10 Common High Platelet Count Symptoms

10 High Platelet Count Symptoms

An Overview:

Platelets plays an integral on our body system, specifically in blood clotting and the coagulation process. The three main parts that constitutes the blood, as we all know are red blood cells, white blood cells and the platelets. The latter, having one of the most important functionality in our blood regulatory system, it’s the smallest. Platelets stop bleeding by clumping and forming plugs in the site of injury. Apart from this, there are also other innumerable number of functions associated, controlled, and manipulated by these blood cells.

The platelets should normally be around the count of 150,000 to 450,000 per microliter of blood. There are certain times when we fail to monitor this count, especially when experiencing any medical condition that may have affected it, leading to a higher or lower count. In both these cases, the symptom can be highly reflected and can be observed with diagnostic procedures in detecting abnormal platelet count, so to come to a conclusion. Among the most common diagnostic care is regular monitoring of blood platelet count to help identify medical needs.


The medical disorder of having a high platelet count is termed as Thrombocytosis. In cases of acute Thrombocytosis, the platelet count even goes up to 750,000 per microliter of blood. This condition needs to be dealt with care and attention, to get a speedy recovery and prevent any further complication. There are several possible causes that could have elevated the platelet count. In many cases, the bone marrow may be involved so expect that it may be included in the diagnosis and treatment process.

All the symptoms below may not necessarily be a result of the increase in platelet count but with acute significance associated with the increase. The condition isn’t likely to cause symptoms, so a routine blood test will be significant. When the following signs and symptoms are observed to be associated with thrombocytosis, it should be attended with utmost importance.

High Platelet Count Symptoms:

The ten most common symptoms of high platelet count are detailed in the following list. The symptoms may be categorized accordingly.

Generalized Symptoms:

These are some general symptoms that are very common among people suffering from a high platelet count.

  • Headache
  • Weakness
  • Temporary vision changes
  • Feet and hand numbness


The following symptoms below are specifically some of the most notable elevated platelet count symptoms which would require immediate medical help:


This is a burning sensation and redness that can be observed on the patient’s extremities. But this is something that occur to a very small segment of people with a high platelet count. It is usually resolved with cooling and/or use of aspirin.

Abnormal Bleeding:

Bleeding is usually associated with having a low platelet count or thrombocytopenia, but it can also occur in patients with an elevated platelet count. This happens to people with a platelet count higher than 1 million platelets per microliter of blood. In such cases, blood clots due to thrombocytosis will cause the necessity to use up available platelets. This leaves the bloodstream to be insufficient of circulating platelets to seal off breaks on the blood vessel walls.

Signs of bleeding may be observed from the gums and mouth, which is a common sign. The bleeding becomes easy while clotting becomes inadequate. There are people with high platelet count who displays bleeding from their nose as well as experience easy bruising. The stool is also often accompanied with blood streaks. The color of the blood changes from red to dark red or even black.

Abnormal Blood Blotting:

Blood clots commonly develop in the hands, feet, and the brain. They can also form in different parts of the body, including the heart and intestines. Extreme cases leads to stroke.

The blood clotting is also one of the most common among the signs and symptoms of high platelet count. Some symptoms that results in association with abnormal blood clotting includes:

  • Dizziness
  • Nausea
  • Seizures

The patient may even experience difficulty in breathing, accompanied with pain in the arms and legs, neck and jaw. The pain also prolongs with time and may spread towards the abdomen.

Changes in Speech:

One sign of high platelet count is changes in speech or awareness. This may range from confusion to passing out. The patient tends to forget and make changes on his speeches. He easily forget things where sometimes, even short term memory seems affected. This can be a complication associated with the high platelet count due to abnormal blood clotting.

Easy Bleeding:

Easy bleeding can also be a life threatening consequences of severe high platelet count in blood. A simple cut can make the patient bleed like its endless. Abnormal blood clotting may be the main phenomenon with high platelet count, but as mentioned above, in other cases, abnormal bleeding may also be noticed. When it comes to a point where easy bleeding is evident, it becomes very difficult to control the blood loss, for this means the blood loses its capacity to control and hold the bleeding. Remember that excessive bleeding is a life-threatening condition.

Breathing Difficulty:

Breathing difficulty is a bit of a rare occurrence for most patients suffering from a high platelet count. But it can be dangerous if this problem persists for a long time. Since adequate breathing, needless to mention is of foremost importance, it should be given priority. When there is difficulty in the ability to breath, and may probably be accompanied by any other symptom of high platelet count, this signals the need for immediate intervention.

Accompanying Disease/s:

There are certain diseases that may be underlying a patient, along with the onset of high platelet count. This may be anemia, where circulating blood in the body is deficient of RBCs. A cancer can also result to a high platelet count. Certain other diseases like Myelodysplasia, Myelofibrosis, Polycythemia Vera, and Splenectomy are also associated. It can also be connected to the Kawasaki disease, wherein certain blood vessels inflame. Signs and symptoms due to these conditions may be found in a patient with thrombocytosis. Identifying any underlying medical condition that may have influenced disturbance in platelet function can help understand and identify proper treatment like to a patient who develops a high platelet count disorder.


Signs of infection that may arise due to even a small or insignificant cut in the body can be a vital condition that is possible in patients having a high platelet count in their blood. The onset of increased platelet count in the blood makes the body start to lose its power to produce sufficient antibodies to fight against possible infections. The immunity levels against bacterial or viral invasion is reduced where it’s likely that the resulting infection can become significantly large and give way to growth of underlying disease or new ones.

Loss of Consciousness:

Lost of consciousness can be one of the vivid problems associated with high platelet count in the blood. There manifests confusion in the minds of individuals suffering from a high platelet count. The possible confusion when not dealt with accordingly and prolonged may lead to the onset of memory loss, or other psychological problems.

Bleeding in the Mouth and Gums:

Mouth and gum bleeding, as mentioned above, may also be associated with high platelet count disorder. A person suffering from Thrombocytosis may find bleeding unusual for this happens only in severe cases of the medical condition. Mouth bleeding can lead to potentially deadly complications if not identified and treated in time, especially in cases of thrombocytosis where infection is a potential risk. High platelet count is a common disease and something that should also be treated with proper care and attention.


There goes all the common signs and symptoms that is associated with having thrombocytopenia or high platelet count in the human blood. Any of the above mentioned conditions that potentially occur may directly or indirectly be a resultant for having high platelet levels, or probably due to any other underlying medical condition. However, these are the prime symptoms that you can notice with regards to the high platelet count disorder.


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