- Viral syndrome
Viral syndrome is an unidentified cause of typical virus symptoms sore throat, stuffy nose, aches and more.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Transient ischemic attack (mini-stroke)
Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- Influenza (flu) adults
The flu is a respiratory tract infection and causes fever, sore throat, runny nose, headache, cough, and more.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- Low blood sugar (hypoglycemia)
Low blood sugar, or low glucose levels, causes shakiness, anxiety, clammy skin, irritability, hunger, and more.
- Lupus (systemic lupus erythematosus)
Lupus is a chronic autoimmune disease marked by swollen painful joints, a rash, swollen lymph nodes, and more.
- Supraventricular tachycardia
Supraventricular tachycardia is fast heart rhythm starting in one of the upper chambers of the heart.
- Thyroid storm
A thyroid storm, dangerously high levels of thyroid hormone, causes fever, racing heartbeat, sweating, and more
- Alcohol intoxication
Alcohol intoxication, or drunkenness, is marked by impaired judgment, slurred speech, blurred vision and more.
- Alzheimer's disease
Alzheimer's disease is type of dementia that causes memory loss, as well as thinking and behavior problems.
- Aspirin poisoning
Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more.
- Labyrinthitis
Labyrinthitis, an infection and swelling in the inner ear, and may cause vertigo or hearing loss.
- Hypothyroidism (adult)
Hypothyroidism your body functions slow down, making you gain weight and feel tired all the time.
- Narcotic abuse
Narcotic abuse can cause fatigue, shallow breathing, anxiety, euphoria, vomiting, confusion, and constipation.
- Pulmonary embolism
A pulmonary embolism, a blood clot lodged in the lung, causes shortness of breath, chest pain, and more.
- Lumbar spinal stenosis
Lumbar spinal stenosis is a condition that can cause pain in the lower back, buttocks, legs, and feet.
- Juvenile rheumatoid arthritis
Juvenile rheumatoid arthritis or JRA is a long-term disease that causes pain and swelling in children's joints
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Meniere's disease
Meniere's disease is a chronic inner ear condition that causes vertigo or extreme dizziness, and more.
- Mononucleosis
Mononucleosis is a viral infection causing extreme fatigue, sore throat, fever, rash, muscle aches, and more.
- Coxsackie virus infection
Coxsackie virus infection can cause many cold-like symptoms as well as blisters on the mouth hands and feet.
- Heat exhaustion
Heat exhaustion causes intense thirst, heavy sweating, pale, cool, and moist skin, muscle cramps, and more.
- Drug overdose
A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Hyperventilation
Hyperventilation is rapid or shallow breathing usually caused by stress or anxiety.
- Insulin reaction (hypoglycemia)
An insulin reaction is the result of low blood sugar and causes anxiety, hunger, shaking, dizziness, and more.
- Heat exposure
Heat exposure can cause dizziness, nausea, headache, weakness, a fast heartbeat, muscle cramps, and more.
- Intoxication
Symptoms of intoxication include euphoria, slowed reaction time, dizziness, confusion, numbness, and more.
- Club foot
Clubfoot is a foot defect that a baby is born with. It causes the foot to turn to the side and to face upwards
- Parkinson disease
Parkinson's disease is a disorder of the nervous system causing tremors stiffness and slow movement.
- Porphyria
Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight.
- Hyperhidrosis
Hyperhidrosis is a condition nervous system leading to overactive sweat glands causing excessive sweating
- Vitamin B12 deficiency
Vitamin B12 deficiency symptoms include fatigue, pale skin, weakness, sleepiness, numbness, weakness, and more.
- Motion sickness
Motion sickness is a feeling of queasiness or nausea caused by moving in a car, bus, boat, or plane.
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Progressive supranuclear palsy
Progressive supranuclear palsy is a brain disease causing problems with balance, movement, thinking, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Brain tumor
Primary brain tumors are often benign but can cause seizures, ongoing headaches, or loss of coordination.
- Brain infection
A brain infection is inflammation of the brain or spinal cord and can cause nausea, fever, seizures and more.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- Mad cow disease
Mad cow disease is spread to humans by eating infected cows causing depression, anxiety, psychosis, and more.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.
- Spinal tumor
Spinal tumors can cause back pain, weakness, and numbness in the legs and arms, and more serious issues.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Throat cancer
Throat cancer can cause symptoms including difficulty swallowing, hoarseness, and chronic cough.
- Bird (avian) flu
Bird flu is spread to people from birds and causes fever, cough, sore throat and muscle aches.
- Endocarditis
Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more.
