Hyperlipidemia, an excess of lipids or fats in your blood, is not always readily apparent. In fact, it rarely causes symptoms, so hyperlipidemia is considered a “silent disease,” somewhat like hypertension (high blood pressure) which is another silent condition. 

Usually, hyperlipidemia is discovered by doing a fasting blood test to measure the LDL and HDL cholesterol and the triglycerides. Everyone should have this test at least once, and this is especially important for anyone who has a family history of hyperlipidemia/high cholesterol, or of heart attack or stroke. 

Symptoms from hyperlipidemia most often are due to blood vessel clogging or heart disease, which are serious conditions that can occur after years of untreated or undetected hyperlipidemia.

People who have untreated hyperlipidemia for many years may develop symptoms. Often, the first symptoms are from atherosclerosis or "hardening of the arteries" that can cause angina, heart attack, stroke and kidney damage, among other problems. But there are also some direct symptoms of hyperlipidemia. Recognizing these symptoms is one way of detecting and managing this condition.

Here are signs and symptoms of hyperlipidemia that should never be ignored.

1. Xanthomas

   

   Image via DermNetNZ.org, in accordance with CC by 3.0 NZ.
   
   Xanthomas are fatty deposits that accumulate under the skin, appearing as small, yellowish bumps or nodules. These can manifest on various body parts, such as the elbows, knees, buttocks or tendons. Xanthomas can be a sign of underlying lipid abnormalities and may warrant further investigation.

2. Xanthelasma

   

   Klaus D. Peter, Wiehl, Germany, CC BY 3.0 DE, via Wikimedia Commons.
   
   Similar to xanthomas, xanthelasma presents as yellowish patches or plaques on the eyelids. These cholesterol deposits can be indicative of hyperlipidemia, particularly elevated levels of low-density lipoprotein (LDL) “bad” cholesterol.

3. Arcus senilis

Arcus senilis refers to a whitish or grayish ring that forms around the outer part of the cornea. This condition is associated with the deposition of cholesterol in the blood vessels of the eyes and may suggest high lipid levels.

4. Chest pain or angina
Hyperlipidemia can contribute to the development of coronary atherosclerosis, a condition where plaque builds up in the arteries of the heart, potentially leading to reduced blood flow. This can manifest as chest pain or discomfort, known as angina, and can lead to a heart attack (myocardial infarction) and other heart problems. It is important to note that chest pain can have various causes, so consulting a healthcare professional is essential for proper evaluation and diagnosis.

5. Shortness of breath
Reduced blood flow to the heart due to atherosclerosis can also cause shortness of breath, especially during physical exertion or activities that require increased oxygen supply.

6. Other symptoms 
Hyperlipidemia increases the risk of atherosclerosis anywhere in the body. So the first symptoms can also include neurologic symptoms of a stroke (cerebrovascular accident) or mini-stroke (transient ischemic attack), or pain in the legs on walking (claudication), or swelling and fatigue from kidney failure. 

It's important to note that hyperlipidemia is often asymptomatic in its early stages, which is why regular screening is crucial for early detection and intervention. Routine lipid profile testing, especially in individuals with risk factors such as a family history of high cholesterol, obesity, diabetes, or hypertension, can aid in identifying and managing hyperlipidemia.

Recognizing the signs and symptoms of hyperlipidemia is essential for timely intervention and management. While some visible indicators like xanthomas, xanthelasma, or arcus senilis may be present, it's important to remember that hyperlipidemia is usually silent, without obvious symptoms. Regular screenings and discussions with your healthcare provider about your risk factors can help identify and address hyperlipidemia at an early stage, reducing the risk of cardiovascular complications. Your HealthTap doctor can provide personalized guidance, conduct appropriate testing, and help you make informed decisions to protect your cardiovascular well-being.