Familial Combined Hyperlipidemia: Causes, Symptoms, and Treatment

Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.

What kind of doctor treats Familial Combined Hyperlipidemia?

A primary care doctor usually manages this condition. If blood fats stay high despite treatment, or if a person has heart disease, the doctor may refer the patient to a lipid specialist or a cardiologist. A dietitian can also help with meal planning.

What it is

Familial combined hyperlipidemia is an inherited condition that causes high levels of fats in the blood. These fats include cholesterol, a waxy substance that can build up in blood vessels, and triglycerides. The word "combined" means a person can have high cholesterol, high triglycerides, or both.

Symptoms

Most people have no symptoms. The high blood fats are usually found during a routine blood test. Over many years, the extra fats can narrow blood vessels and raise the chance of a heart attack or stroke. Some people develop small yellowish bumps on the skin.

Causes and who gets it

This condition runs in families. It happens when genes passed down from parents affect how the body handles blood fats. Things like weight, diet, activity level, and diabetes can make it worse. It often shows up in the teen years or young adulthood, but it can appear at any age.

How doctors diagnose it

Doctors use a blood test called a lipid panel to measure cholesterol and triglycerides. The condition is suspected when blood fats are high and close relatives also have high blood fats or early heart disease.

Treatment

Treatment usually starts with healthy eating, regular exercise, and keeping a healthy weight. If lifestyle changes are not enough, medicines such as statins can lower cholesterol, and other drugs can lower triglycerides. The goal is to reduce the risk of heart attack and stroke, so treatment is usually lifelong.

When to see a doctor

See a doctor if a close family member has high blood fats or early heart disease, since you may need testing. Get medical help right away for chest pain, trouble breathing, or weakness on one side of the body, which can be signs of a heart attack or stroke.

How a direct primary care or concierge doctor fits in

A direct primary care doctor charges a flat monthly fee instead of billing insurance for visits. A concierge doctor usually charges more and often works alongside insurance. These doctors often have longer visits. They can order lipid panels, prescribe medicines, and refer to a specialist if needed.

Common questions

Can familial combined hyperlipidemia be cured?

There is no cure, but treatment can lower blood fat levels and reduce the risk of heart disease. Most people need lifelong care.

Is it the same as high cholesterol from diet?

No. This condition is inherited, so genes play the main role. Diet and lifestyle still matter, but people with this condition often need medicine even when they eat well and exercise.

Should my children be tested?

Because the condition runs in families, close relatives, including children, may benefit from blood testing. A doctor can suggest the right age to start testing based on family history.

Can I stop my medicine if my numbers get better?

Do not stop any medicine without talking to your doctor. Blood fat levels often rise again when treatment stops. Your doctor can adjust the plan if side effects or other concerns come up.

Sources

  1. MedlinePlus - Familial combined hyperlipidemia
  2. National Organization for Rare Disorders (NORD) - Homozygous Familial Hypercholesterolemia

Medical Disclaimer

This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.