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Loss of appetite    
Muscle pain    
Shortness of breath    

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12 possible causes of "Loss of appetite, Muscle pain..."
Symptoms:
  • Excessive sweating
  • Tender lymph node
  • Loss of appetite
  • Muscle pain
  • Shortness of breath
  • Moist skin
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:
  • Vomiting
  • Nausea
  • Loss of appetite
  • Muscle pain
  • Shortness of breath
  • Diarrhea
2. Swine Flu
Swine flu, also known as the H1N1 virus, made headlines in 2009 when it was declared a pandemic (Dandagi & Byahatti, 2011). Pandemics are contagious diseases affecting people throughout the world or on multipl...
Symptoms:
  • Headache
  • Muscle pain
  • Loss of appetite
  • Shortness of breath
  • General weakness
  • Rapid shallow breathing
3. 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:
  • Loss of appetite
  • Unable to take deep breaths
  • Muscle pain
  • Shortness of breath
  • Moist skin
  • High-pitched breath sounds
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:
  • Fever
  • Muscle pain
  • Loss of appetite
  • Shortness of breath
  • Rash
  • Confusion
5. The Atypical Facts About Atypical Pneumonia
Atypical pneumonia refers to pneumonia (a long infection) that is not caused by the bacteria that cause the "typical pneumonia." Typical pneumonia tends to be more serious than atypical pneumonia. This type of pneumoni...
Symptoms:
  • Difficulty in swallowing
  • Neck lump
  • Loss of appetite
  • Muscle pain
  • Shortness of breath
  • Groin lump
6. 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:
  • Difficulty breathing when lying down
  • Increased urination
  • Loss of appetite
  • Muscle pain
  • Shortness of breath
  • Abdominal pain
7. 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:
  • Loss of appetite
  • Respiratory crackles
  • Muscle pain
  • Shortness of breath
  • Tired
  • Chills
8. 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:
  • Loss of appetite
  • Hard to awaken
  • Muscle pain
  • Shortness of breath
  • Pain
  • Weight loss
9. Valley Fever (Coccidioidomycosis)
Coccidioidomycosis-also called valley fever-is a fungal infection that starts in the lungs, and in rare cases spreads to the rest of the body. According to the California Department of Health, approximately 150,00...
Symptoms:
  • Coughing up blood
  • Cough
  • Loss of appetite
  • Muscle pain
  • Shortness of breath
  • Abdominal pain
10. Hypersensitivity (Allergic) Vasculitis
Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells. There are many different types of vasculitis; some are acute and last a short time, whil...

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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