The doctor will want to know:
It may be helpful to keep a diary for a few weeks to bring to your appointment. This will help your doctor rule things in or out.
What kinds of things are you exposed to at home or work?
Do you have pets? Have you been around other people’s animals lately?
What medications do you take?
What kinds of foods do you eat regularly?
Do you notice that you get hives when you’re hot, cold, or sweaty?