You can carry prescription medications on airplanes as long as they are in your bag. Both prescription and nonprescription medications should be carried on in their original packaging.
Liquid or aerosol prescriptions and nonprescription medications can be taken on to the aircraft if they are in the original packaging and weigh less than 3 oz.
Prescribed inhalers can be taken in carry-ons as long as they are screened by security and labeled for the owner of the carry-on.
You can bring insulin as a carry-on, but have a copy of your prescription with it. This will make going through security quicker.
Items such as bras or shells with gels, saline solution, prosthetic breasts or other medicated liquids are allowed on the plane.