If you have red dots on skin, it can naturally cause you to worry. Red dots are quite common because they can relate to so many different things.

Of course, those that have red dots appear on the skin will be concerned if they have no idea what the cause is.

However, familiarizing yourself with the causes of red dots can help you to get a better idea of what may be causing them.

If you have no idea what has caused red dots on skin, it is important to seek advice from your doctor if the dots do not subside naturally.Depending on the type of red mark, it could be anything from a sting or a common skin condition to a sign of cancer.This is why you need to make sure you get any persistent red marks checked out by a medical professional.

Some Causes Of Red Dots On The Skin

There are various possible causes of red dots on skin. So, let’s take a look at some of the common potential causes of these spots:


If you have red dots on skin in the form of pimples, this could be the onset of acne. With acne, you get red pimples, oily skin, whiteheads, blackheads, and scarring.

This is caused by the skin getting clogged by dead skin and oil, which can block the hair follicles. Treatments for this condition can vary based on how severe the acne is.


This skin condition causes the skin to develop red patches, and it is a common problem that affects many people.

The symptoms are similar to other skin complaints such as acne and eczema. Treatment can consist of both prescription treatment and skin products.

Tinea Versicolor

With this condition, the red dots on skin are caused by a fungal infection stemming from yeast in the skin.

There are various factors that can increase the risk of developing this problem including heavy sweating, weak immunity, and having oily skin.

Infections Of Hair Follicles

Hair follicles on the skin can become easily clogged and inflamed. Bacteria, yeast, and fungi can result in the follicles becoming inflamed, and this can then lead to red dots on the skin.

There are many things that can increase the risk of this happening such as wearing certain materials, shaving, and even wearing makeup.


This condition can result in red dots on skin in areas such as the stomach, arms, legs, and buttocks as well as parts of the face.

The cause of the redness is the breakage of small blood vessels called capillaries, which result in blood leaking into the skin.This problem can be caused by various factors. This includes the use of certain medicines and infections.


When you have hives, you will notice red bumps that are quite pale but very noticeable. They can appear very quickly and can be the result of a reaction to something.

These dots are raised and seem inflamed. They can often be caused by infections, certain illnesses, or the use of certain medicines.


While this condition is not actually a skin problem in itself, it can take its toll on the skin. When you have this autoimmune condition, it can lead to rashes on the skin so you may notice lots of red dots on the skin.

Ultimately, in severe cases of this condition, it can lead to vital organs becoming damaged.


This is a viral infection that is very common, and it is caused by chickenpox affecting the body for the second time.

The condition takes the form of a rash that can be quite painful and oozes liquid. It then crusts over so it can be very unpleasant and uncomfortable.

You can get creams and medication that can help to ease the inflammation.


This refers to cancer of the lymphatic system, which is the system that enables the white blood cells to fight infections and diseases.

This condition can affect various bodily areas which include the skin. Often, one of the symptoms of the condition is a rash on the skin.

Cherry Angiomas

These skin growths tend to affect people that are aged thirty or over, and they take the form of red moles and dots on the skin.

They can affect many parts of the body, and the redness is further enhanced by blood vessels.

While the exact cause of the condition is something of a gray area, experts do believe that it could be linked to exposure to chemicals, certain medical problems, and being pregnant.

Basal Cell Carcinoma

This is the most common variation of skin related cancer. A wide variety of factors including exposure to UV light, radiation exposure or therapy, and weakness of the immune system can cause the disease.

This is another condition that can result in red dots on the skin, which is why you need to have an unknown red spot checked out sooner rather than later.

Squamous Cell Carcinoma

This is another common form of skin cancer, and it is often the result of exposing your skin to the harmful rays of the sun too much or for long periods.

This can also show itself in the form or red or brown patches and dots on the skin.


This condition is another serious one that can be caused by overexposing yourself to the potentially harmful rays of the sun.

This can then lead to DNA damage, which causes the condition. In addition, genetics can also play a part in the onset of melanoma.

In order to determine whether the condition is present, a biopsy is generally performed.

Bites From Insects

Of course, it is important to remember that red dots on the skin could be the result of something very simple such as bites from insects such as mosquitoes.

Every year, millions of people are bitten by insects, and this can cause a reaction that takes the form of red dots and bumps that itch.There are various insects that can bite including wasps, fleas, ants, and spiders amongst others.


Sebaceous cysts and cysts that occur on the skin and these can affect various parts of the body.

They can be caused by a number of different factors, including hair follicles becoming clogged, hormones, or injuries that become infected.

These show themselves in the form of bumps and lumps that are filled with fluid.


Warts can also appear in various parts of the body, and these are infections that are linked to Human Papillomavirus.

They do not always need to be removed, and in some cases, treatments such as laser therapy, skin peels, and creams can be used to treat them.


One more thing to consider is that red dots on the skin could simply be birthmarks.

Of course, these marks do not suddenly appear, but they may become more noticeable to you as you get older, which may make you wonder whether they were there or along or whether they just appeared.

Prickly Heat

When you get really warm, you may develop prickly heat which can be very unpleasant and sore.

man on the desert under the sun

Source: freepik.com

This can take the form of raised pimples and red dots on the skin, and it can become very itchy, sore, and dry.There are treatments that you can get from your doctor or even over the counter to help relieve the itching and discomfort.


You can have allergic reactions to all sorts of things, and these can show themselves in different ways.

One of the symptoms that may relate to a reaction to something is red dots or spots on the skin.

Of course, this does depend on the type of product you have reacted to, but there are some allergic reactions that will result in this type of symptom.

Taking Early Action If You Notice Red Dots On Your Skin

As you can see, there are various different factors and conditions that can result in red dots appearing on the skin.Some are pretty harmless conditions and issues that can be easily resolved. However, some are far more serious.

Seek Advice from Experts

This is why it is important to seek advice from experts if you have red dots appear that you cannot explain.

While the cause of the spots may be something harmless, it is far better to find out early on than to let the problem fester and let a potentially serious issue spiral out of control. Taking early action means the problem can be identified and treated without unnecessary delays.

A Thorough Examination to know the Problem

When you see a medical professional about the red dots, he or she will be able to carry out a thorough examination to get a better idea of what is causing the problem.In some cases, a biopsy or other tests may need to be carried out for the exact cause to be determined.Once the doctor or medical professional has identified the cause of the red dots, suitable treatment can then be arranged accordingly.

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