Red spots on the skin can be a symptom of various skin diseases and conditions ranging from minor irritations to more serious problems. It is important to pay attention to these spots and seek medical attention if they persist or are accompanied by other symptoms. In this article, we will explore 25 possible diseases that can cause red spots on the skin, as well as their characteristic symptoms.
1. Dermatitis
Dermatitis is an inflammation of the skin that can cause red spots, itching, swelling and peeling. It can be caused by allergies, irritants or genetic factors.
Symptoms:
- Red spots on the skin
- Intense itching
- Dry skin and peeling
2. Psoriasis
Psoriasis is a chronic skin disease that causes red, scaly patches to form on the skin. These patches can be painful and itchy.
Symptoms:
- Red, scaly patches on the skin
- Swollen, itchy skin
- They can appear on elbows, knees, scalp, etc.
3. Rosacea
Rosacea is a chronic skin condition that primarily affects the face. It may cause redness, visible blood vessels, and small red bumps on the skin.
Symptoms:
- Facial redness
- Visible blood vessels
- Red bumps on the skin
4. Lupus erythematosus
Lupus erythematosus is an autoimmune disease that can affect the skin, joints, and other organs. It can cause red rashes on the skin that worsen with sun exposure.
Symptoms:
- Red rashes on the skin, especially in sun-exposed areas
- Joint pain
- Fatigue and general malaise
5. Eczema
Eczema is a skin condition that can cause red spots, inflammation and severe itching. It can be triggered by allergies, irritants or genetic factors.
Symptoms:
- Red spots on the skin
- Intense itching
- Dry skin and peeling
6. Lichen planus
Lichen planus is an inflammatory disease that affects the skin, nails and oral mucosa. It can cause red, purple, or purplish spots on the skin with angular shapes.
Symptoms:
- Red, purple, or purplish spots on the skin
- Intense itching
- They may appear in the form of lines or striations
7. Seborrheic dermatitis
Seborrheic dermatitis is a common skin condition that causes redness, peeling, and itching, especially in oily areas such as the scalp.
Symptoms:
- Redness and peeling of the skin
- Intense itching
- May affect the scalp, face and parts of the body
8 . Allergic reaction
Allergic reactions can cause red spots on the skin, hives, and general redness. They can be triggered by foods, medications, insect bites, among other factors.
Symptoms:
- Red spots on the skin
- Hives (hives ) and redness
- Itching and burning sensation
9. Chickenpox
Chickenpox is a common viral infection in childhood that causes red spots on the skin that turn into fluid-filled blisters. It may be accompanied by fever and general malaise.
Symptoms:
- Red spots that turn into blisters
- Fever and general malaise
- Intense itching
10. Scarlet fever
Scarlet fever is a bacterial infection that causes red spots on the skin, especially on the trunk and extremities. It may be accompanied by a sore throat, fever, and facial redness.
Symptoms:
- Red spots on the skin that feel rough to the touch
- Sore throat and fever
- White tongue with small red dots (strawberry tongue)
11. Measles
Measles is a highly contagious viral infection that causes red spots on the skin, fever and respiratory symptoms. It spreads easily through respiratory droplets.
Symptoms:
- Red spots on the skin that start on the face and spread to the body
- High fever
- Cough, runny nose and red eyes
12. Idiopathic thrombocytopenic purpura
Idiopathic thrombocytopenic purpura is a blood clotting disorder that causes red spots on the skin due to a decrease in platelets. It can cause easy bleeding and purpura.
Symptoms:
- Red spots on the skin (petechiae and ecchymoses)
- Easy bleeding, bleeding nose or gums
- Tiredness and weakness
13. Henoch-Schönlein purpura
Henoch-Schönlein purpura is a vasculitis that mainly affects children and presents red spots on the skin, joint pain and gastrointestinal problems.
Symptoms :
- Red spots on the skin that turn into bruises
- Pain in the joints and abdomen
- Vomiting and blood in the stool
14. Erythema multiforme
Erythema multiforme is an acute skin reaction that causes red spots on the skin, blisters, and ulcers. It can be triggered by infections, medications or genetic factors.
Symptoms:
- Red target-shaped spots on the skin
- Blisters and ulcers on the skin. the skin and mucous membranes
- Fever and general malaise
15. Erythema infectiosum (fifth disease)
Erythema infectiosum is a common viral infection in children that causes red spots on the skin often in a "slap" shape. Mild fever and malaise may occur.
Symptoms:
- Red spots on the cheeks that look like slaps
- Red rash on the arms, legs and trunk
- It may be accompanied by fever and malaise
16. Kawasaki Disease
Kawasaki disease is an inflammatory condition that primarily affects children and can cause persistent fever, red spots on the skin, and heart problems.
Symptoms:
- Red spots on the skin, especially on the trunk and extremities
- High and persistent fever
- Heart problems such as arterial aneurysms
17. Cellulitis
Cellulitis is a bacterial skin infection that can cause redness, swelling, and tenderness in the affected area. It can spread quickly if not treated properly.
Symptoms:
- Redness and warmth of the skin
- Swelling and tenderness in the affected area
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- It may be accompanied by fever and general malaise
18. Leukemia
Leukemia is a type of cancer that affects white blood cells and can cause red spots on the skin, easy bruising, and persistent tiredness. It can manifest with other systemic and hematological symptoms.Symptoms:
- Red spots on the skin (petechiae and ecchymoses)
- Easy bruising and recurrent bleeding
- Extreme tiredness and weakness
19. Lyme Disease
Lyme disease is an infection caused by the bite of ticks infected with the bacteria Borrelia burgdorferi. May cause a target-shaped rash and flu-like symptoms.
Symptoms:
- Target-shaped rash around the bite
- Fever, chills and muscle pain
- It can affect the joints, heart and nervous system
20. Dermatitis herpetiformis
Dermatitis herpetiformis is a chronic skin condition related to celiac disease that causes red spots and itchy blisters on the skin. It is an autoimmune disease.
Symptoms:
- Red spots and blisters on the skin, especially on the elbows, knees and buttocks
- Intense itching and sensation burning
- May be associated with celiac disease
21. Molluscum contagiosum
Moluscum contagiosum is a viral skin infection that causes small, round, firm bumps. It can cause red spots around the lesions.
Symptoms:
- Small round bumps on the skin
- Red spots around the lesions
- They may be itchy or irritated
22. Skin cancer
Skin cancer can present as red spots, irregular moles, or lesions that do not heal. It is important to perform periodic skin checks to detect possible signs of malignancy.
Symptoms:
- Red spots that do not heal
- Changes in shape , size or color of existing moles
- May be accompanied by bleeding, itching or pain
23. Erythroderma
Erythroderma is a serious skin condition that causes widespread redness and peeling of the skin. It can be secondary to various underlying diseases.
Symptoms:
- Generalized redness of the skin
- Intense peeling and skin sensitivity
- It may be accompanied by fever, malaise and systemic symptoms
24. Vasculitis
Vasculitis is an inflammation of the blood vessels that can cause red spots on the skin, pain, numbness, and other symptoms depending on the organs affected. It may be primary or secondary to other diseases.
Symptoms:
- Red spots on the skin that may be painful or itchy
- Numbness, tingling or tenderness in extremities
- May affect internal organs and organ systems
25. Mastocytosis
Mastocytosis is a disorder characterized by an excess of mast cells in the skin and other tissues. It may cause red spots on the skin, itching, swelling, and allergic reactions.
Symptoms:
- Red or brown spots on the skin
- Intense itching and skin sensitivity
- Can trigger episodes of anaphylaxis
It is important to remember that the presence of red spots on the skin can be a sign of various diseases and conditions, so It is always advisable to seek medical attention if they occur persistently or are accompanied by other worrying symptoms. Accurate diagnosis and timely treatment are key to properly addressing any skin problem and ensuring dermatological health and well-being.