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 » Start A blog » Join Forums » Ask Fitness Expert » Feast your eyes on the world’s fittest woman! 5 exercises for a killer six-pack 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 Are there any 'safe' sports supplements? More: FitnessSports nutrition SPONSORED: So many prizes! Click through and see our fantastic competitions. advertisement Get a quote 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 Uncontrolled periodontal disease and diabetes – a collective health risk? Exam stress – a challenge for the whole family Eduloan offers affordable education finance Live healthier Medical bills » GP and money Cut medical bills Medical savings account Medical scheme: what is a self-payment gap? Have you exhausted your day-to-day benefits and moved into your self-payment gap? Here's what it means. Allergy alert » Allergy myths Cold or allergy? Children and allergies Allergy facts vs. fiction Some of the greatest allergy myths and misconceptions can actually be damaging to your health.