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How do you treat a high platelet count?
Can a high platelet count be cured?
What if I have a high platelet count?
Dec 30, 2022 · Have a very high platelet count. Your doctor might prescribe platelet-lowering drugs such as hydroxyurea (Droxia, Hydrea), anagrelide (Agrylin) or interferon alfa (Intron A). In emergencies, platelets can be filtered from your blood with a machine.
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A high platelet level may be detected in a routine blood...
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Jan 24, 2024 · This article discusses the diagnosis process and treatment options for a high platelet count and any associated underlying conditions. It also covers when to worry, or not worry, about a high platelet count.
- Overview
- Symptoms and Causes
- Diagnosis and Tests
- Management and Treatment
- Prevention
- Outlook / Prognosis
- Living With
Thrombocytosis involves having an elevated level of platelets in your blood. Platelets are blood cells that form clots to stop bleeding. There are two main types of thrombocytosis: essential thrombocythemia and reactive thrombocytosis. Usually, thrombocytosis isn’t serious. But too many platelets can cause complications like a stroke, heart attack or a clot in your blood vessels.
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What causes thrombocytosis?
Essential thrombocythemia (ET) and reactive thrombocytosis have different causes.
What are the symptoms of thrombocytosis?
Most people with high platelets don’t have symptoms, at least at first. If you have reactive thrombocytosis, you may experience symptoms associated with the condition causing it. When symptoms occur, they often relate to abnormal bleeding and clotting in your body. Symptoms include: Headache. Bruising easily. Feeling weak, lightheaded or dizzy. Bleeding from your nose, mouth and gums. Bleeding in your stomach or intestinal tract. Some people with essential thrombocythemia develop erythromelalgia, a condition that causes pain, swelling and redness in your hands and feet. You may also notice numbness and tingling. In severe cases, thrombocytosis can cause unusual blood clots in your abdomen (Budd-Chari syndrome) and increase your risk of a stroke or heart attack. Advertisement
How is thrombocytosis diagnosed?
As thrombocytosis doesn’t typically cause symptoms, the first sign is often a high platelet count that shows up during routine blood work (complete blood count). Thrombocytosis involves having more than 450,000 platelets per microliter of blood. If you have elevated levels, your healthcare provider will likely order a follow-up blood test a few weeks later to see if your levels remain high. Levels that are momentarily high but then return to normal aren’t usually concerning. Levels that remain elevated may signal an underlying condition. Identifying the underlying condition (such as iron deficiency anemia, cancer or infection) that’s raising your levels helps healthcare providers diagnose and manage reactive thrombocytosis. If your provider can’t find a secondary cause, they’ll run tests to see if you have essential thrombocythemia. Tests may include: Peripheral blood smear: Shows if the platelets in your blood look abnormal. DNA/genetic tests: Detect gene mutations common in ET, like JAK2. Bone marrow biopsy: Checks for abnormal cells in your bone marrow.
How is thrombocytosis treated?
If you don’t have symptoms, you may only need routine checkups. Secondary forms of thrombocytosis rarely require treatment. Usually, levels return to normal after the condition causing high platelets (injury, infection, response to surgery, etc.) resolves. If you do have symptoms, your healthcare provider will treat the underlying cause. Your provider may recommend a few treatment options if you have essential thrombocythemia and are experiencing symptoms: Taking a daily low-dose aspirin: You can take aspirin to prevent blood clots. The low dose doesn’t usually cause stomach upset or bleeding. Be sure to check with your provider before taking aspirin regularly. Taking medicines that lower platelet levels: Medications such as hydroxyurea(Droxia®, Hydrea®, Siklos®, Mylocel®) and anagrelide (Agrilyn®) suppress platelet production in your bone marrow. Interferon alfa (Multiferon®) prevents abnormal platelets from dividing and multiplying. Having a procedure to remove your platelets: If your platelets are so high that they’re putting you at risk of life-threatening blood clots, your provider may recommend plateletpheresis. This procedure uses a machine to filter excess platelets from your blood. Most causes of thrombocytosis don’t require plateletpheresis. Advertisement
Can thrombocytosis be cured?
There’s no cure for essential thrombocytosis, but your healthcare provider can help you manage the condition to reduce your risk of clots. High platelet levels associated with secondary causes usually return to normal once the underlying condition resolves. Care at Cleveland Clinic Benign Hematology Disorders Treatment Find a Doctor and Specialists Make an Appointment
Can thrombocytosis be prevented?
Most conditions that cause thrombocytosis, including essential thrombocythemia, aren’t preventable.
Is thrombocytosis life-threatening?
High platelets aren’t life-threatening, but the complications that can result from the condition — blood clots or severe bleeding — can be. The most common causes of thrombocytosis are short-lived and don’t put you at risk of serious blood clots. The risk is greater with essential thrombocytosis. Still, your healthcare provider will monitor you closely, prescribe medications and perform necessary procedures to prevent harmful blood clots.
What is the outlook for someone with thrombocytosis?
Reactive thrombocytosis gets better when the underlying problem resolves. Although your platelet count is elevated for a short time (or even long-term after splenectomy), secondary thrombocytosis doesn’t typically lead to abnormal blood clotting. Essential thrombocythemia (ET), or primary thrombocytosis, can cause serious bleeding or clotting complications. Taking medicine that keeps your platelet levels normal can help prevent this. After many years of having the disease, however, bone marrow fibrosis (scarring) can develop. A small percentage of people with essential thrombocythemia develop leukemia.
When should I see my healthcare provider?
Follow your provider’s instructions on how often you should be having checkups and getting blood tests to check your platelet count.
What questions should I ask my doctor?
Questions to ask include: Should I be concerned that my platelet levels are high? Will I need follow-up tests to check my platelets? What tests will I need to determine what’s causing my thrombocytosis? What treatments do you recommend? What lifestyle changes can I make to manage my condition? A note from Cleveland Clinic Don’t be alarmed if your blood work results show high platelet levels. Your platelets may be elevated for various reasons. Many causes don’t require treatment. If your levels remain high and you’re experiencing symptoms, your healthcare provider will work to determine the cause. Careful monitoring and medications can usually prevent the most concerning complications associated with thrombocytosis. Medically Reviewed Last reviewed by a Cleveland Clinic medical professional on 09/12/2022. Learn more about our editorial process.
Jun 17, 2022 · Right Care. Blood Conditions. High Platelets: Levels, Causes, Related Symptoms, and More. What it means. Typical levels. Symptoms. Seeking help. Causes. Diagnosis. Treatments. Complications. FAQs. Summary. Having high platelets means that the blood contains more platelets than is typically expected.
- When should you worry about a high platelet count?If you have had a blood test result that indicates a high platelet count, ask your doctor about the meaning of your results and about any precautio...
- Can stress cause high platelets?Yes, stress and anxiety can affect platelet counts and activity, leading to high platelets. This is relatively typical. If you are worried about th...
- Can high platelets make you tired?High platelets can make you feel tired or fatigued. This can happen due to thrombocythemia and thrombocytosis. Or, in cases of thrombocytosis, you...
- What kinds of infections cause high platelets?High platelets from thrombocytosis may be the result of a bacterial, viral, or fungal infection.
Mar 24, 2022 · What are thrombocythemia and thrombocytosis? Thrombocythemia and thrombocytosis are conditions that occur when your blood has a higher-than-normal platelet count. Platelets are tiny blood cells. They are made in your bone marrow along with other kinds of blood cells.
Jul 3, 2022 · July 3, 2022. DEAR MAYO CLINIC: I am 33 years old and recently had an annual physical and routine blood work. I'm active with two children and feel fantastic, but my platelet count came back as 651. My health care professional said it could indicate a blood cancer and referred me to a hematologist. What can cause my platelets to be so high?
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