Our expert says:
Are you asking for a diagnosis? Or treatment? Confirmation? I'm not sure exactly what you're looking for, because it sounds as though it has been diagnosed? It's a very difficult diagnosis to make - it's normally made on the basis of exclusion of other possibilities. There is a host of possibilities, different infections or conditions that can cause fatigue, and that's what they look for in those blood tests. Normally, when everything is negative, they go with CFS, because they've excluded all other options. But it's often a "guess" in a sense.
It may be a case of over-training, it may be affected by diet, or by another stress, but the symptoms seem to fit, especially the fact that you had flu and then the symptoms developed when you exercised soon after. That's a classic pattern in people who have the condition, so it does suggest it.
In terms of treatment, I hate to pass the buck, but there is obviously a doctor who has treated and tested, and they are best placed to advise you, so that's probably the route to go on this one. Usually it's about management, with rest, making sure that diet is well controlled, and then there are phases, where you can do all the normal things, others where you have to be more careful.
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