Originally Posted by tentseller

Quote highlighted in red above is incorrect.

Even with checked through bags on intl to intl transit at US airports you need to clear US Customs before putting them on the onward baggage transfer belt.

For the blue form: Address in US "IN TRANSIT" unless you are staying somewhere overnight then "OVERNIGHT TRANSIT, name of hotel"

Declare wine/spirit tobacco verbally and state that they are going onward with you. Have onward boarding pass or itinerary printout for CBP agent. There will be an US TSA security check even for transiting passengers - Make sure the wine is in check baggage.

Both medication are OTC at US pharmacy, not a must declare controlled substance.