Yes, a brain hemorrhage is a type of stroke. Specifically, it’s called a hemorrhagic stroke, and it accounts for about 13% of all strokes. The other 87% are ischemic strokes, caused by a blocked blood vessel rather than a burst one. Both types cut off oxygen to brain tissue and cause damage, but they happen through opposite mechanisms and require very different emergency treatment.
How Hemorrhagic and Ischemic Strokes Differ
An ischemic stroke occurs when a blood clot or fatty deposit blocks an artery supplying the brain. Brain cells downstream of the blockage start dying within minutes because they can’t get oxygen or nutrients. This is the most common type of stroke by a wide margin.
A hemorrhagic stroke happens when a blood vessel in or around the brain ruptures and bleeds. The damage is twofold: the brain tissue that was fed by that vessel loses its blood supply, and the pooling blood creates pressure that compresses surrounding brain tissue. That pressure can cause swelling, push structures out of position, and trigger further injury well beyond the original bleed site. Over 80% of patients with bleeding around the brain experience dangerous spikes in pressure inside the skull during hospitalization.
The chemical effects of leaked blood also cause harm. When red blood cells break apart outside the bloodstream, they release hemoglobin and its breakdown products directly into brain tissue. These substances are toxic to neurons and can trigger secondary waves of damage in the hours and days following the initial bleed.
Two Types of Brain Hemorrhage
Hemorrhagic strokes are further divided based on where the bleeding occurs.
Intracerebral hemorrhage means bleeding directly inside the brain tissue itself. This is the more common of the two and is most often caused by long-standing high blood pressure, which weakens small arteries deep in the brain until one eventually bursts. A buildup of abnormal protein in artery walls (common in older adults), blood-thinning medications, and brain tumors can also cause this type.
Subarachnoid hemorrhage means bleeding into the space between the brain and its protective covering. The most frequent cause is a ruptured cerebral aneurysm, a balloon-like weak spot in an artery wall that gives way under pressure. Abnormal tangles of blood vessels, called arteriovenous malformations, are another cause. High blood pressure and smoking both increase the risk of a rupture. So can stimulant drugs like cocaine and amphetamines, certain diet pills, and even a sudden spike in blood pressure from intense physical effort or strong emotion.
Symptoms That Point to a Hemorrhage
Both hemorrhagic and ischemic strokes share the classic stroke signs: sudden facial drooping, one-sided weakness or numbness, slurred speech, and vision changes. The standard “FAST” warning signs (face, arms, speech, time) apply to both.
Hemorrhagic strokes, however, tend to produce additional symptoms that ischemic strokes typically don’t. The hallmark is a thunderclap headache, a sudden, explosive headache often described as the worst pain someone has ever felt. Light sensitivity usually accompanies it. Other signals that suggest bleeding rather than a blockage include severe nausea and vomiting, a stiff neck, seizures, sudden vertigo or a spinning sensation, and rapid loss of consciousness. Symptoms can appear all at once or build over a few days.
None of these symptoms can definitively confirm a hemorrhage on their own. That’s why emergency imaging is essential.
Why the Distinction Matters in an Emergency
The treatment for an ischemic stroke is almost the opposite of what a hemorrhagic stroke patient needs, which makes fast, accurate diagnosis critical. The standard treatment for an ischemic stroke involves clot-dissolving medication to restore blood flow. Giving that same medication to someone with a brain bleed would be catastrophic, because it would make the bleeding worse. In fact, a prior brain hemorrhage is an absolute contraindication to clot-dissolving drugs.
Current guidelines call for brain imaging within 25 minutes of hospital arrival so doctors can determine which type of stroke is happening. A CT scan can quickly distinguish between a bleed and a blockage, and the entire treatment path depends on that result. For hemorrhagic stroke patients, priorities shift to controlling blood pressure, reversing any blood-thinning medications, managing the pressure building inside the skull, and in some cases, surgery to relieve compression or repair the damaged vessel.
Recovery and Long-Term Outlook
Hemorrhagic strokes are less common than ischemic strokes, but they are more dangerous. In a matched study of 600 stroke patients (half hemorrhagic, half ischemic, paired by age, sex, and bleed size), patients with brain hemorrhages had significantly worse outcomes at every stage of recovery. At discharge, hemorrhagic stroke patients had notably higher disability scores. At 90 days, the gap persisted. And at the one-year mark and beyond, outcomes for hemorrhagic stroke patients had not improved relative to their ischemic counterparts. In fact, long-term disability scores were slightly worse at the 12-month follow-up than they had been at discharge.
This doesn’t mean recovery is impossible. Many hemorrhagic stroke survivors do regain function, particularly with sustained rehabilitation. But the combination of direct tissue destruction, pressure-related damage, and the toxic effects of blood on brain tissue makes hemorrhagic strokes harder to recover from on average. The severity of the initial bleed, its location, and how quickly treatment begins all play major roles in determining outcomes.
What Raises Your Risk
Uncontrolled high blood pressure is the single biggest modifiable risk factor for brain hemorrhages. Over time, it damages the walls of small arteries throughout the brain, making them brittle and prone to rupture. Falls and traumatic head injuries are another common cause, particularly in older adults or those taking blood thinners.
Other risk factors include cerebral aneurysms (which may be present for years without symptoms), arteriovenous malformations, atherosclerosis, brain tumors, and heavy use of stimulant drugs. Blood-thinning medications, including common anticoagulants, increase the risk of bleeding if a vessel does rupture. Long-term blood pressure management is a cornerstone of preventing both first and recurrent hemorrhagic strokes.