Conditions

How to prevent another stroke

Preventing a second stroke is more intensive than preventing a first. It centres on finding the cause of the first one, then treating it specifically: antiplatelet or anticoagulant medication, blood pressure control, cholesterol lowering, and addressing atrial fibrillation or carotid narrowing.

Quick answer

Preventing a second stroke is more intensive than preventing a first. It centres on finding the cause of the first one, then treating it specifically: antiplatelet or anticoagulant medication, blood pressure control, cholesterol lowering, and addressing atrial fibrillation or carotid narrowing.

Cause first, because treatment follows from it

Secondary prevention is only as good as the diagnosis behind it. A stroke from atrial fibrillation is prevented with anticoagulation; one from small-vessel disease is prevented with antiplatelet therapy and aggressive blood pressure control; one from carotid narrowing may warrant a procedure. Those are different treatments, and giving the wrong one leaves you exposed. That is why the workup after a first event includes vascular imaging, prolonged heart rhythm monitoring and blood tests rather than moving straight to a prescription.

The targets are tighter than for primary prevention

After an event, blood pressure and cholesterol targets are generally lower than they would be for someone who has never had a stroke, and medication is usually started regardless of baseline numbers. This surprises people whose readings were previously described as acceptable. Adherence matters more here than almost anywhere: stopping antiplatelet or anticoagulant medication without discussion carries substantial risk, and doing so before dental or minor surgical procedures should always be checked rather than assumed.

What you control, and recognising a recurrence

Smoking cessation produces a larger risk reduction here than most medications. Physical activity, diet, alcohol moderation, treating sleep apnoea and diabetes control all contribute meaningfully. Learn FAST and make sure your household knows it, because recognising a recurrence quickly changes the outcome: Face drooping, Arm weakness, Speech difficulty, Time to call 911. Note the time symptoms start, since treatment eligibility depends on it.

About this practice

Clinical Neurology Specialists has been physician-owned since 1998, when Leo Germin, M.D., FAANEM founded it. Five board-certified neurologists and four advanced practice providers see patients at the Las Vegas and Henderson offices, each with its own AANEM-accredited electrodiagnostic laboratory.

Clinical Neurology Specialists is an adult outpatient neurology practice for patients 18 and older. The practice performs no surgery and operates no imaging suite, infusion suite or interventional pain programme, and provides no emergency or inpatient care.

Emergency & crisis resources: Clinical Neurology Specialists is not an emergency service. For stroke symptoms, a seizure lasting more than five minutes or any medical emergency, call 911 or go to the nearest emergency room. For a mental health crisis, call or text 988 (Suicide & Crisis Lifeline).

Frequently asked

Questions about how to prevent another stroke

How do I prevent another stroke?
By identifying the cause of the first one and treating that specifically, alongside tight blood pressure and cholesterol control, antiplatelet or anticoagulant medication as appropriate, smoking cessation, and managing diabetes and sleep apnoea. Targets are generally tighter than for someone who has never had a stroke.
Why does the cause matter so much?
Because the treatment differs entirely. Atrial fibrillation needs anticoagulation, small-vessel disease needs antiplatelet therapy and blood pressure control, and carotid narrowing may warrant a procedure. Giving the wrong prevention leaves you exposed, which is why the workup precedes the prescription.
Can I stop my blood thinner for a dental procedure?
Check first rather than assuming. Stopping antiplatelet or anticoagulant medication carries real risk, and many dental and minor procedures can proceed without stopping it. That decision belongs to the clinician managing your stroke prevention rather than being made at the appointment.
What lifestyle change helps most?
Stopping smoking, which produces a larger risk reduction than most individual medications. Beyond that, physical activity, alcohol moderation, treating sleep apnoea and diabetes control all contribute meaningfully rather than marginally. Treating sleep apnoea is frequently overlooked and matters more than most people expect, since untreated apnoea raises both blood pressure and stroke risk independently.
How do I recognise another stroke?
Use FAST: Face drooping, Arm weakness, Speech difficulty, Time to call 911. Teach it to whoever you live with, because they may recognise it before you do. Note the time symptoms began, since treatment eligibility depends on it, and call rather than drive.

Physician-reviewed. Reviewed by the physicians of Clinical Neurology Specialists — board-certified neurologists, AANEM-accredited electrodiagnostic laboratories, physician-owned since 1998. Reviewed 1 August 2026. This article is general education for adults 18 and older and is not a substitute for a consultation.

Next step

Speak to a board-certified neurologist

Adults 18 and older, at the Las Vegas and Henderson offices. Call 702-804-1212 or request an appointment online.