- Bruise or contusion
Bruises, or contusions, cause skin discoloration, swelling and tenderness.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Irritable bowel syndrome
Irritable bowel syndrome is a common condition that causes painful spasms and cramping in the large intestine.
- Hematoma
A hematoma is a collection of blood in the tissue outside of a damaged blood vessel, usually after an injury.
- Sleep apnea
People with sleep apnea stop and restart breathing multiple times while sleeping.
- Gas pains
Belching or passing gas clears gas from the digestive tract, but when gas is stuck it causes abdominal pain.
- Constipation (child)
Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.
- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- Alcohol withdrawal (delirium tremens)
Alcohol withdrawal causes anxiety, depression, headaches, nightmares, fatigue, sweating, and shakiness.
- Muscle strain
Muscle strain occurs when muscles are stressed, overworked, or injured due to physical activity or labor.
- Heat stroke (hyperthermia)
Heat stroke is caused by hot weather and results in dizziness, nausea, vomiting, confusion, and a headache.
- Dry mouth
Symptoms of dry mouth include sticky mouth, dry and cracked lips and tongue, sore throat, cavities, and more.
- Trauma or injury
Trauma most often refers to serious bodily injury or wounds symptoms range depending on the injury.
- Epilepsy (complex partial seizures)
During complex partial seizures, people lose consciousness briefly.
- Concussion
A concussion is an injury to the brain, and may cause confusion, drowsiness, memory loss and headache.
- Gallstones
A gallstone attack occurs when a stone blocks the bile duct, causes right upper abdominal pain and cramping.
- 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.
- Insulin reaction (hypoglycemia)
An insulin reaction is the result of low blood sugar and causes anxiety, hunger, shaking, dizziness, and more.
- Low blood sugar (hypoglycemia)
Low blood sugar, or low glucose levels, causes shakiness, anxiety, clammy skin, irritability, hunger, and more.
- 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.
- Parkinson disease
Parkinson's disease is a disorder of the nervous system causing tremors stiffness and slow movement.
- Phlebitis
Phlebitis means inflammation of the veins, and can cause redness, itching, irritation, pain, and swelling.
- 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.
- 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.
- 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.
- 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.
- Constipation (adult)
Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.
- Thrombocytopenia
Thrombocytopenia causes bruising, frequent nosebleeds, and tiny red dots that look like a rash.
- 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.
- Typhoid fever
Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.
- Small intestine cancer
Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.
- 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.
- Budd-Chiari syndrome
Budd-Chiari syndrome is a rare liver condition, symptoms include pain, swelling, and vomiting blood.
