The 19th stage was won by Slovenian Primoz Roglic as defending champion Chris Froome slipped down to fourth.
Four-time Tour de France winner Chris Froome took an increased dosage of salbutamol after experiencing "acute asthma symptoms" during the final week of Spain's Vuelta a España in September, according to his Team Sky.
Chris Froome is the third cyclist to win the Tour de France and the Vuelta a Espana in the same year, after Jacques Anquetil in 1963 and Bernard Hinault in 1978.
Chris Froome picked up $582,900 for winning the Tour de France, a relative pittance compared to the huge sums banked by the top names in other sports.
Team Sky's conservative approach to Tour de France might expose Froome, who has not won a race this season.
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