In one case the victim was left with a torn liver and internal bleeding.

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Some patients react badly to long-term painkiller use, suffering gastric bleeding and liver problems - and there is no guarantee that the benefits to one group of patients would outweigh the risks to another.

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He died from internal bleeding after blunt force trauma caused lacerations to his liver.

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If ingested, it causes nausea, vomiting and internal bleeding of the stomach and intestines, followed by failure of the liver, spleen and kidneys, and death by collapse of the circulatory system.

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One 80-year-old patient died after suffering liver problems that may have been caused by Exanta, but the culprit may have been bleeding caused by other drugs.

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However, two other pathologists later separately concluded that Mr Tomlinson - who had been pushed by a police officer - died of internal bleeding as a result of blunt force trauma, in combination with cirrhosis of the liver.

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