GHB (gamma-hydroxybutyrate) is produced naturally in the human body in very small amounts. When taken as a recreational drug, and especially when taken in combination with alcohol or other drugs, GHB can be extremely dangerous. GHB is a central nervous system depressant.
International flights always allow carry-on luggage, but each airline has its own restrictions as to quantity, size and weight. Some international carry-on policies restrict bag weights to 11 lbs. or less, while domestic flights rarely have a weight limit.
You may also check your bags at the airport kiosk, ticket counter, or curbside. If your bag exceeds weight or size limits, please review the Additional, Overweight, and Oversized Baggage section. You may also carry on one bag and one small personal item at no charge.Visit our Carry-on Baggage section for more information.or all other international flights. You may check up to two bags that meet our size & weight restrictions at no extra charge when traveling within regions not listed above. NOTE: Weight restrictions at no extra charge vary by cabin. Main Cabin passengers should follow the standard 50 lb limit per piece.