Quick rules for flying with medicine in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
Strongly recommended in carry-on. Pills allowed in any quantity. Liquid medication exempt from 3-1-1 rule — declare at checkpoint. Original labeled containers recommended but not required by TSA.
Allowed in both; carry-on recommended. Liquid medication exempt from 100 ml limit but you should carry proof (prescription or doctor's note). Declare at security.
Allowed in both. Essential liquid medicines over 100 ml allowed in cabin with supporting documentation (prescription/letter).
Allowed in both; carry-on recommended. Liquid medication exempt from 100 ml limit with prescription. Codeine + opioid painkillers heavily restricted across LATAM — Mexico requires special permit, Brazil + Argentina strict. Carry original packaging + prescription in Spanish / Portuguese if possible.
Allowed in both, carry-on recommended. Liquid medication exempt from 100 ml limit with supporting prescription / doctor's letter. CRITICAL: many common Western OTC drugs are restricted across Asia — codeine-containing painkillers (banned in Indonesia, UAE, Japan), pseudoephedrine cold meds (banned in Japan, Indonesia, Mexico), ADHD stimulants (Adderall banned in Japan, S. Korea). Check destination embassy before flying with controlled substances.
Allowed in both; carry-on recommended. Liquid medication exempt from 100 ml limit with prescription. Australia TGA permits up to 3 months supply for personal use; codeine prescription-only since 2018. Declare on arrival. Pseudoephedrine OTC quantities restricted.