hey...i take 50mg of trazodone...i am only 15 and it makes me fee...

hey...i take 50mg of trazodone...i am only 15 and it makes me feel tired but doesnt knock me out until i lay down...a couple nights ago i took it at 12 and i was still up till 4 but i was extremly tired and had to go to the bathroom...so i stood up from my bed and felt my self get extremely light... i started 2 walk and i know my door was shut but i woke up on the floor and the door was open...i am gettin very light headed during the day and i kant eat...but i also take 15mg aderol...wut should i do? i dont want to take either of the pills...