Symptom Checker

SYMPTOM CHECKER

What's causing your ankles to swell or that ache in your forearms? Enter your symptom(s) or choose from symptoms below to find out possible causes.
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POSSIBLE CAUSES FOR YOUR SYMPTOMS
Search Results for 'Muscle weakness.' Adding another symptom to the list above may reduce the number of possible causes.
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1.  Muscle Weakness
Muscle weakness. Muscle strength reduced, muscular weakness, weak muscles. True muscle weakness means that full effort does not produce a normal muscle contraction or movement. A voluntary muscle contraction i...
Symptoms:
  • Muscle weakness
2.  CFS (Chronic Fatigue Syndrome)
Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by intense fatigue that cannot be cured with sleep. Mental and physical activities may cause your symptoms to worsen. When your fatigue cannot b...
Symptoms:
  • Muscle weakness
  • Headache
  • Chronic pain
  • Fever
  • Migratory joint pain
3.  Muscular Dystrophies
Muscular dystrophies are a group of diseases that are passed down genetically. These diseases cause damage and weakness to muscles over time. This damage and weakness is caused by the lack of a protein calle...
Symptoms:
  • Muscle weakness
  • Seizures
  • Limited range of motion
  • Muscle contracture
  • Spinal curvature
4.  Dermatomyositis
Dermatomyositis is a rare inflammatory disease. It is an inflammatory myopathy, a condition that occurs when muscles become inflamed. It is one of only three known inflammatory myopathies. The most common symptom i...
Symptoms:
  • Muscle weakness
  • Low grade fever
  • Shortness of breath
  • Dermatitis
  • Purple eyelids
5.  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:
  • Muscle weakness
  • Flickering muscles
  • Diarrhea
  • Nausea
  • Fatigue
6.  Low Blood Sodium (Hyponatremia)
Low blood sodium is also known as hyponatremia . Sodium is an electrolyte. It helps maintain the balance of water in and around your cells. Sodium is important for proper muscle and nerve function. It also keeps you...
Symptoms:
  • Muscle weakness
  • Hallucinations
  • Headache
  • Loss of appetite
  • Agitation
7.  Osteomalacia
Osteomalacia is a weakening of the bones due to problems with bone formation or the bone building process. It is not the same as osteoporosis, which is a weakening of living bone that has already been formed and i...
Symptoms:
  • Muscle weakness
  • Muscle spasticity
  • Pain in limb
  • Toe numbness
  • Arm pain
8.  Concussion
A concussion is a mild traumatic brain injury. It can occur after an impact to your head or after a whiplash-type injury that causes your head and brain to shake quickly back and forth. Concussions are usually not lif...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Muscle weakness
  • Headache
  • Depression
  • Frontal headache
  • Ecchymosis
9.  Low Blood Potassium
Hypokalemia occurs when the blood's potassium levels are too low. A normal level of potassium is 3.6-5.2 millimoles per liter. Levels below 3.6 are considered low.
Symptoms:
  • Muscle weakness
  • Change in bowel habit
  • Body ache
  • Abnormal heart rhythms
  • Frequent urination
10.  Myasthenia Gravis
Myasthenia gravis (MG) is a neuromuscular disorder that causes weakness in the skeletal muscles, which are the muscles that the body uses for movement. It occurs when communication between nerve cells and muscle...
Symptoms:
  • Muscle weakness
  • Change in voice
  • Diplopia
  • Difficulty standing from sitting
  • Difficulty lifting
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