Your inner ear fluid is influenced by certain substances in your blood and other body fluids. For instance, when you eat foods that are high in salt or sugar, your blood level concentration of salt or sugar increases, and this, in turn, will affect the concentration of substances in your inner ear. People with endolymphatic hydrops must control the amount of salt and sugar that is added to food.
Besides, there are also many other causes of performance anxiety, such as: 1  Societal pressure: In reality, societal pressure is considered as one of the most popular causes of performance anxiety.  In experience: this will cause minor sexual dysfunctions, thereby leading to performance anxiety.
Causes relating to anxiety include: Hyper- and hypoventilation - taking in too much or too little oxygen. Hyper and hypoventilation can change the CO2 levels in the blood, which can cause a myriad of anxiety-like symptoms, such as dizziness. An active stress response - behaving in an apprehensive manner activates the stress response.