Home > Fitness > Sports nutrition Updated 26 February 2014 Flu and sport Forget about "sweating out" a cold or flu. The message is simple: do not train if you have the flu. 0 iStock take a Flexibility test » Receive Health tips » Join Health24 on Facebook » Ask Fitness Expert » Why you need strength to run Haile Gebrselassie says the right shoes can make you run faster Forget about "sweating out" a cold or flu. The message is simple: do not train if you have the flu. Strain on an infected heart muscle (myocarditis, one of the possible complications of flu) may lead to paralysis of this muscle. There have been cases (in young sportspeople) where the only way to survive after myocarditis was a heart transplant. A gradual return to exercise after recovering from flu is best. You should generally not exercise for at least seven days after recovering. Sportspeople must be well aware that some flu medication might contain banned substances such as pseudo-ephedrine, caffeine and others. With easy access of athletes to sport events in the Northern hemisphere, an athlete might be exposed to a flu virus not yet in South Africa. The best way to prevent flu is to get vaccinated with a flu vaccine relevant to the part of the world that you're heading for. Men genuinely get more ill from flu, possibly because their immune systems react more aggressively. More in Fitness Is pregnant glamour model Sarah Stage too thin? More: FitnessSports nutrition advertisement Get a quote Fedhealth - What cover is right for you? Momentum - save up to 35% on healthcare advertisement Read Health24’s Comments Policy Comment on this story 0 comments Add your comment Thank you, your comment has been submitted. Logout Comment 0 characters remaining Share on Facebook Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors Soothe your family’s coughs and colds Why hydration is important while exercising Taking charge of your health Man, take care of your health! Live healthier Up for grabs » Win with NuSeed Win with MySmartkid Win a Canderel hamper Win a LED 3D smart TV Stand a chance of winning a Samsung UA55H8000 Smart 55 inch Curved LED TV valued at R20 000 from Save Hyper! Medical marijuana » 'I used cannabis oil to cure my cancer' Could your doctor could be high? Dagga in medicine? Medicinal dagga: the dangers can't be ignored There is not sufficient evidence to support the potential medicinal benefit from cannabis use cautions an academic from Stellenbosch University.