Jardiance can lead to side effects in some people, with the most common ones being yeast infections and urinary tract infections. If you experience any of the following severe side effects while using this medication, it's crucial to get immediate medical help and inform your doctor: allergic reactions, vaginal yeast infections, necrotizing fasciitis, low blood sugar (hypoglycemia), yeast infection in males, dehydration, ketoacidosis, or a severe urinary tract infection.