Pnigophobia.

The fear of choking. Not as in choking on a free throw, but having a severe difficulty breathing, an obstructed throat (suffocation), or other means of preventing free breathing. 

Growing up with asthma and a restricted airway, I have already experienced the sensation of choking far too many times. From simply as working out, asthma attacks have resulted in instantaneous difficulty breathing and wheezing. This not only causes a full-on panic attack, from myself AND those around me, but requires immediate medication, or else increases the chance of hospitalization. My restricted airway has led to many meals where if I begin swallowing food a bit faster than I can chew, the food becomes lodged in my throat, causing a semi-choking situation. Semi-choking not only brings excruciating physical pain, but requires the swallowing of water hoping it pushes the food particles into my stomach. The pain and thoughts in those few seconds are indescribable, praying the food doesn't get stuck forever.

The idea of drowning in water (choking) to death has always been one of my biggest fears. Dying because I am not able to breathe life's most important element and swallowing water into my lungs and other body systems feels gruesome and unbearable. 

Simply, choking is not a way I want to perish from this universe.