Erythromycin ethylsuccinate will lessen the extent or outcome of ethinylestradiol by altering intestinal flora. Applies only to oral types of hormone. Reduced threat of contraceptive failure. Use Warning/Watch. Antibiotics may perhaps reduce hormonal contraceptive efficacy. fedratinib will raise the degree or outcome of ethinylestradiol by influencing hepatic/intestinal enzyme CYP3A4 ... https://chrisu950tod8.yourkwikimage.com/user