Rigorous medical checks conducted on Casey Stoner after the recent American MotoGP race have revealed the 2007 world champion is suffering from gastritis and mild anaemia.
Stoner has been dogged by health problems at the last three races in Catalunya, Assen and Laguna Seca, which have included chronic fatigue, nausea and arm pump.
Gastritis is an inflammation of the lining of the stomach, which might go someway to explaining why Stoner was so badly hampered by severe stomach cramps in Catalunya and Assen.
The Aussie delayed his return back to Europe while he underwent lengthy medical assessments in California after he struggled to fourth place in Laguna Seca.
Stoner will continue to undergo treatment over the coming weeks for both conditions, with doctors assuring him that he should be back to full fitness in a matter of week.
Stoner, who heads to this weekend’s German MotoGP at the Sachsenring trailing series leader Valentino Rossi by 16-points, said: "I have been in the USA until Saturday to do all the tests. I’d like to say thanks to all the doctors and hopefully step by step I will feel better with their indications."
Of more pressing concern for Stoner is the fact that he’s being hampered now by badly bruised ribs that he injured in a spectacular high-side crash in Laguna Seca.
He added: "I still don’t feel like I am 100 per cent but the biggest problem now is the ribs that are very painful after the crash in qualifying. It will be probably another hard week end, but as always, we will do our best to stay as much as possible close to the lead of the championship".
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