High triglycerides by themselves do not cause symptoms. If your high triglycerides are caused by a genetic condition, you may have visible fatty deposits under the skin called xanthomas.

In rare cases, people who have very high triglyceride levels may develop inflammation of the pancreas (pancreatitis), which can cause sudden, severe abdominal pain, loss of appetite, nausea and vomiting, and fever.

Triglycerides are categorized as follows:

If you have high triglycerides, you may also have high cholesterol. In many cases, people don't know that they have high triglycerides until they have a blood test called a lipoprotein analysis to check their cholesterol levels.

If your triglyceride levels are high, your doctor will also check for and treat other associated conditions that may be linked to high triglycerides. These conditions include diabetes, hypothyroidism, kidney disease, and metabolic syndrome.