Hi welcome to hcm
I understand your query and concern.
Your symptoms are definitely related to Multiload 250 since it causes hormonal imbalance in the body leading to weakness,loss of weight,headache,nausea,menstrual irregularity in some cases.I advise you to get complete blood picture,thyroid profile,Serum.LH/FSH,Ultrasound abdomen to look for any underlying pathology of reproductive tract.Also I advise you to monitor your
heart rate,blood pressure,BMI,weight to calculate your degree of
underweight.If you don't have any menstrual irregularities,
joint pains you need not worry much.Take multivitamins.iron
folic acid,biotin capsules,calcium supplementation by consulting your Gynecologist and review with reports.
Post your further queries if any,
Thank you.