A woman has been charged with extorting Queensland MP Billy Gordon.

Queensland Police said she tried to blackmail the independent member for Cook over an image he sent her via a text message.

The 50-year-old Cairns woman is due to appear in the Cairns Magistrates Court on October 9.

The charge was laid just hours after detectives confirmed they would not proceed with domestic violence allegations against Mr Gordon, owing to insufficient evidence.

Mr Gordon, who quit the Labor party to become an independent, was accused of abusing two former partners, one of whom made a complaint.

He said he is considering his legal options.

"The last eight months has been an extraordinarily traumatic time for myself and my immediate family," he said. "I will be considering all legal options that can be taken against individuals who have been involved in these viscous and vexatious charges against me and what affect they will have on my future. "I remain committed to the Palaszczuk Government and continue to have great confidence in the Premier's leadership and her government's courage and credibility."

Mr Gordon did not want to comment on the extortion charge as it was before the courts.

Premier Annastasia Palaszczuk said her position had not changed since Mr Gordon was asked to quit the Labor Party amid the fallout.

"I stand by my decision," she said.

Mr Gordon said he continued to have confidence in the Premier's leadership and remains committed to her Government.

The State Opposition said it was appropriate to raise allegations against Mr Gordon, despite the fact no charges had been laid.

Deputy Leader John-Paul Langbroek said it was important to highlight potential issues.

"The LNP's always been at the forefront of saying we want to make sure domestic violence is not acceptable and we expect high standards of politicians," he said.

'Strong case for defamation'

Lawyer Bill Potts said the politician had been stained forever and there was a strong case for defamation action.

"I feel very sorry for Billy. He has gone through an ordeal from hell," Mr Potts said.

"The fact that these allegations have not been proved must leave him in a place where his name has been destroyed.

"Billy clearly has some legal rights and he should consider that now.

"Things which were said in the open media, which brought into severe question his character, may well be matters which are capable of sustaining a claim for defamation."

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