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Fatigue    
Loss of appetite    
Rash    

13 possible causes of "Fatigue, Loss of appetite, Ra..."
Symptoms:
  • Seizures
  • Hair loss
  • Fatigue
  • Loss of appetite
  • Rash
  • Shoulder pain
1. Systemic Lupus Erythematosus
The immune system normally fights off dangerous infections and bacteria to keep the body healthy. An autoimmune disease occurs when the immune system attacks its own body because it confuses it for something foreign...
Symptoms:
  • Difficulty in swallowing
  • Neck lump
  • Fatigue
  • Loss of appetite
  • Rash
  • Groin lump
2. 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:
  • Neck lump
  • Pain
  • Fatigue
  • Loss of appetite
  • Rash
  • Excessive sweating
3. Cellulitis
Cellulitis is a common bacterial skin infection. Cellulitis may first appear as a red, swollen area that feels hot and tender to the touch. The redness and swelling often spread rapidly. Cellulitis is usually painful.I...
Symptoms:
  • Fever
  • Itching
  • Fatigue
  • Loss of appetite
  • Rash
  • Shortness of breath on exertion
4. Hookworm Infections
Hookworms are parasites. This means they live off other living things. Hookworms affect your lungs and small intestine. Humans contract hookworms through roundworm eggs and larvae found in dirt contaminated by feces...
Symptoms:
  • Airway obstruction
  • Headache
  • Fatigue
  • Loss of appetite
  • Rash
  • Hives
5. Chemical Burns
Chemical burns occur when the skin or eyes come into contact with irritants, such as acids or bases (alkaline). Chemicals that come into contact with skin may cause a reaction on the skin or within the body. Chemica...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Neck lump
  • Protruding eyes
  • Fatigue
  • Loss of appetite
  • Rash
  • Dementia
6. Leukemia
Leukemia is a cancer of the blood cells. There are several types of blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets. Generally, leukemia refers to cancers of the WBCs. Two types o...
Symptoms:
  • Nausea
  • Coma
  • Fatigue
  • Loss of appetite
  • Rash
  • Rapid breathing
7. Addisonian Crisis (Acute Adrenal Crisis)
When we're stressed out, our adrenal glands produce a hormone called cortisol. Cortisol helps our bodies respond effectively to stress. It also plays a role in bone health, immune response, and the metabolism of food...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Swollen lymph nodes
  • Joint pain
  • Fatigue
  • Loss of appetite
  • Rash
  • Muscle pain
8. Acute HIV Infection
Acute HIV infection is also known as primary HIV infection or acute retroviral syndrome. This condition occurs within the first two to four weeks after someone is infected with the human immunodeficiency virus. It i...
Symptoms:
  • Neck lump
  • Loss of appetite
  • Fatigue
  • Rash
  • Pain
  • Skin pain
9. Erysipelas
Erysipelas is a bacterial infection in the upper layer of your skin. It is similar to another skin disorder known as cellulitis, an infection in the lower layers of your skin. In practice, it is almost impossible fo...
Symptoms:
  • Joint pain
  • Malaise
  • Fatigue
  • Loss of appetite
  • Rash
  • Eye pain
10. West Nile Virus Infection (West Nile Fever)
A mosquito bite can turn into something much more severe if you are infected with West Nile virus. Mosquitoes transmit this virus after they bite an infected bird and then bite a person. While not all people wit...

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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