Why is my 4year old complaining of fatigue and pain in the back of his knees?

Answer I hope you have shown her to a doctor. While any fever can cause headache and vomiting the combination of fever, severe headache and vomiting should be taken seriously.

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What cause fatigue stomach pain diarrhea and back pain?

Could be:Celiac DiseaseUlcerative ColitisIBMCrohn's DiseaseThread WormTape WormGiardiasisOr a problem with your Gall Bladder, Liver or Pancreas

Pain in lower back and knees!!!!!!?

Aw, i feel sorry for you. Maybe it's some kinda activity you are doing. As for me, ima 18 year old male and have problems with that too, just lower back and upper. I think it's from my working o... Read More »

Fever, headache, fatigue, back pain?

It sounds like mononucleosis or another virus. Some viruses can attack the system for extended periods, like mono and can cause long-term effects. I would think the doctors would have found evide... Read More »

Has anyone experienced unusual joint pain or muscle pain while on Lisinopril Mainly in the knees ?

Years ago I was put on a drug, I forget the name of it now, however within a month of taking it I could barely walk. The bones in my feet were aching so much (it was as though my ligaments would s... Read More »