Palboxen is the medication used in the treatment of breast cancer. Palbociclib is the generic name of this medication and it is a cyclin-dependent kinase inhibitor that has anti-tumor properties. Palboxen 125mg in the USA can be purchased using Magicine Pharma as it provides these medications at an affordable rate and also gives various discounts with the same. Some side effects of the medications are – nosebleeds, an increase in bruises, tingling of arms and feet, rashes and irregular heart rate.