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 » 44 killer body-weight exercises for women The altitude runner 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 SPONSORED: Fedhealth What cover is right for you? 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 Is your baby dehydrated? How to tell. Taking charge of your health Man, take care of your health! Live healthier Healthy ears » A middle-ear microphone Deaf and drop-dead gorgeous The gift of hearing The strangest things found in people's ears Doctors have found some very weird things in patients' ears. We look at 7 strange things found in human ears . . . Live allergy free » 10 dog breeds for allergy sufferers Strange allergy cures Managing seasonal allergies Bust those allergies! All you need to know about relieving seasonal allergies.