
Suggest Treatment For Extreme Fatigue, Muscle Pain, Headache And Diarrhea

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Infectious diarrhea/ hypokalemia
Detailed Answer:
Hello and Welcome
I appreciate your concern
Diarrhea can lead to potassium loss, resulting in hypokalemia , which can cause severe fatigue, weakness and muscle cramping even. In severe hypokalemia, arrhythmia can occur, too. Electrolytes levels should be checked and replaced accordingly.
Infectious diarrhea if present should be treated with antibiotics especially if there is associated abdominal pain, tenesmus, a high white cell count or blood in stool.
Instead of free water replacement alone as the fluid replacement therapy, I would advise an isotonic solution like gastrolyte or ORS to replenish the electrolytes in addition to the water loss.
Fever should be documented and focus of infection should be looked for on the physical examination. Septic screen including CBC, ESR, chest x ray and cultures (urine + blood) should be sent.
Metoclopramide is a gastro kinetic agent. It doesn't treat the headache directly. Gut motility is reduced during headaches and drugs like metoclopramide can resolve the headache if given in addition to NSAIDs.
Wishing you best of health
Thanks
Let me know if you have any query
Please consult your doctor before deciding on any further course of action.
Dr. M.S. Khalil

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