cat hair allergy

james had a huge rection to my riends cats yesterday his eyes were soo sollew and his wee nose was running i feel so guilty i forgot to give him his anit allergy meds before he went as saturday was shuch a busy day and my sister was sick and i was dealing with that and my bils brithday aswell that i forgot my babys allgrey,s i was so worried about him i made my brother ruwsh us to th hospital and they put him a a 2 which is pretty high hes fine now but i wstll fell sooo gulty how could i forget aggrrrhhhh