Consumer health basics
Learning Center
Did you mean que?
Q fever
Learn more about the symptoms, treatment and prevention of this often mild bacterial infection spread by animals.
Cyclic vomiting syndrome
Cyclic vomiting syndrome often starts in childhood and is marked by spells of vomiting several times an hour over a period of hours or days.
Myelodysplastic syndromes
Learn how medications and bone marrow transplants are used to control complications caused by these syndromes that affect the bone marrow.
Bee sting
Learn more about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.
Long QT syndrome
Learn more about the causes and treatment of this heart rhythm condition that can potentially cause fast, chaotic heartbeats.
Cold urticaria
Learn more about the symptoms and treatment of this allergic skin reaction caused by cold that most often affects young adults.
Alpha-gal syndrome
An allergic reaction to meat-based meals had researchers stumped — until they connected the condition to bites from certain ticks.
Peanut allergy
Peanut allergy can be serious. Find out what you need to know to prevent a life-threatening reaction, and get the latest on treatment approaches.
Allergies
Allergy symptoms can range from mild to severe, even life-threatening. Most allergies can't be cured, but treatments can help.
Pulmonary embolism
Pulmonary embolism is often caused by blood clots that travel to the lungs from the legs. Prevention is aimed at stopping clots from forming in the legs.