Hi welcome to HCM
It could be Round worms infestation.symptoms like malabsorption
,nausea,vomiting,weakness ,diarrhea ,taste alteration could be common.Immediatly get investigations like complete blood picture,stool culture,urin micro and culture to cnfirm the diagnosis.Drugs like Albendazole
grou of antibiotics will be helpful in your case.Also take tab.pantop and domperidone
for symptomatic releif.use medicated soaps.maintain oro-genital hygeine.consult your gastro enterologist for expert management.