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 How easy it is to get steroids in South Africa 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 Keeping your skin soft, moisturised and winter-ready The health benefits of donating blood Hydration is vital all year round Momentum Health: an industry leader in healthcare Live healthier Stay out of trouble » Asthma danger zones 13 danger zones Teen dangers 21 dangerous things people do Here are 21 things people do without thinking. But they are dangerous, and could kill you or the people around you. Sexual health » STIs: how to stay safe Apps for gay and bi men tied to STI risk Penis bumps The STI most men get without knowing it Most guys haven't ever heard of the human papillomavirus, yet many will get it at some stage in their lives without even knowing it.