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.
Liquids and Gels. You may only carry on liquids and gels that are in 3.4-ounce containers or smaller. Liquids include toiletries such as shampoo, after-shave, hand or body lotion, mouthwash and liquid makeup. Toiletries often found in gel form include toothpaste, deodorant and lip balm or lipstick.