10 Causes of Red Spots on Skin in 2023

Red spots on babies skin

With the changing weather, it is common to experience skin redness and itching owing to the rising temperatures and the summer heat. Most of them subside within a few days and do not cause pain. However, in some cases, the problem can become severe flare-up can occur. There can be multiple causes of these red spots on the skin. In this article, we have compiled the 10 most commonly occurring skin problems in 2023 which result in the appearance of red spots and patches.

  1. Heat rash

The most common cause of red spots on the skin is sweat production which clogs the skin’s pores. This trapped sweat within the skin gives rise to small blisters which turn into painful and itchy lumps. Areas more prone to be affected by a heat rash are the ones where the skin tissues get rubbed against each other e. g. armpits or the clothes rub with the skin e.g. near the neck. Using a calamine lotion or an anti-rash powder can help with this type of rash.

Red spots on babies skin

Heat rash affected skin

  1. Contact dermatitis

When the skin comes into contact with an allergen or an irritant, there is a chance that it can react with it. As a result, an allergic reaction starts which covers the skin with red patches. This condition is called contact dermatitis. Symptoms of contact dermatitis include the following:

  • Redness on the skin
  • Formation of patches and hives
  • Inflammation
  • Burning sensation
  • The crusty appearance of the skin
  • Oozing blister formation

Severe Contact dermatitis

Contact dermatitis

To treat contact dermatitis, the over-the-counter creams serve as the best option. Moreover, anti-histamine medications can also be used.

  1. Drug rash

If you are on medications and experience mild to severe skin rash, bumps, or patches, those drugs may be the cause of it. In this state, the best you can do is to contact your physician or pharmacist with the aim to change the drug.

  1. Shingles

Shingles, a viral infection, is a condition in which half side of the face or body gets covered with painful blisters. The causative agent is varicella zoster virus (VZV).



The symptoms include:

  • Itching and redness of the areas
  • Tingling sensation in the affected area
  • Formation of blisters

Although anti-viral medications are available in the market to treat shingles upon the doctor’s prescription, the CDC also recommends getting vaccinated against the virus to prevent the disease.

  1. Swimmer’s itch

Swimmer’s itch is a type of rash that is contracted by the water previously infected with a parasite that infects the snails and those, in turn, contaminates the ponds. Initial symptoms include redness of the skin, itching, as well as blistering.

Swimmer's itch

Swimmer’s itch

Although the condition is short-lived and subsides naturally, if the symptoms still remain after a week, an anti-itch cream or lotion can be applied to relieve the condition.

  1. Ringworm

Ringworm infection is a skin condition characterized by the presence of circular red rashes which cause itching and discomfort. The condition has a fungal cause and can be transmitted from one person to another i.e. is contagious. If this fungus affects the feet and groin, the conditions are called ‘Athlete’s foot’ and ‘Jock itch’ respectively. It is hard to treat a ringworm infection without medications so it becomes necessary to see your healthcare provider.

Ringworm infection

Ringworm infection

  1. Atopic dermatitis

Atopic dermatitis is the popping up of red itchy and painful rashes on the skin. It is a type of eczema so the patient has an appeal to scratch the affected area which can result in blistering and cracked skin. Atopic dermatitis does not have a parasitic causative agent but genetics or autoimmune problems can be associated with it. Babies are at risk of contracting atopic dermatitis which either goes away with age or persists throughout life. Atopic dermatitis can be managed by moisturizing the skin and applying medicated creams.

Atopic dermatitis

Atopic dermatitis

  1. Pityriasis rosea

Pityriasis rosea is a condition in which redness and inflammation of the skin occur possibly due to a viral infection. The red rashes, resembling the shape of a Christmas tree, appear on the skin. The areas prone to pityriasis include the abdomen, chest area, and back. These patches vary in diameter and thus can be divided into two categories:

  • Mother patches (the bigger ones)
  • Daughter patches (the smaller and scattered ones)

Pityriasis rosea

Pityriasis rosea

Itchy patches of pityriasis are also associated with:

  • Headache
  • Fever
  • Sore throat

Home-based remedies for pityriasis include:

  • Application of calamine lotion
  • Taking an oatmeal bath
  1. Psoriasis

Psoriasis is an autoimmune condition characterized by the scaling of skin along with the appearance of red spots. Researchers have attributed genetics and environmental factors as the causative agents for psoriasis. Symptoms of the condition include burning and itching in the affected area. For the treatment of psoriasis, medicated creams, and lotions can be applied to the skin. Moreover, light exposure therapy can also be tried.



  1. Lichen planus

A rare condition resulting in itchy red rashes on the skin is lichen planus. The rashes are reddish and purplish in color as well as bumpy and scaly in texture. Wrists, ankles, and back are frequently affected by lichen planus. Medical treatment is required to get rid of the condition.

Lichen planus

Lichen planus


The appearance of red patches on the skin is a common problem especially associated with hotter weather. There are multiple reasons for this condition to be caused which are, in most cases, not severe. However, if the situation worsens and the itching and redness do not subside after 7 to 8 days, it is better to take a medical opinion about it.

uzma e1714761913269

PhD Scholar (Pharmaceutics), MPhil (Pharmaceutics), Pharm D, B. Sc.

Uzma Zafar is a dedicated and highly motivated pharmaceutical professional currently pursuing her PhD in Pharmaceutics at the Punjab University College of Pharmacy, University of the Punjab. With a comprehensive academic and research background, Uzma has consistently excelled in her studies, securing first division throughout her educational journey.

Uzma’s passion for the pharmaceutical field is evident from her active engagement during her Doctor of Pharmacy (Pharm.D) program, where she not only mastered industrial techniques and clinical case studies but also delved into marketing strategies and management skills.

Throughout her career, Uzma has actively contributed to the pharmaceutical sciences, with specific research on suspension formulation and Hepatitis C risk factors and side effects. Additionally, Uzma has lent her expertise to review and fact-check articles for the Health Supply 770 blog, ensuring the accuracy and reliability of the information presented.

As she continues her PhD, expected to complete in 2025, Uzma is eager to contribute further to the field by combining her deep knowledge of pharmaceutics with real-world applications to meet global professional standards and challenges.