10 Typical Aortic Aneurysm Symptoms

2. Back Pain

Back pain is one of the most common signs that an aortic aneurysm may be developing in the chest or abdomen. The pain usually feels deep and steady rather than sharp. It often begins in the middle or lower back and may spread to the side, buttocks, or groin.

This discomfort can happen when the wall of the aorta stretches or when blood leaks into the vessel wall. It may develop gradually or appear suddenly, and in some people, it can last for hours or even days. Unlike typical muscle strain, this type of back pain does not usually improve with rest or changes in position. Some people describe the sensation as pressure or a pulsing feeling that seems to follow the heartbeat.

If the aneurysm grows quickly or starts to tear, the pain can become severe and abrupt. Other symptoms such as dizziness, sweating, or nausea may appear at the same time. These changes can signal a medical emergency and require immediate attention.

3. Leg Pain

Leg pain can occur when an aortic aneurysm interferes with blood flow to the lower body. The aorta carries oxygen-rich blood from the heart to the legs, and when an aneurysm narrows the vessel or disrupts circulation, the muscles may not receive enough blood. This reduced blood supply can lead to pain, weakness, or discomfort in the legs.

The pain often feels dull, cramping, or sharp and commonly appears during walking or physical activity. Many people notice that the discomfort improves with rest. This pattern happens because the leg muscles struggle to get enough oxygen during movement but recover once activity stops.

Some individuals may also notice pale or cool skin, weak pulses in the legs, or numbness. These changes can develop as blood flow becomes further reduced or when the aneurysm presses on nearby blood vessels. In severe cases, sudden and intense leg pain may signal a rapid change in blood flow.

4. Leg Numbness

Leg numbness can occur when an aortic aneurysm disrupts blood flow to the lower body. The aorta carries blood from the heart through the chest and abdomen, and when part of it weakens or enlarges, circulation to the pelvis and legs can be reduced. This may cause the legs to feel numb, weak, or cool.

The numbness may come and go or persist, depending on the size and location of the aneurysm. Some people also notice tingling, pain, or a heavy sensation in one or both legs. If the aneurysm begins to leak or tear, numbness may appear suddenly and may occur alongside severe back or abdominal pain.

5. Increasingly Hoarse Voice

A hoarse or weak voice can be an early sign of a thoracic aortic aneurysm. This happens when the enlarged aorta presses on a nearby nerve that controls the vocal cords. The pressure can cause the voice to sound rough, breathy, or strained.

Many people notice that the voice change starts gradually and becomes more persistent over time. Because this change usually occurs without pain, it can be easy to dismiss. Hoarseness linked to an aneurysm differs from voice changes caused by colds, allergies, or overuse, which typically improve within a few days.

With an aneurysm, the hoarseness often lasts longer and does not improve with rest or common remedies. Pressure on nearby structures in the chest, such as the airway, may also occur. This can lead to coughing, shortness of breath, or a feeling of tightness in the throat.

6. Pulsating Sensation

A pulsating or throbbing feeling in the abdomen is one of the more noticeable signs of an abdominal aortic aneurysm. Many people describe it as a steady heartbeat in the stomach area, often felt just above the navel. It is usually most noticeable when lying down, though some people may also notice it during daily activities. This happens because blood pushes against a weakened section of the aortic wall.

As the aneurysm widens, the movement of blood through the enlarged area can create a pulse that can sometimes be seen or felt. People with less abdominal fat may be more likely to notice this sensation. In some cases, the sensation may spread slightly to the sides or lower part of the abdomen.

7. Sudden and Severe Pain

Sudden and severe pain can occur when the wall of the aorta stretches rapidly or begins to tear. As the vessel expands, it puts pressure on surrounding tissues and nerves. The pain often begins abruptly and does not improve with rest. It may occur in the chest, abdomen, back, or side, depending on where the aneurysm is located.

Many people describe the pain as sharp, stabbing, or tearing. It can spread from the original area to nearby regions, such as the groin or legs. The intensity may be so strong that standing, walking, or moving becomes difficult. If a rupture occurs, blood can leak into nearby spaces, greatly increasing the risk.

8. Sweatiness

Sweating can occur when an aortic aneurysm grows rapidly or begins to tear. This sudden internal stress activates the body’s emergency response, which can lead to cool, clammy skin. The sweating often begins suddenly and may spread across the body as the heart works harder to maintain blood flow. Unlike normal sweating from heat or anxiety, this type may feel unusual or out of proportion to the situation.

This sweating often appears alongside symptoms such as severe pain, dizziness, or a fast heartbeat. It may also occur with light-headedness, shortness of breath, or fainting. The sweat may feel cold rather than warm because blood pressure can drop quickly if the vessel begins to leak or rupture. When sweating appears together with intense pain or collapse, it can signal a medical emergency and requires immediate attention.

9. Dizziness

Dizziness can occur when an aortic aneurysm interferes with normal blood flow or causes internal bleeding. If the vessel wall weakens and begins to leak or tear, blood pressure can drop quickly. This can leave a person feeling light-headed, unsteady, or close to fainting.

Dizziness linked to an aneurysm often feels different from vertigo. Vertigo creates a spinning sensation, while aneurysm-related dizziness feels more like imbalance or near-fainting. It may appear during episodes of pain, physical strain, or sudden changes in position.

This symptom frequently occurs alongside other warning signs, such as chest pain, shortness of breath, or back pain. When dizziness appears together with these symptoms, it may indicate that the aneurysm is worsening and requires immediate medical evaluation.

10. Nausea

Nausea can occur when the body reacts to reduced blood flow or increased internal pressure caused by an aortic aneurysm. As the aorta enlarges, it may press on nearby organs in the abdomen, such as the stomach or intestines. This pressure can lead to a queasy or unsettled feeling, even when there is no obvious digestive illness.

Some people experience a mild but persistent upset stomach that does not seem related to food, infection, or routine stomach problems. In more serious situations, nausea may appear suddenly, especially if the aneurysm grows quickly or begins to leak. The body’s response to internal bleeding can also trigger nausea or vomiting.

Nausea linked to an aneurysm often occurs alongside other symptoms, including pain in the back, side, or abdomen. This discomfort can make eating difficult and may lead to reduced appetite. Some individuals may also feel light-headed at the same time, particularly if blood pressure begins to drop.