Yes. Antibiotics from the rifampicin group interact with the effects of the vaginal ring.
However, analgesics, anti-inflammatories or common antibiotics such as amoxicillin do not decrease the effectiveness of the contraceptive ring.
Marta Barranquero Gómez
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).