Doctor insights on:
Hyperactive Vasovagal Reflex
Can mild food allergy cause vasovagal reflex (dizzy spell, palpitations, sweaty, trouble swallowing)? Even the following meals without trigger food?
Strong food allergie: Mild food allergies usually don't cause the symptoms you've mentioned. However strong, positive food allergies can certainly produce that. It would be best for you to work with your doctor, and get a comprehensive food allergy with complement testing done to determine which foods you must stay away from, and which food you can eat safely. Plus you will need to discuss the the need for epipen (epinephrine). ...Read more
Simple faint: Vasovagal syncope is the most common cause of a simple faint. It is a neurocardiogenic response whereby a trigger ( ie blood draw, dentist drill) cause a surge of adrenaline causing a strong heart beat which feeds back on the vagus nerve that then leads to a chagall stimulation which cause dilatation of the blood vessel (lowers blood pressure) and slow heart rate. ...Read more