Emetophobia is irrational fear of vomiting. If you're afraid to vomit, no matter why you're afraid of it, you are emet. The rest (excessive handwashing, fear of germs, anxiety disorders) are accessory to emetophobia. They may be present in some people, not in others. Just like Cynna said, if it affects your life it probably is at the "phobia" level. The way you react to stressful situations is uncommon in emets, as they will usually be very good at avoiding letting themselves v*. You should look into getting professional help from either a therapist or a psychiatrist to address the cause of your physical symptoms.