A stroke can affect many of the brain’s essential functions, but the symptoms a person experiences often depend on which side of the brain is impacted.
That distinction can play an important role in recognizing a stroke quickly -- something that can make a life-saving difference.
“Some common symptoms like facial drooping and speech changes are possible with any type of stroke,” said Dr. Shaneela Malik, a neurologist with Henry Ford Health. “However, since the left and right sides of the brain are related to separate processes of the body, there are some differences in how these strokes present.”
Here’s what to know about how stroke symptoms can vary, and why acting fast is critical no matter what.
Signs of a left-side stroke
The left side of the brain controls language and logical thinking. When a stroke occurs here, communication issues are often one of the first warning signs.
Symptoms may include:
- Difficulty understanding conversations
- Slower thinking or delayed speech
- Slurred or garbled speech
- Trouble finding the right words
Some people may also notice changes in reasoning, such as difficulty doing basic math or making quick decisions.
Signs of a right-side stroke
The right side of the brain is responsible for spatial awareness, coordination and how we interpret the world around us. Strokes on this side can affect balance and perception.
Common symptoms also include:
- Confusion about surroundings
- Difficulty completing everyday tasks, like getting dressed
- Sudden cognitive changes
- Trouble with balance or coordination
- Vision problems
- Weakness in the arms or legs
Because these symptoms can be less obvious than speech issues, they’re sometimes missed or dismissed.
Don’t ignore subtle changes
Recognizing a stroke isn’t always straightforward -- especially when symptoms are mild or unusual. But even subtle changes in behavior can signal something serious.
“Understanding subtle changes in a family member can make all the difference in their survival of a stroke,” Dr. Malik said. “Don’t ignore a loved one that is suddenly confused or not acting like themselves. Confusion if often the most common stroke symptom, but so many people dismiss this -- risking a delayed diagnosis and brain damage.”
Why quick treatment is critical
No matter which side of the brain is affected, a stroke is a medical emergency.
If caught early -- typically within the first few hours -- doctors may be able to give a clot-busting medication called TNK to restore blood flow. In some cases, patients may need a thrombectomy, a procedure that removes the clot directly from the blood vessel.
The sooner treatment begins, the better the chances of limiting long-term damage.
What recovery can look like
Stroke recovery varies widely from person to person. Factors like the size and location of the stroke, as well as a patient’s overall health, can all affect outcomes.
Right-sided strokes can sometimes go undetected longer, which can delay care. Left-sided strokes, on the other hand, are more likely to affect speech, which can be one of the most difficult abilities to regain.
Even when physical recovery is strong, some patients continue to experience cognitive changes that are harder to measure but still impact daily life.
Rehabilitation, including physical, occupational and speech therapy, can help patients rebuild strength and function over time.
“The best thing you can do to avoid many of the lasting effects of stroke is to seek treatment immediately,” Dr. Malik said. “Then, getting into therapy can help patients improve their physical and cognitive function over time.”
Click or tap here to learn about stroke care at Henry Ford Health.