Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Inverted nippleUpdated: 2018-05-24When to make a doctor's appointmentSee a doctor if: Nipple recently turned inward Discharge from nipple Pain in or around nipple Lump or hard feeling around nipple © 1998-2019 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use