i just had 40% of my pancrease removed along with my full spleen 5 weeks ago... i know have string gauze from my stomach to help with drainage from the incision... i take singulair daily and forgot last night... so I took it this morining as my eyes are swollen and i'm itching all over... i was gonna take a benedryl as I feel like i'm having an algergic reaction to maybe gauze in stomach or something... please help