A mother accused of poisoning her nine-year-old daughter was allegedly carrying around vials of the little girl's urine in her handbag.

Documents tendered to Newcastle court on Wednesday reveal that the Hunter Valley woman was also in possession of syringes and police allege she was using a central venous line to inject the urine into her daughter's arm, causing her illness,The ABC reported.

The woman was arrested in July after her daughter was admitted to hospital with severe renal failure.

The NSW mother (above, with her daughter) charged with the alleged poisoning - both intravenously and by tablets - of her nine-year-old daughter

The woman, from NSW, was arrested in July and faces court this month charged with using poison to endanger life, and assault causing actual bodily harm.

The nine-year-old girl (above) has been hospitalised for suffering from a rare illness which may have been caused by her mother allegedly poisoning her

The mother, who is a former medical caregiver, may have allegedly harmed the child to gain attention. The syndrome known as Munchausen by proxy or 'medical child abuse' involves the exaggeration or fabrication of illnesses or symptoms, or the purposeful harming by a primary caregiver of a child to deliberately mislead others, in particular medical professionals.

In forums online, the mother had written about her daughter's pain and the treatments she was undergoing.

While her daughter spent time in hospital because of her 'illness', the mother was out campaigning for medical treatment.

Detectives from the NSW Police Child Abuse Squad at Newcastle in the Hunter Valley established Strike Force Twine in March this year to investigate the alleged abuse of the girl who had been admitted to hospital with a serious medical condition.

The woman was arrested in the Hunter region and charged with alleged intravenous and by-mouth poisoning of the nine-year-old.

The girl has since been released from hospital and is recovering.