Cyclic vomiting syndrome (CVS) is an uncommon health problem in adults. It's when you have sudden, recurring episodes or attacks of vomiting. The attacks may occur over a period of a few days or weeks.

Type A insulin resistance syndrome is a rare disease that causes your body to not process blood sugar well. This happens because insulin can't be used normally by your body's cells.

Gastroparesis is when food moves through the stomach more slowly than normal. In someone with diabetes, it's caused by damage to the vagus nerve from chronic high blood sugar.

When you have diabetes, quitting smoking is one of the most important things you can do to help your health. Both diabetes and smoking cause health problems on their own. But together they are more likely to cause serious damage to your blood vessels, eyes, and kidneys.

Venous thromboembolism is when a blood clot forms in a vein. The term refers to two linked conditions: deep vein thrombosis (DVT) and pulmonary embolism.

Sublingual immunotherapy may help with your allergies. It may ease your symptoms if you are allergic to dust mites or pollen from ragweed and grass. Learn more about this allergy treatment.

Segmental Doppler pressure testing measures the blood pressure in an arm or a leg at certain points. It uses Doppler ultrasound. It is able to check blood flow in an artery.

An external ventricular drain (EVD) is a thin tube that drains extra cerebrospinal fluid (CSF) from your brain. The extra fluid may be caused by illness or injury.

ARDS is a severe lung condition. It can happen within days after a serious illness or injury. In some children, it may occur without another illness or injury.

A skull fracture is a type of head injury. It is a break in the skull bone. A mild break may cause few problems, but more severe breaks need surgery right away.