Amoxicillin tooth staining. . . DO NOT use in children under age 10; Incorporated into developing enamel; Even a single dose can stain teeth Amoxicillin suspension and Iron PreparationsAccurate, FDA approved Amoxicillin information for healthcare . . . . . Another medication that can cause yellowing is Amoxicillin. to the use of drugs, mostly to the use of amoxicillin and doxycycline or minocycline . The reason for the possible link between amoxicillin and . . and certain fruits and vegetables... more