Get our free Paclitaxel coupon and be eligible to receive a discount. You can reduce your Paclitaxel cost by up to 75% with our free Paclitaxel discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Paclitaxel is a cancer medication that interferes with the growth and spread of cancer cells in the body. Paclitaxel is used to treat breast cancer, ovarian cancer, and lung cancer. It is also used to treat AIDS-related Kaposi's sarcoma. Paclitaxel may also be used for purposes not listed in this medication guide.