Welcome to the forum. Familon
is a safe pill but it seems it is not suiting you well, individual differences do occur. You can discontinue Familon for 3-4 months and see if your symptoms settle. You ca take any other substitute for familon.
Do take care of your health, you need a medical check up to judge your general condition ( blood pressure, blood hemoglobin
level and other routine check up). Take nourishing diet.
You need vitamin supplements and you should get yourself clinically assessed. Take care.