- Peripheral neuropathy
Peripheral neuropathy is a nerve condition of the extremities causing numbness, tingling, and pain.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- Migraine headache (adult)
Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling.
- Acute stress reaction
Acute stress reaction symptoms include shortness of breath, anxiety, nervousness, sense of doom and more.
- Excessive caffeine use
Excessive caffeine use can cause irritability, difficulty sleeping, anger, depression, and fatigue.
- Premature ventricular contractions (PVCs)
Premature ventricular contractions are extra heartbeats that start in one of the lower chambers of your heart.
- Heart rhythm disorder
Some heart rhythm disorders can cause a fluttering in the chest, shortness of breath, chest pain or dizziness.
- Low potassium (hypokalemia)
If the level of potassium in your blood drops below normal, it may cause low energy, leg cramps, and more.
- Atrial fibrillation
Atrial fibrillation is a heart condition that causes heart palpitations, confusion, dizziness and more.
- Cervical (neck) spondylosis
Cervical spondylosis is arthritis of the neck pain and stiffness the neck, shoulder, arm, or chest.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Multiple sclerosis
Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement.
- Porphyria
Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight.
- Restless legs syndrome
Restless leg syndrome causes intense discomfort in your legs and an overpowering urge to move them.
- Pulmonary hypertension
Pulmonary hypertension can cause shortness of breath, a fast heart rate, or lightheadedness.
- Rheumatic fever
Rheumatic fever is an inflammatory disease and causes fever, joint pain, abdominal pain, rash, and more.
- 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.
- 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.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, and more.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Tourette syndrome
Tourette's syndrome is a nervous system disorder that causes involuntary movements or sounds called tics.
- Epilepsy (simple partial seizures)
During simple partial epileptic seizures, people remain fully conscious, able to respond to external stimuli.
- Wernicke syndrome
Wernicke's encephalopathy can cause confusion, lack of muscle coordination, and vision problems.
- Aortic stenosis
Aortic stenosis is a condition of the heart causing shortness of breath, dizziness, or chest pain.
- Amyotrophic lateral sclerosis (Lou Gehrig disease)
Amyotrophic lateral sclerosis affects the nervous system and causes muscle weakness and brain dysfunction.
- Periodic limb movement disorder
Periodic limb movement disorder is a sleep disorder that causes the legs to move repetitively during sleep.
- Aortic regurgitation
Aortic regurgitation, when the aortic valve doesn't close completely, can cause severe heart symptoms.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- 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.
- Chagas disease
Chagas disease is caused by a tropical parasite and can cause fever, ill feeling, and swelling around the eye.
- Lead poisoning
Lead poisoning causes sudden pain on either side of the lower back, urinary issues, nausea, fever, and chills.