I tried to commit suicide with Clorox n now I constantly have the feeling that my throat is closing, also I took prescription pills... what can it be?
Laryngoesophagitis. You literally burnt the snot off your larynx and esophagus. Chronic problems should be expected, including what you describe.
Visit the Dr or E.R. A person who has suicidal ideations, gestures, or attempts needs evaluation and treatment right away. The fast way to get treatment started is to visit an emergency room, either by ambulance (call 911) or by personal transportation.