Interfering with how the medicine is digested and absorbed by the body. For example, milk blocks iron absorption in the stomach. Other foods, containing higher levels of fat and fiber, slow down the rate at which your stomach empties and the rate at which your medication is absorbed by your body.
For carry-on bags, all liquid toiletries, such as toothpaste and lotion, must be in bottles or packages clearly labeled as containing 3.4 ounces (100 ml) or less of liquid, according to the TSA. Non-liquid toiletries do not have an individual size limitation if they fit inside a carry-on bag.
Generally, alcohol can be brought on planes in carry-on bags as long as it's in a bottle containing 3 ounces or less and placed in a quart-sized plastic bag. This limit applies to all liquids, according to the Transportation Security Administration.