Posterior Circulation Disorders

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 7 min read
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Posterior circulation disorders affect the blood flow in the back part of your brain. This can lead to various symptoms and health issues. In this article, we'll explain everything you need to know about posterior circulation disorders in simple, plain English. We'll cover their types,...

For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

এই তথ্য শিক্ষা ও সচেতনতার জন্য। এটি ডাক্তারি পরীক্ষা, রোগ নির্ণয় বা প্রেসক্রিপশনের বিকল্প নয়।

Article Summary

Posterior circulation disorders affect the blood flow in the back part of your brain. This can lead to various symptoms and health issues. In this article, we'll explain everything you need to know about posterior circulation disorders in simple, plain English. We'll cover their types, causes, symptoms, diagnosis, treatment options, and preventive measures. Posterior circulation disorders occur when there's a problem with the blood flow...

Key Takeaways

  • This article explains Causes of Posterior Circulation Disorders in simple medical language.
  • This article explains Symptoms of Posterior Circulation Disorders in simple medical language.
  • This article explains Diagnostic Tests for Posterior Circulation Disorders in simple medical language.
  • This article explains Non-Pharmacological Treatments for Posterior Circulation Disorders in simple medical language.
Educational health guideWritten for patient understanding and clinical awareness.
Reviewed content workflowUse writer and reviewer profiles for stronger trust.
Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

  • Fever with very low white blood cells or known immune suppression.
  • Unusual bruising, persistent bleeding, black stools, or severe weakness.
  • Shortness of breath, fainting, confusion, or rapidly worsening fatigue.
1

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

2

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

3

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

Posterior circulation disorders affect the blood flow in the back part of your brain. This can lead to various symptoms and health issues. In this article, we’ll explain everything you need to know about posterior circulation disorders in simple, plain English. We’ll cover their types, causes, symptoms, diagnosis, treatment options, and preventive measures.

Posterior circulation disorders occur when there’s a problem with the blood flow to the back part of your brain. This can happen due to various reasons, leading to symptoms like dizziness, balance issues, and vision problems.

Types of Posterior Circulation Disorders

There are different types of posterior circulation disorders, including:

  1. Ischemic Stroke
  2. Transient Ischemic Attack (TIA)
  3. Vertebrobasilar Insufficiency
  4. Posterior Cerebral Artery Stroke
  5. Basilar Artery Thrombosis
  6. Vertebral Artery Dissection

Causes of Posterior Circulation Disorders

Posterior circulation disorders can be caused by various factors, including:

  1. High blood pressure
  2. High cholesterol
  3. Smoking
  4. insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।" data-rx-term="diabetes" data-rx-definition="Diabetes is a condition where blood sugar stays too high because insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।">Diabetes
  5. Obesity
  6. Sedentary lifestyle
  7. Family history of stroke
  8. Aging
  9. Heart disease
  10. Atrial fibrillation
  11. Blood clotting disorders
  12. Vertebral artery narrowing
  13. Head or neck injuries
  14. Drug abuse
  15. Sleep apnea
  16. Stress
  17. Poor diet
  18. Excessive alcohol consumption
  19. Hormonal changes (such as during pregnancy or menopause)
  20. Certain medications

Symptoms of Posterior Circulation Disorders

The symptoms of posterior circulation disorders can vary depending on the severity of the condition. Common symptoms include:

  1. Dizziness or vertigo
  2. Difficulty walking
  3. Loss of balance
  4. Double vision
  5. Blurred vision
  6. Weakness on one side of the body
  7. Numbness or tingling
  8. Trouble speaking
  9. Difficulty swallowing
  10. Confusion
  11. Severe pain in the head or upper neck. সহজ বাংলা: মাথাব্যথা।" data-rx-term="headache" data-rx-definition="Headache means pain in the head or upper neck. সহজ বাংলা: মাথাব্যথা।">headache
  12. Loss of coordination
  13. Nausea or vomiting
  14. Sudden vision loss in one eye
  15. Slurred speech
  16. Hearing loss
  17. Memory problems
  18. Changes in behavior
  19. Loss of consciousness
  20. Difficulty with fine motor skills

Diagnostic Tests for Posterior Circulation Disorders

Diagnosing posterior circulation disorders involves a combination of physical exams and diagnostic tests, including:

  1. Neurological examination
  2. MRI (Magnetic Resonance Imaging)
  3. CT scan (Computed Tomography)
  4. MRA (Magnetic Resonance Angiography)
  5. CTA (Computed Tomography Angiography)
  6. Doppler ultrasound
  7. Carotid ultrasound
  8. Transcranial Doppler (TCD) ultrasound
  9. Echocardiogram
  10. Electrocardiogram (ECG or EKG)
  11. Blood tests
  12. Holter monitor
  13. Cerebral angiography
  14. Lumbar puncture (spinal tap)
  15. PET scan (Positron Emission Tomography)
  16. SPECT scan (Single Photon Emission Computed Tomography)
  17. X-ray
  18. Visual field test
  19. Audiometry (hearing test)
  20. Tilt table test

Non-Pharmacological Treatments for Posterior Circulation Disorders

In addition to medication, there are several non-pharmacological treatments that can help manage posterior circulation disorders, including:

  1. Lifestyle changes (quitting smoking, maintaining a healthy weight, regular exercise)
  2. Dietary changes (reducing sodium intake, eating a heart-healthy diet)
  3. Physical therapy
  4. Occupational therapy
  5. Speech therapy
  6. Cardiac rehabilitation
  7. Stress management (yoga, meditation)
  8. Sleep hygiene (regular sleep schedule)
  9. Smoking cessation programs
  10. Alcohol moderation or cessation
  11. Avoiding recreational drugs
  12. Assistive devices (canes, walkers)
  13. Fall prevention strategies (removing tripping hazards)
  14. Cognitive behavioral therapy (CBT)
  15. Support groups
  16. Nutritional counseling
  17. Pain management (heat therapy, massage)
  18. Assistive technology (voice-activated devices)
  19. Adaptive equipment (modified utensils)
  20. Environmental modifications (handrails, ramps)
  21. Balance training exercises
  22. Vestibular rehabilitation therapy
  23. Vision therapy
  24. Hearing aids or devices
  25. Recreational therapy
  26. Mindfulness practices
  27. Biofeedback therapy
  28. Hydrotherapy (water-based therapy)
  29. Acupuncture
  30. Chiropractic care

Drugs for Posterior Circulation Disorders

Medications are often prescribed to manage posterior circulation disorders and reduce the risk of complications. These may include:

  1. Antiplatelet drugs (aspirin, clopidogrel)
  2. Anticoagulant drugs (warfarin, heparin)
  3. Thrombolytic drugs (alteplase, tenecteplase)
  4. Statins (atorvastatin, simvastatin)
  5. Blood pressure medications (ACE inhibitors, beta-blockers)
  6. insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।" data-rx-term="diabetes" data-rx-definition="Diabetes is a condition where blood sugar stays too high because insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।">Diabetes medications (insulin, metformin)
  7. Anti-seizure medications (phenytoin, levetiracetam)
  8. Antidepressant medications (SSRIs, tricyclic antidepressants)
  9. Muscle relaxants (baclofen, tizanidine)
  10. Pain relievers (acetaminophen, ibuprofen)
  11. Anti-nausea medications (ondansetron, metoclopramide)
  12. Dizziness medications (meclizine, diazepam)
  13. Anxiety medications (diazepam, lorazepam)
  14. Cholesterol-lowering drugs (ezetimibe, niacin)
  15. infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">Anti-inflammatory drugs (prednisone, dexamethasone)
  16. Antihypertensive drugs (diuretics, calcium channel blockers)
  17. Vasodilators (nitroglycerin, hydralazine)
  18. Antiarrhythmic drugs (amiodarone, sotalol)
  19. Antihyperlipidemic drugs (fibrates, bile acid sequestrants)
  20. Diabetic neuropathy drugs (duloxetine, pregabalin)

Surgeries for Posterior Circulation Disorders

In some cases, surgery may be necessary to treat posterior circulation disorders or reduce the risk of complications. Surgical options may include:

  1. Carotid endarterectomy: Removing plaque from the carotid artery.
  2. Carotid angioplasty and stenting: Widening narrowed carotid arteries.
  3. Thrombectomy: Removing a blood clot.
  4. Aneurysm clipping or coiling: Repairing aneurysms.
  5. Craniotomy: Relieving pressure on the brain.
  6. Vertebral artery reconstruction: Repairing damaged vertebral arteries.
  7. Bypass surgery: Creating a new path for blood flow.
  8. Endovascular embolization: Blocking abnormal blood vessels.
  9. Microvascular decompression: Relieving pressure on cranial nerves.
  10. Decompressive hemicraniectomy: Removing part of the skull to relieve pressure.

Preventive Measures for Posterior Circulation Disorders

Taking proactive steps can help prevent posterior circulation disorders. Here are some preventive measures:

  1. Maintain a healthy diet.
  2. Exercise regularly.
  3. Quit smoking.
  4. Control blood pressure.
  5. Manage diabetes.
  6. Lower cholesterol levels.
  7. Limit alcohol intake.
  8. Avoid recreational drugs.
  9. Maintain a healthy weight.
  10. Reduce stress through relaxation techniques.

When to See a Doctor

You should see a doctor if you experience symptoms like:

  1. Sudden dizziness or vertigo
  2. Trouble walking or loss of balance
  3. Sudden vision problems
  4. Weakness or numbness on one side of the body
  5. Difficulty speaking or swallowing
  6. Severe headache
  7. Confusion or memory loss
  8. Changes in behavior or mood
  9. Loss of consciousness
  10. Hearing loss or ringing in the ears

Conclusion

Posterior circulation disorders can have serious health implications, but understanding their causes, symptoms, and treatment options can help you manage and prevent them. By making healthy lifestyle choices and seeking medical attention when needed, you can reduce your risk and improve your quality of life.

 

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. Thank you for giving your valuable time to read the article.

 

Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Orthopedic / spine specialist, physical medicine doctor, or qualified clinician
Tests to discuss with doctor
  • Neurological examination for leg power, sensation, reflexes, and straight leg raise
  • X-ray only if injury, deformity, long-lasting pain, or doctor suspects bone problem
  • MRI discussion if severe nerve symptoms, weakness, bladder/bowel problem, or persistent symptoms
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?
  • Is physiotherapy, posture correction, or activity modification needed?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Posterior Circulation Disorders

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

References

Add references, clinical guidelines, textbooks, journal articles, or trusted medical sources here. You can edit this area from the RX Article Professional Blocks panel.

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