A transient ischemic attack (TIA), commonly called a “mini-stroke,” occurs when blood flow to part of the brain is temporarily interrupted. Although the blockage resolves before permanent brain injury occurs, a TIA should never be dismissed as harmless. It often serves as an early warning sign that a major stroke could happen in the near future.

Unlike a stroke, TIA symptoms usually improve within minutes or hours. However, the temporary nature of symptoms can create a false sense of reassurance, causing many people to delay medical attention. Immediate evaluation is critical because the risk of a full stroke is highest in the hours and days following a TIA.

Concerned about stroke symptoms or your risk of stroke?

Methodist Le Bonheur Healthcare offers comprehensive stroke care, neurological evaluations, and stroke risk assessments for patients across the Mid-South. If you’ve experienced possible stroke symptoms — even if they went away — use our Find a Provider tool to connect with a healthcare provider and schedule an appointment online.

What causes a TIA?

Most TIAs result from a temporary blood clot or narrowed blood vessel that briefly reduces blood flow to the brain. The same vascular risk factors that contribute to ischemic stroke also increase the likelihood of a TIA, including:

• High blood pressure
• High cholesterol
• Diabetes
• Smoking or tobacco use
• Atrial fibrillation (AFib) and other heart rhythm disorders
• Carotid artery disease
• Obesity and physical inactivity
• Obstructive sleep apnea

Because these conditions affect blood vessels and circulation, a TIA can signal underlying cerebrovascular disease that requires prompt treatment and long-term management.

Can mini-stroke symptoms go away?

Yes — and this is one reason TIAs can be so dangerous.

Symptoms often disappear once normal blood flow returns to the brain. Many individuals mistakenly assume that if symptoms resolve, the problem has passed. In reality, the underlying cause may still place the patient at significant risk for a future stroke.

“A mini-stroke may not cause permanent symptoms, but it can be a critical warning sign. The risk of a more severe stroke is highest shortly after a TIA, which is why rapid evaluation and treatment are so important.” – Dr. Balaji Krishnaiah, Stroke Medical Director at Methodist Le Bonheur Healthcare

What are common TIA symptoms?

TIA symptoms resemble those of a stroke and typically appear suddenly. Common warning signs include:

• Weakness or numbness in the face, arm, or leg, especially on one side of the body
• Difficulty speaking or understanding speech
• Sudden confusion
• Vision loss, double vision or blurred vision
• Dizziness, loss of balance, or trouble walking
• Sudden severe headache without a known cause

Even if symptoms last only a few minutes, emergency medical evaluation is essential.

Methodist Le Bonheur Healthcare encourages patients to remember stroke warning signs and seek immediate care if symptoms appear.

Why is a TIA considered a warning sign for stroke?

A TIA can indicate that blood vessels supplying the brain are already affected by narrowing, clotting, or vascular disease. Without treatment, these problems may eventually cause a prolonged blockage that results in permanent brain injury.

Studies show that stroke risk increases significantly after a TIA, particularly within the first 48 hours. Early diagnosis and treatment can greatly reduce the likelihood of a future stroke.

Even younger adults or otherwise healthy individuals can experience TIAs, especially when underlying cardiovascular risk factors are present.

How is a TIA diagnosed?

Because symptoms may be gone by the time a patient reaches the hospital, diagnosing a TIA often involves reviewing the patient’s symptoms, medical history, and imaging studies.

Healthcare providers may use:

• Brain imaging, such as CT or MRI scans
• Blood vessel imaging of the brain and neck (Carotid artery ultrasound)
• Heart rhythm monitoring or electrocardiogram (ECG/EKG)
• Blood pressure and cholesterol evaluation
• Blood tests to assess cardiovascular risk factors

Neurology and stroke teams at Methodist Le Bonheur Healthcare use advanced imaging and diagnostic testing to evaluate possible TIAs and identify conditions that may increase future stroke risk.

“Even if symptoms have resolved, we still need to understand why they occurred. Identifying the source of a TIA helps guide treatment decisions that may help prevent a future stroke.” – Dr. Balaji Krishnaiah, Stroke Medical Director at Methodist Le Bonheur Healthcare

What happens after a TIA?

Treatment after a TIA focuses on reducing future stroke risk and managing underlying health conditions.

Depending on the cause, treatment recommendations may include:

• Blood pressure or cholesterol medications
• Diabetes management
• Smoking cessation support
• Blood thinners or antiplatelet medications
• Lifestyle changes such as improved nutrition and regular exercise
• Monitoring for heart rhythm disorders like atrial fibrillation

Some patients may also need ongoing follow-up with a neurologist, cardiologist, or primary care provider to monitor stroke risk over time.

When should you seek emergency care for a mini-stroke?

You should seek emergency medical care immediately if you experience possible TIA or stroke symptoms — even if symptoms improve quickly or completely disappear.

Do not wait to see if stroke symptoms return. Calling 911 and seeking rapid evaluation can help providers determine whether a TIA or stroke occurred and begin treatment as quickly as possible.

Early treatment can help prevent long-term disability and reduce the risk of recurrent stroke.

Key takeaways

• A transient ischemic attack (TIA), or mini-stroke, is a temporary interruption of blood flow to the brain.
• TIA symptoms may go away quickly, but a TIA should always be treated as a medical emergency.
• A TIA can be an early warning sign of a future stroke.
• Common symptoms include sudden weakness, numbness, speech difficulty, vision changes, and balance problems.
• Rapid evaluation and treatment can significantly lower future stroke risk.

Take stroke symptoms seriously — even if they go away

Stroke symptoms that disappear can still signal a serious underlying problem. Methodist Le Bonheur Healthcare provides comprehensive stroke care, neurological evaluations, advanced imaging, and ongoing support for patients across the Mid-South. Learn more about stroke services, take the online Stroke Risk Assessment, or connect with a provider to better understand your stroke risk and next steps for care.

Medical Disclaimer: This content is for informational purposes only and does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider regarding stroke symptoms or stroke risk. Last medically reviewed on May 21, 2026.