or stopping their growth. Penicillins are a subclass of ...

Ear infections in dogs, especially yeast infections, are often a symptom of an underlying issue, not the primary disease. Common underlying causes include allergies (both food and environmental), ...

Staphylococcus bacteria cause staph infections. There are many types of staph infections, and depending on the cause, doctors may use antibiotics, surgery, or other methods to treat them. A staph ...