is it ok to take multivitamins for a beta thal minor+iron def anemia?

hi i need little help.my gf has beta
thal minor+iron def.diognosed 3
months before and now she's
taking iron supplements as her
clinic gave.she is too skinny and
weak.so i gave her some
multivitamin tabs,brand-Vitgen.but
its not recomended by a doctor.i
just gave her.is it ok to her take
multivitamins? Or should we stop
it.she has taken 4 tablets then.

update- doc said her serum ferritin is ok.each multivitamin tablet that i explained above includes 10mg of iron.is it ok to take this vitamin suplements to her?

update- doc said her serum ferritin is ok.each multivitamin tablet that i explained above includes 10mg of iron.is it ok to take this vitamin suplements to her?