Yes, it is possible for medication to disrupt the balance of vaginal flora, leading to yeast infections. Symptoms of yeast infections may include white vaginal discharge, itching, burning, redness, and swelling in the vaginal and vulvar area. It is recommended to wait until finishing the antibiotic treatment before starting treatment for a yeast infection to prevent the infection from recurring. Treatments such as Canesten can be effective in treating yeast infections and are available in various forms like suppositories, creams, or vaginal applicators. If symptoms persist after 3-4 days of treatment, it is advisable to consult a healthcare professional.