2 years ago I did a blood test and it showed that...

Dear Customer
Evaluating the answer from the top of the page after reading it helps us to improve the quality of answers and ensure that the best experts are available to help you .

according to your medical condition , do you have to take another blood test :

yes , consult an internal medicine doctor and done several tests including blood test is a must to determine the treatment pathway

is those signs could be because of blood abnormalties :

fatiguness and general weakness , bad memory is a quite common symptoms of anemia and b12 deficency , but other disease also can show the same symptoms 

needed medical examnation :

1. physical examnaton
2. blood test
3. blood chemistry test 
4. liver function test

our advice :

we advice you to consult an internal medicine doctor to do the needed medical examnations and determine the treatment pathway 
You can also ask our other certified experts in various fields such as: Nutritionists, Lawyers, IT Experts, Therapists, Mechanics, Doctors, Handymen, and more.
Kind Regards