- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Contact dermatitis
Contact dermatitis is a rash on the skin that can be itchy, painful, tender swollen and even blistered.
- Drug allergy
A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing.
- Heat exposure
Heat exposure can cause dizziness, nausea, headache, weakness, a fast heartbeat, muscle cramps, and more.
- Acute stress reaction
Acute stress reaction symptoms include shortness of breath, anxiety, nervousness, sense of doom and more.
- Rosacea
Rosacea is a skin condition that causing redness, broken blood vessels, a rash, or thickened skin on the face.
- Carcinoid syndrome
Carcinoid syndrome is a group of symptoms such as flushing, wheezing, and diarrhea that may develop in people who have carcinoid cancer.
- High blood pressure (hypertension)
High blood pressure, often asymptomatic, can cause headaches, shortness of breath, nosebleeds, and anxiety.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Cyanide poisoning
The symptoms of cyanide poisoning include headache, weakness, confusion, nausea, and seizures.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, and more.
- Insulin reaction (hypoglycemia)
An insulin reaction is the result of low blood sugar and causes anxiety, hunger, shaking, dizziness, and more.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.