- Peripheral neuropathy
Peripheral neuropathy is a nerve condition of the extremities causing numbness, tingling, and pain.
- Atrial fibrillation
Atrial fibrillation is a heart condition that causes heart palpitations, confusion, dizziness and more.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- Vitamin B12 deficiency
Vitamin B12 deficiency symptoms include fatigue, pale skin, weakness, sleepiness, numbness, weakness, and more.
- Carpal tunnel syndrome
Carpal tunnel syndrome symptoms include burning or tingling in the hand and fingers, numbness, pain and more.
- Food poisoning
Food poisoning can cause abdominal pain, diarrhea, nausea, vomiting, fever, chills, and weakness.
- Stroke
A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.
- Low blood sugar (hypoglycemia)
Low blood sugar, or low glucose levels, causes shakiness, anxiety, clammy skin, irritability, hunger, and more.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, and more.
- Constipation (child)
Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.
- Constipation (adult)
Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.
- Low potassium (hypokalemia)
If the level of potassium in your blood drops below normal, it may cause low energy, leg cramps, and more.
- Gastritis
Gastritis is an inflammation of the stomach lining, causes stomach upset, irritation, and pain.
- Peptic ulcer
Peptic ulcers, sores in the lining of the stomach or upper intestine, cause abdominal pain, gas, and more.
- Heart rhythm disorder
Some heart rhythm disorders can cause a fluttering in the chest, shortness of breath, chest pain or dizziness.
- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- Acute stress reaction
Acute stress reaction symptoms include shortness of breath, anxiety, nervousness, sense of doom and more.
- Premature ventricular contractions (PVCs)
Premature ventricular contractions are extra heartbeats that start in one of the lower chambers of your heart.
- 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.
- Hyperventilation
Hyperventilation is rapid or shallow breathing usually caused by stress or anxiety.
- Iron poisoning
Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.
- Carbon monoxide poisoning
Carbon monoxide poisoning can be fatal, symptoms include headache, dizziness, nausea, and vomiting.
- Chronic kidney disease
Chronic kidney disease is a condition of the kidneys that can cause high blood pressure, fatigue, and weakness.
- Giardiasis
Giardiasis is an infection of the small intestine causing diarrhea, gas, bloating, nausea and stomach cramps.
- Helicobacter pylori infection
Helicobacter, bacteria in the digestive tract, causes peptic ulcers and their associated pain and burning.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Acute kidney failure
Acute kidney failure is sudden and can cause swelling, frequent dark urination, fatigue, nausea and more.
- Wernicke syndrome
Wernicke's encephalopathy can cause confusion, lack of muscle coordination, and vision problems.
- Botulinum toxin (Botox) injection
Botulinum toxin side effects may include pain and tenderness at the injection site, headache, nausea and more.
- Swallowed object
Symptoms of swallowing an object include coughing, choking, vomiting, throat pain, breathing trouble, and more.
- Aortic regurgitation
Aortic regurgitation, when the aortic valve doesn't close completely, can cause severe heart symptoms.
- Pyloric stenosis
Pyloric stenosis, a condition that affects infants, causes vomiting after eating, constant hunger, and more.
- Motion sickness
Motion sickness is a feeling of queasiness or nausea caused by moving in a car, bus, boat, or plane.
- Intestinal Ileus
Intestinal ileus is a condition of the intestinal muscles causing cramps and bloating, vomiting, gas, and more.
- Pancreatic cancer
Pancreatic cancer is typically asymptomatic until the cancer has advanced, making treatment difficult.
- Drug allergy
A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing.
- Drug dependence and abuse
Symptoms of drug dependence and abuse include bloodshot eyes, frequent nosebleeds, drowsiness, and more.
- Esophagitis
Esophagitis, an inflammation of the lining of the esophagus, causes chest pain, nausea, and more.
- Labyrinthitis
Labyrinthitis, an infection and swelling in the inner ear, and may cause vertigo or hearing loss.
- Narcotic abuse
Narcotic abuse can cause fatigue, shallow breathing, anxiety, euphoria, vomiting, confusion, and constipation.
- Heat exhaustion
Heat exhaustion causes intense thirst, heavy sweating, pale, cool, and moist skin, muscle cramps, and more.
- Hepatitis A
Hepatitis A is an inflammation of the liver. Symptoms include fever, fatigue, yellowing of the skin, and more.
- Hepatitis B
Hepatitis B is an inflammation of the liver that may cause fever, fatigue, dark urine, jaundice, and more.
- Intestinal obstruction
Intestinal obstruction is when the intestine is blocked and causes pain, swelling, nausea, diarrhea, and more.
- Intracranial hematoma
An intracranial hematoma occurs after a head injury and causes headache, drowsiness, confusion, and more.
- Lactose intolerance
Lactose intolerance, or the inability to digest lactose, leads to gas, bloating, and other symptoms.
- Glaucoma
Glaucoma is a group of eye conditions in which fluid builds up in your eye causing gradual vision loss.
- Gallstones
A gallstone attack occurs when a stone blocks the bile duct, causes right upper abdominal pain and cramping.
- Cervical (neck) spondylosis
Cervical spondylosis is arthritis of the neck pain and stiffness the neck, shoulder, arm, or chest.
- Multiple sclerosis
Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement.
- Polycystic kidney disease
Polycystic kidney disease can cause abdominal pain, headaches, and pain in the sides and back.
- Porphyria
Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight.
- Scleroderma
Scleroderma is an uncommon immune disorder that causes collagen to build up in the tissue, making it harden.
- Sickle cell disease
Sickle cell disease symptoms include repeated infections, yellow skin, fatigue, dizziness, pain, and more.
- Supraventricular tachycardia
Supraventricular tachycardia is fast heart rhythm starting in one of the upper chambers of the heart.
- Tetany
Tetany is a mineral imbalance causing painful muscle cramps and twitches in the hands, feet, face, and larynx.
- Thyroid storm
A thyroid storm, dangerously high levels of thyroid hormone, causes fever, racing heartbeat, sweating, and more
- Drug overdose
A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms.
- 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.
- Diabetic neuropathy
Diabetic neuropathy is a nerve condition of the extremities causing numbness, tingling, and pain.
- Mumps
Mumps is a contagious viral disease that causes painful swelling of the glands that produce saliva.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Chemical burns
A chemical burn can cause symptoms ranging from burning and blisters to pain and shortness of breath.
- Hyperparathyroidism
Hyperthyroidism causes weight loss, shakiness, tiredness, sensitivity to heat, insomnia, and more.
- Burn (heat or fire)
Burns caused by heat are called thermal burns and can cause pain swelling, skin changes, blisters and more.
- Frostbite
Frostbite happens when the skin and the tissue freezes, causing pins and needles, numbness, and pain.
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Hypopituitarism
Hypopituitarism is a rare disorder of the pituitary glands, which can cause many different symptoms.
- Lead poisoning
Lead poisoning causes sudden pain on either side of the lower back, urinary issues, nausea, fever, and chills.
- Brain aneurysm
A brain aneurysm is a weak spot in a blood vessel in the brain that balloons and fills with blood.
- Small intestine cancer
Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- CREST syndrome
CREST syndrome is a rare autoimmune disease that causes tissues to harden throughout the body.
- Mesenteric lymphadenitis
Mesenteric lymphadenitis is an inflammation of abdominal lymph nodes causing pain, diarrhea, fever, and more.
- Henoch-schonlein purpura
Henoch-Sch�nlein purpura is a condition that causes a purple bruise-like rash on the legs and buttocks.
- 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.
- Stomach cancer
Early stomach cancer may cause commonly misdiagnosed symptoms such as indigestion, nausea, and poor appetite.
- Budd-Chiari syndrome
Budd-Chiari syndrome is a rare liver condition, symptoms include pain, swelling, and vomiting blood.