Healthy pregnancy
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Allergy shots
Allergy shots offer long-term relief from allergy symptoms. The treatments take 3 to 5 years to complete.
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 disorder that can 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.
Pulmonary embolism
A blood clot blocks and stops blood flow to an artery in the lung. Often the clot starts in a leg and travels to the lung.
Allergies
Allergy symptoms can range from mild to severe, even life-threatening. Find out what treatments and prevention tips can help.
Allergy medications: Know your options
Learn more about allergy medications. Find out what they do and how they can help your symptoms.
Cardiogenic shock
Most often the result of a severe heart attack, this rare condition can be deadly if not treated immediately.
Pulmonary hypertension
This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Know if you're at risk.
Medication overuse headaches
When medicines that ease headache pain are used too often, they can start causing headaches. Learn about prevention and treatment.
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