Tonsillitis is painful swelling in the tonsils, causing sore throat, red tonsils, pain, fever, and more.
Mononucleosis is a viral infection causing extreme fatigue, sore throat, fever, rash, muscle aches, and more.
Viral pharyngitis is a sore throat caused by a virus, and causes throat pain and cold-like symptoms.
Tuberculosis usually infects the lungs, causing a bad cough with blood, chest pain, fever, chills, and fatigue.
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
Located throughout the body, lymph nodes often swell and become tender when fighting an infection.
Scarlet fever is a red itchy rash on the body caused by streptococcal bacteria.
Indoor allergens are the things that cause an allergic reaction: dust, dust mites, mold, pet hair and more.
Kawasaki disease is an uncommon inflammation of the blood vessels; the most common symptom is fever.
Anthrax is a deadly bacterial infection that causes symptoms such as blisters and swelling.
Plague is a rare but deadly bacterial infection causing fever, vomiting, seizures, organ failure, and more.
Lymphoma is a cancer of the lymphatic system and can cause lymph node swelling, weight loss, fatigue, and more.
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.