 [ Symptoms ] is it possible to overdose on a water soluble vitamins  i know that you can overdose on fat soluable vitamins what about water soluable like b or c [ Disease ] only your body can cause an allergic reaction your body is reacting to something it views as a threat or invader a bite can not cause an allergy but it can cause your body to have a reaction the prior bite is probably unrelated to your symptoms especially since it happened 3 months ago and you are still having issues keep in mind that you can develop an allergy at any point example perhaps you drink orange juice every day 3 times a day you can even develope an allergy in the same day imagine drinking the first and second glass of oj and be just fine then you could drink the third glass and have a reaction because of your eye symptoms it makes me think it is more likely you are allergic to something in the air i am sure you have heard of hayfever however latex allergies can be very dangerous let is say you have a severe reaction and need to go to the emergency room guess what the dr is and nurses will be touching you with latex gloves which would make it worse  you need to be tested to find out your allergen what it is that is causing your bodys reaction  you can have your doctor test you or even use one of the home allergy tests they have on the market now