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Tuesday, October 3, 2023

What Causes Bruising for No Reason?

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What Causes Bruising for No Reason? Random bruising, which occurs when you receive bruises for no apparent cause, might be a concerning indicator that something is amiss with your health. Bruising is a typical response to pain or stress, but bruising that is mysterious or that occurs often without a known reason may need to be investigated further. Blood seeps into the tissues around when blood vessels close to the skin’s surface burst. A bruise is what this is. Typically, the stress of some type, such as bumping into something or being harmed, causes this to occur. 

What is the cause of bruising?

Random bruises are often nothing to be concerned about. You may be able to determine if there is a deeper cause if you keep a look out for other odd indicators.

By ensuring you consume enough of the essential nutrients, you may typically reduce your risk of bruising.

Continue reading to find out more about typical causes, warning signs, and when to consult a doctor.

Vigorous exercise

Exercise that is too intense might do more damage than just tired muscles. If you recently overdid yourself at the gym, you could notice that bruises are appearing around the wounded muscles.

Straining a muscle damages the muscular tissue deep beneath the skin. Blood may leak into the surrounding area as a consequence of blood vessels rupturing as a result of this. Blood might collect under your skin and cause a bruise if you are bleeding more often than normal for whatever reason. This might be quite painful.



If you take certain medicines, you can be more prone to bruising. More blood will leak out of your blood vessels and gather under your skin when it takes longer for it to clot. Your blood vessels are more permeable, which causes this to occur.

If you overdosed on a medication, you can also experience the following negative effects:

  • stomach bloating
  •  gas 
  • discomfort
  • Nausea
  •  Vomiting
  • diarrhea, and constipation

If you have any reason to think that taking an OTC or prescription medication is the root of your bruising, get medical attention. 

Lack of nutrients

In the blood, vitamins play a major role in a number of crucial activities. They promote a decrease in cholesterol levels, help to maintain mineral levels, and aid in the production of red blood cells.

For instance, vitamin C strengthens the immune system and hastens the recovery from injuries. If you don’t get enough vitamin C in your diet, your skin may become more prone to bruises, which might result in “random” bruising.

The following are other indications of a vitamin C shortage:

  • drowsiness weakness irritability
  • bleeding or swollen gums
  • You could discover that you bruise more easily if your diet is deficient in iron. This is because iron is necessary for your body to maintain healthy blood cells.

Your organs and tissues won’t be able to acquire the oxygen they need to perform their activities if your red blood cells are sick. Your skin could be more prone to bruising as a result of this.


  • Symptoms include lightheadedness, shortness of breath, a swollen or sore tongue include weariness, weakness, and headaches.
  • a feeling in your legs that feels like it’s crawling or tingling
  • a desire to eat things that are not considered to be food, such as ice, dirt, or clay; a cold in the hands or feet; a painful or swollen tongue.
  • Although they are very rare in people who are otherwise healthy, vitamin K deficiencies may slow the rate at which blood clots form. Blood does not clot as quickly as it should, which causes more blood to accumulate under the skin and lead to the development of a bruise.

Other indications of vitamin K deficiency include the following:

heavy periods, bleeding during periods, blood in the stool, bleeding from the gums or mouth, and significant blood loss from cuts or punctures

If you have any reason to think that a deficiency is to blame for the bruising you are experiencing, see a doctor. They will work with you to make dietary modifications and may also prescribe iron tablets or another medication to help you meet your nutritional needs.


Diabetes meter
Hand holding a blood glucose meter measuring blood sugar, the background is a stethoscope and chart file

Diabetes is a metabolic disease that makes it difficult for your body to produce or use insulin. Genetic factors may potentially contribute to diabetes.

Although diabetes may not directly cause bruises, it can delay the body’s normal healing process and prolong the duration of bruises.

If you haven’t already been given a diabetes diagnosis, keep an eye out for any new symptoms, such as the ones listed below:

  • increased drinking urge
  • increased desire for food and urine, as well as an unexplained weight loss
  • fuzzy vision discomfort in the hands and feet, including tingling, pain, or numbness

In addition to bruising, you should schedule a visit with a doctor as soon as you can if you have any of these symptoms. If necessary, they may provide a diagnosis and give you recommendations for your course of action.

If you have diabetes and have already received a diagnosis for the illness, your bruising can be brought on by the slow wound healing that diabetes causes. Additionally, it is possible to contract it if you inject insulin into your body or prick your skin to check your blood sugar.

Von Willebrand illness

Von Willebrand disease is a genetic condition that adversely affects your blood’s ability to clot.

Von Willebrand disease patients have had the condition from birth, albeit they could not show any symptoms for a very long time. The ailment that causes the bleeding lasts the whole of a person’s life.

The bleeding may be more severe or last longer than normal when blood does not clot as it should. Anytime this blood is pushed to pool just below the skin’s surface, a bruise will inevitably develop.

Even in reaction to relatively minor traumas, those with von Willebrand disease may have bruising that is especially widespread or lumpy.

Other signs and symptoms include:

  • substantial bleeding after injuries
  • Procedures
  • Surgeries

bleeding from the nose that lasts more than ten minutes, significant or persistent blood in the urine or stool, or large blood clots (larger than an inch in diameter) in your menstrual flow.

If you have any reason to think that von Willebrand’s disease is the source of your symptoms, get medical assistance.

6. A thrombophilic illness

When a person’s blood has a higher tendency to clot, it’s described as thrombophilia. When the body produces either an excessive or insufficient quantity of clotting chemicals, this condition develops.

Normally, thrombophilia does not exhibit any symptoms before a blood clot forms.

Cuts and bruises are more common in those who take blood thinners.

Less frequent reasons

Some people may have a connection between random bruising and one of the less common causes listed below.

7. Chemotherapy use

Cancer patients may have profuse bleeding and bruising. Thrombocytopenia, or a reduction in the number of platelets in your blood, may occur if you are taking chemotherapy or radiation therapies. Your blood will clot more slowly than normal if you are short on platelets. This suggests that even a little bump or accident might cause a large or lumpy bruise.

Vitamin deficiencies, which may affect the blood’s normal ability to coagulate, are common in cancer patients who also have trouble eating. People who have malignancies in the liver or other organs involved in blood production may also have abnormal clotting.

Frequently Asked Question

Does it happen often to get bruises for no reason?

The occasional bruise is usually nothing to worry about. But if the spot doesn’t get better after a few weeks, you should talk to a doctor. There may be a problem with how the blood clots or another problem that needs to be treated. Most of the time, the problem is caused by taking certain medicines or getting older.

When should I be worried about bruises that I don’t know how I got?

This is especially true if you also have other symptoms like unintentional weight loss, tiredness, or a low-grade fever.

What is missing that causes bruises?

Some vitamins may get more attention than vitamin K. But it is a very important part of how blood clots. If you don’t get enough vitamin K, you could get more bruises. Still, most healthy people get enough of this vitamin from foods like green leafy veggies.

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