A DOCTOR on trial for killing his girlfriend by sprinkling cocaine on his penis causing her to overdose did the same to other women, a court has been told.

Dr Andreas David Niederbichler is on trial in the city of Magdeburg, in the German state of Saxony-Anhalt following the death of a hairdresser named only as Yvonne M.

3 Dr Niederbichler has been in custody since his arrest and has been accused of grievous bodily harm resulting in death Credit: Central European News

The 42-year-old medic is also accused of putting the class a substance under his foreskin before having sexual relations with several other women.

One of his sexual partners twice crashed her car after unknowingly taking cocaine during sex sessions, while another woman lost consciousness completely and has since suffered from nervous twitches, the court has been told.

Yvonne, 38, became extremely short of breath after performing oral sex on the medic in February.

She later collapsed and died with an autopsy showing she had suffered a fatal cocaine overdose.

3 It's alleged Yvonne, a 38-year-old hairdresser, overdosed after Dr Niederbichler put the drug on his penis without her knowledge Credit: Central European News

According to Yvonne's friends, she had a long-running affair with the German surgeon and trusted him blindly.

One friend said: "Yvonne wanted to leave her husband for Niederbichler. He was like Christian Grey from Fifty Shades of Grey to her."

Niederbichler faces multiple charges including causing grievous bodily harm, leading to death.

Prosecutors say that he also secretly put cocaine in glasses of champagne before giving it to his bed partners.

Chief prosecutor Eva Vogel said the surgeon wanted to make the women more compliant to his sexual demands.

3 Prosecutors say that he also secretly put cocaine in glasses of champagne before giving it to his bed partners. Credit: Central European News

She said: "He administered the cocaine to freely carry on further sex practices."

Niederbichler has not yet commented on the allegations in court, while his lawyer, Olaf Schroeder, said only that the death of Yvonne M. had been "unwanted".

The surgeon was the head physician at the Ameos Clinic for Plastic, Aesthetic and Hand Surgery in the town of Halberstadt in Saxony-Anhalt.

Before that he was head physician for plastic, aesthetic and hand surgery at the Dessau Municipal Hospital.

According to local media, he and Yvonne met on a dating website and the two engaged in consensual sex, but Yvonne did not know about the cocaine.

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Her 64-year-old father identified only as Juergen M. revealed to local newspaper Bild that Yvonne was also his patient and he is convinced the suspect deliberately chose her as his alleged victim.

He said: "He promised to heal our daughter - now she is dead. She was very pretty and a patient of his. He operated on her twice for tendonitis."

Following Yvonne’s death, he suffered a heart attack and had to have two stents implanted.

The trial continues.