Painful, Itchy Rashes On Lips. History Of Going To Beach. Allergic To Yellow Dye In Food, Did Not Have Any. Suggestions?

So I went to the beach Sat. Felt perfectly fine. Went into a restaurant and my lips started getting the feeling I get before I have a an outbreak/rash/allergic reaction. So I put on lip balm and it helped soothe my lips somewhat. Left the restaurant and sat on the beach for about 45minutes and then went home. Next morning my lips are swollen, red, and itchy. I did put sunscreen on my face and bodybefore hand but not on my actual lips. This outbreak has happened before after eating foods that had yellow dye in them(I'm allergic to it, NSAIDS, and Aspirin) all the foods I ate between Friday and today are things I know had no yellow dye. I have not taken any medication aside from Tylenol and Benadryl. I don't know what else to do. My parents say let it run its course but I'm miserable and I'm tired of having these episodes. It's painful, sensitive, and itchy. Any suggestions?