- Peripheral neuropathy
Peripheral neuropathy is a nerve condition of the extremities causing numbness, tingling, and pain.
- Hyperventilation
Hyperventilation is rapid or shallow breathing usually caused by stress or anxiety.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- Low blood sugar (hypoglycemia)
Low blood sugar, or low glucose levels, causes shakiness, anxiety, clammy skin, irritability, hunger, and more.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- Carpal tunnel syndrome
Carpal tunnel syndrome symptoms include burning or tingling in the hand and fingers, numbness, pain and more.
- Migraine headache (adult)
Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling.
- Tetany
Tetany is a mineral imbalance causing painful muscle cramps and twitches in the hands, feet, face, and larynx.
- Vitamin B12 deficiency
Vitamin B12 deficiency symptoms include fatigue, pale skin, weakness, sleepiness, numbness, weakness, and more.
- Burn (heat or fire)
Burns caused by heat are called thermal burns and can cause pain swelling, skin changes, blisters and more.
- Chemical burns
A chemical burn can cause symptoms ranging from burning and blisters to pain and shortness of breath.
- Sleep apnea
People with sleep apnea stop and restart breathing multiple times while sleeping.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Alcohol withdrawal (delirium tremens)
Alcohol withdrawal causes anxiety, depression, headaches, nightmares, fatigue, sweating, and shakiness.
- Median nerve injury
The median nerve, which runs through the arm and hand, can cause swelling pain and numbness if injured.
- Ulnar nerve injury
Damage to the ulnar nerve causes swelling, pain and numbness in the forearm, hand, and ring and little fingers.
- Heat stroke (hyperthermia)
Heat stroke is caused by hot weather and results in dizziness, nausea, vomiting, confusion, and a headache.
- Cervical (neck) spinal stenosis
Cervical spinal stenosis is a spinal condition causing pain, weakness, or numbness in the arms, legs, or neck.
- Cocaine abuse
Cocaine abuse occurs when a person continues using it despite the social and health problems caused by it.
- Congestive heart failure
People with congestive heart failure can have shortness of breath, fatigue, irregular heartbeat and more.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, 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.
- Cervical (neck) spondylosis
Cervical spondylosis is arthritis of the neck pain and stiffness the neck, shoulder, arm, or chest.
- Concussion
A concussion is an injury to the brain, and may cause confusion, drowsiness, memory loss and headache.
- Stroke
A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.
- Transient ischemic attack (mini-stroke)
Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
- Narcotic abuse
Narcotic abuse can cause fatigue, shallow breathing, anxiety, euphoria, vomiting, confusion, and constipation.
- Night terrors
Night terrors are a sleep disorder that cause people to partially wake up confused and terrified.
- 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.
- Multiple sclerosis
Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement.
- Parkinson disease
Parkinson's disease is a disorder of the nervous system causing tremors stiffness and slow movement.
- Scleroderma
Scleroderma is an uncommon immune disorder that causes collagen to build up in the tissue, making it harden.
- Insulin reaction (hypoglycemia)
An insulin reaction is the result of low blood sugar and causes anxiety, hunger, shaking, dizziness, and more.
- Diabetic neuropathy
Diabetic neuropathy is a nerve condition of the extremities causing numbness, tingling, and pain.
- Inhalant intoxication
Inhalant intoxication can cause euphoria, disorientation, confusion, slurred speech, dizziness, and more.
- Local anesthetic toxicity
Symptoms of local anesthetic toxicity include lightheadedness, confusion, dizziness, abnormal taste, and more.
- Epilepsy (complex partial seizures)
During complex partial seizures, people lose consciousness briefly.
- Wernicke syndrome
Wernicke's encephalopathy can cause confusion, lack of muscle coordination, and vision problems.
- Frostbite
Frostbite happens when the skin and the tissue freezes, causing pins and needles, numbness, and pain.
- Mad cow disease
Mad cow disease is spread to humans by eating infected cows causing depression, anxiety, psychosis, and more.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- Brain infection
A brain infection is inflammation of the brain or spinal cord and can cause nausea, fever, seizures and more.
- Typhoid fever
Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.
- CREST syndrome
CREST syndrome is a rare autoimmune disease that causes tissues to harden throughout the body.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Shock
Shock causes pale and clammy skin, rapid pulse, low blood pressure, chest pain, confusion, and more.
