Took birth control pill with water, some water went down wrong pipe, but think pill was swallowed-pill possibly aspirated? coughed but nothing came up

Tricky.: mostly the airway defends itself. Good news bad news. Good news is the pill dissolves and there are about the LEAST toxic/burning/bad chemicals in birth control pills (fosamax, aspirin, tetracycline MUCH worse). Bad news is even if pill dissolves it can cause a chronic bronchitis. If there is NOT continuing cough, its going to be hard to do much. If there is, needs major testing.