- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- Tonsillitis
Tonsillitis is painful swelling in the tonsils, causing sore throat, red tonsils, pain, fever, and more.
- Drug allergy
A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing.
- Anaphylactic shock
Anaphylactic shock is a sudden severe allergic reaction marked by breathing trouble, a tight throat, and more.
- Mononucleosis
Mononucleosis is a viral infection causing extreme fatigue, sore throat, fever, rash, muscle aches, and more.
- Viral pharyngitis
Viral pharyngitis is a sore throat caused by a virus, and causes throat pain and cold-like symptoms.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Acute stress reaction
Acute stress reaction symptoms include shortness of breath, anxiety, nervousness, sense of doom and more.
- Swollen glands
Located throughout the body, lymph nodes often swell and become tender when fighting an infection.
- Supraventricular tachycardia
Supraventricular tachycardia is fast heart rhythm starting in one of the upper chambers of the heart.
- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Scarlet fever
Scarlet fever is a red itchy rash on the body caused by streptococcal bacteria.
- Tuberculosis
Tuberculosis usually infects the lungs, causing a bad cough with blood, chest pain, fever, chills, and fatigue.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Indoor allergens
Indoor allergens are the things that cause an allergic reaction: dust, dust mites, mold, pet hair and more.
- Chemical burns
A chemical burn can cause symptoms ranging from burning and blisters to pain and shortness of breath.
- Burn (heat or fire)
Burns caused by heat are called thermal burns and can cause pain swelling, skin changes, blisters and more.
- Anthrax (skin)
Anthrax is a deadly bacterial infection that causes symptoms such as blisters and swelling.
- Kawasaki disease
Kawasaki disease is an uncommon inflammation of the blood vessels; the most common symptom is fever.
- Plague
Plague is a rare but deadly bacterial infection causing fever, vomiting, seizures, organ failure, and more.
- Lymphoma
Lymphoma is a cancer of the lymphatic system and can cause lymph node swelling, weight loss, fatigue, and more.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.