Once youâre eligible for Medicare, youâll have an initial enrollment period to sign up for Medicare. For most people, the initial enrollment period starts 3 months before their 65th birthday and ends 3 months after their 65th birthday.
Excipient. An excipient is generally a pharmacologically inactive substance formulated with the active ingredient of a medication. Excipients are commonly used to bulk up formulations that contain potent active ingredients, to allow convenient and accurate dispensation of a drug substance when producing a dosage form.
Polysorbate 80 is an excipient that is used to stabilize aqueous formulations of medications for parenteral administration, and used as an emulsifier in the manufacture of the popular antiarrhythmic amiodarone. It is also used as an excipient in some European and Canadian influenza vaccines.