Memory problem and anxity. Like normal!

I have anxity and panic from my childhood and also deppresed some time, i felt some time dizziness and light headed. So i visit a neurologist who suggest me to betacap tr 40 and amixide h and some blood test and mri of brain. Blood test reports ware ok, but two very small spot on brain mri report, so he gave me clopitab 75 for 3 month. In the main time i feel very depressed for the mri report I thought so many things on about my brain spot. Then my doctor hold amixide h and gave me zaptra 12.5 now i feel much better. so i take medicine from last 10 month. First 2month betacap amixide h then beta cap and zaptra 12.5. n in the middile clopitab 75 for 3month. But now form the last 5-6 month i am having some confusion lack of concentration weak memory problem. I forget so many things which I remember before my medicine started. Doctor told me continue medicine n don't take tension so much. so what can i do now doctor please help me. my age is only 26 now i want to live my life like normal