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9 possible causes of "Fatigue, Headache, Muscle pai..."
Symptoms:
  • Vomiting
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Wheezing
1. Cold and Flu Overview
Overview Colds (common colds) and the flu (influenza) are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Colds typically are confined to th...
Symptoms:
  • Headache
  • Fatigue
  • Muscle pain
  • Shortness of breath
  • General weakness
  • Rapid shallow breathing
2. Pneumonia
Pneumonia is an infection in one or both lungs. The infection may be caused by fungi, bacteria, or viruses. Pneumonia causes inflammation in your lung's air sacs, also referred to as alveoli. The alveoli fill with flui...
Symptoms:
  • Difficulty in swallowing
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Neck lump
3. Infectious Mononucleosis
Infectious mononucleosis, often called "mono," is caused by the Epstein-Barr virus (EBV). It typically occurs in teenagers, but you can get it at any age. The virus is spread through saliva, which is why some peopl...
Symptoms:
  • Loss of appetite
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Blindness
4. Sarcoidosis
Sarcoidosis is an inflammatory disease where granulomas (clumps of immune cells, usually macrophages) form in various organs. This causes organ inflammation. Doctors believe that sarcoidosis may be caused by an abnorma...
Symptoms:
  • Difficulty breathing when lying down
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Increased urination
5. Diabetic Ketoacidosis
Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Respiratory crackles
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Tired
6. Parrot Fever (Psittacosis)
Parrot fever, also called parrot disease and psittacosis, is very rare. According to the Centers for Disease Control and Prevention, there have been fewer than 50 confirmed cases per year in the United States sinc...
Symptoms:
  • Chokes when swallowing
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Feels hot to touch
7. Polio
Polio (also known as poliomyelitis) is a highly contagious disease caused by a virus that attacks the nervous system. Children younger than 5 years old are more likely to contract the virus than any other group...
Symptoms:
  • Ataxia
  • Fatigue
  • Headache
  • Muscle pain
  • Shortness of breath
  • Confusion
8. Legionnaires' Disease
Legionnaires' disease is a serious type of lung infection, or pneumonia. It is caused by bacteria called Legionella. The bacteria and the disease were named following an outbreak of the infection at a Philadelphi...
Symptoms:
  • Muscle pain
  • Fatigue
  • Headache
  • Shortness of breath
  • Skin abscess
  • Alteration in consciousness
9. MRSA (Staph) Infection
MRSA (methicillin resistant staphylococcus aureus) is a type of staphylococcus bacteria (staph) that is resistant to beta-lactam antibiotics. MRSA is contagious and can cause life-threatening infection. MRSA isn't foun...

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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