All passenger items must undergo security screening. It is recommended that medication be clearly labeled to facilitate the screening process. You may bring medically necessary liquids, medications and creams in excess of 3.4 ounces or 100 milliliters in your carry-on bag.
Medication can undergo a visual or X-ray screening and may be tested for traces of explosives. Before the screening begins, inform the TSA officer that you have medically necessary liquids and/or medications.
Psychiatric or Psychotropic medications, (even when used for something other than a mental health condition) including but not limited to: antidepressants (certain SSRIs may be allowed – see SSRI policy) antianxiety drugs – e.g.: alprazolam (Xanax) antipsychotics.
Opiates, such as Morphine, Codeine, Lortab, Percodan, Oxycontin. Muscle relaxants, such as Soma, Sonata, Flexeril. Anicholinergics, such as Levsin, Bnetyl, Transderm Scop. Sedating antihistamines, such as Benadryl, Chlorpheniramine, Zyrtec.
All prescription medicines are allowed on airplanes, whether in a carry-on or checked bag. There is no limit to the amount of medications in pill or solid form that you can bring. Liquid medicines are also allowed.
If you're prescribed medication abroad, review U.S. Customs & Border Patrol's list of restricted and prohibited items to certify that medication obtained abroad may be brought back into the country. Declare all medication and associated items at customs. Carry medication obtained abroad in its original container.
At the Airport Security Checkpoint You can tell the screening officer about your prescription drugs or present a written list. You may wish to bring doctor's notes, original prescription bottles or containers, and other documentation to make the screening process go more quickly.
Keep medicines in their original, labeled containers. Ensure that they are clearly labeled with your full name, health care provider's name, generic and brand name, and exact dosage. Bring copies of all written prescriptions, including the generic names for medicines.
You must bring a valid doctor's note or prescription for all medications. You should review the FDA's Human Drug Imports page for more information. You can also check with your destination's embassy to make sure your medicines are permitted.