What are the reasons for the appearance of red dots on the arm?

Do you know the causes of the red dots that have started to appear on your arm? Learn in the following article the reasons for the appearance of these spots and how to treat them.

What are the reasons for the appearance of red dots on the arm?

There are numerous causes for the development of red dots on the arm, with Keratosis pilaris (KP), also known as chicken skin disease (Chicken skin - CS), being the most prevalent. There are other causes as well, but they are less common.

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Causes of red dots on the arm

Several factors can cause red dots to appear on the arm, but the following are the most obvious ones:

1. Keratosis pilaris 

Keratosis Pilaris causes the appearance of prominent spots on the arm, and these points are in fact dead skin cells that close the hair follicles, and in some cases they may appear brown rather than red. This disease's symptoms include:

  • Dryness and roughness of the skin in the red dot areas.
  • There is no pain connected to the points.
  • Weather conditions that produce dry skin and high humidity make symptoms worse.
  • Due to the red dots that have emerged from the skin's surface, the affected skin resembles chicken skin.

2. Contact dermatitis 

This happens when the affected skin comes into contact with something to which it is allergic. The symptoms vary depending on the substance and how sensitive the skin is to it, but they typically include the following ones:

  • a rash with geometrical patterns.
  • Skin dryness and cracking.
  • the occurrence of red grain clusters.
  • intense burning and itching sensation.

3. Heat rash

Because of the buildup of sweat in the sweat glands, this condition results in their blockage, and its symptoms include the following:

  • the emergence of clusters of tiny, red bumps.
  • They create pronounced, skin-color-coordinated points.
  • Feeling itching and tingling.
  • In the impacted area, sweating has stopped or drastically decreased.
  • Vertigo .
  • Nausea.

4. Eczema

It is characterised as a chronic dermatitis with the following signs and symptoms:

  • Blisters that are dry and scaly on the skin's surface.
  • severe itching
  • Skin dryness and cracking.

5. Smallpox and shingles

They are two skin conditions brought on by the varicella-zoster virus (VZV), and one of their symptoms is the development of blisters with the following characteristics:

  • flushing
  • itching
  • Filling with fluid.

6. Rubella

Red dots start to appear on the arm and other parts of the body as a result of a viral infection. These are tiny dots that might be pink in colour. Other symptoms include the following:

  • High temperatures.
  • Headache.
  • Lymph node swelling.

7. Meningitis

This inflammatory disease that affects the membranes that cover the brain and spinal cord may be accompanied by a rash that causes the appearance of red or other colored dots on the skin, and these dots disappear with recovery. Additional signs of this illness include:

  • High temperatures.
  • neck stiffness

MRSA, also known as methicillin-resistant Staphylococcus aureus,

When this bacterial infection affects the skin, the following symptoms appear:

  • skin irritation
  • Skin in the affected area is in pain.
  • High temperatures.

9. Scarlet fever - SF

Symptoms of this bacterial disease include the appearance of rough red dots on various parts of the body, including the arms. Other signs of it include:

  • High temperatures.
  • Throat pain and redness.
  • Headache.

Complications form red dots on the arm

Depending on the cause, red dots on the arm may develop complications. In general, to prevent complications from occurring, medical treatment must be resorted to as soon as spots appear and treatment instructions must be followed carefully.

Treatment of red dots on the arm

Here is a brief summary of the treatment of some of its causes, which varies depending on the cause that results in the appearance of dots:

  • Although there is no known treatment for keratosis pilaris, there are a number of approaches that may help manage the condition's symptoms, most notably topical peels and lasers.
  • Contact dermatitis: Antihistamines are typically used to treat this inflammation, but the method depends on what triggered the allergic reaction.
  • Heat rash: Most of the time, this rash goes away on its own. Creams that soothe the skin are also used to treat symptoms.
  • Eczema: There are many ways to treat this condition, but avoiding its triggers and taking medication are the two most crucial ones.
  • Because they are both caused by the same virus, antiviral medications are used to treat smallpox and shingles.
  • German measles: Since there is no specific treatment for this ailment, painkillers are typically employed.
  • In addition to other medications, intravenous antibiotics are used to treat the infection known as asbestosis.
  • Methicillin-resistant Staphylococcus aureus: This infection is treated by cleaning the blisters after opening them and removing fluids from them. It might also be treated with antibiotics.
  • Antibiotics are used in the treatment of scarlet fever.

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