Start saving on yoour Caduet prescription with this Caduet copay savings card. If you are eligible you can pay $20 a month your your prescription of Caduet. That’s up to a savings of $100 a month and up to a total savings of $1200 in 12 months. This offer is for people who have insurace. For questions on this savings card call 1-866-8-Caduet (1-866-822-3838).