what cause jittery feelings
Symptoms can be different depending on how low your blood sugar level drops. 1  Mild hypoglycemia can make you feel hungry or like you want to vomit. You could also feel jittery or nervous. 2  Moderate hypoglycemia often makes people feel short-tempered, nervous, afraid, or confused. Your vision may blur. 3  Severe hypoglycemia can cause you to pass out.