You can bring your medication in pill or solid form in unlimited amounts as long as it is screened. You may bring medically necessary liquids, medications and creams in excess of 3.4 ounces or 100 milliliters in your carry-on bag.You can travel with prescription drugs or medication in both carryon and checked baggage. Most medications are allowed on planes. There are some exceptions to flying with medication, which we'll cover below. How to fly with medicine, including how to pack it effectively and the TSA rules you need to know. The abuse of prescription drugs is a serious social and health problem in the United States. Arizona is no exception to this problem. Do not plan on sending medications abroad. (B) The pharmacy may dispense a controlled substance in.