Hai, pain can be due to longstanding&long working hours.
In that perimenopausal, or post menopausal oeriod these symptoms are more aggravated.
Those are multi vitamin injections, u can continue with these.
If hb% is low, u dont have to worry.
Pls check out for any gynaecological problems or any other problems like piles, haemorrhoids, wer in she maybe loosing blood.
U can start with oral iron tablets, intramuscular iron injections, or intravenous preparations.
Add up with rich foods containing iron loke dates, jaggery, ,
vitamin c fruits. And treat her for deworming.
Please meet a physician.
Take care.good luck.