Difference Between Seborrheic Dermatitis and Rosacea

Among the crucial process that takes place in the body, Inflammation is one of them. When a foreign intruder is recognized by the body then a response is sent out by the immune system to drive out pathogens. A response to promote healing around the area of damaged tissue is also sent by it.  

This response from the system of immune called inflammation. Among the inflammatory skin disorders, seborrheic dermatitis and rosacea are two of them which generally cause lesions, itching, and redness. In this article, the main focus is on highlighting the differences between seborrheic dermatitis and rosacea. 

Seborrheic Dermatitis vs Rosacea

The main difference between seborrheic dermatitis and rosacea is that seborrheic dermatitis is a skin condition mainly on the scalp that causes scaly patches and red skin. On the other hand, rosacea is a condition on the face that causes often red, small, pus-filled bumps and redness. 

Seborrheic Dermatitis vs Rosacea

Seborrheic dermatitis generally causes the body’s no serious harm, including the hair. Seborrheic dermatitis appears on the scalp and the body’s other parts as flaky, red, itchy, and dry skin and is common but non-contagious. Its presence does not refer that the skin is infected or unclean. 

Rosacea is a skin condition that usually and causes flushing or blushing and visible blood vessels on the face. It might also produce pus-filled and small bumps. These signs might for weeks to months flare up, and then for a while go away. It can be mistaken for other natural ruddiness or skin problems. 

Comparison Table Between Seborrheic Dermatitis and Rosacea 

Parameters of ComparisonSeborrheic DermatitisRosacea 
InterpretationIt is a skin condition mainly on the scalp that causes scaly patches and red skin.It is a condition on the face that causes often red, small, pus-filled bumps and redness. 
Also calledSebborhoeic eczemaAcne rosacea
MedicationsAntifungal and keratolyticDoxycycline
Nutritional causesLack of vitamins like B6, A, and B12Lack of zinc
Steriods treatmentRecommendedNot recommended

What is Seborrheic Dermatitis?  

Seborrheic dermatitis is an easy to manage, non-contagious, and common skin condition. It is a kind of dermatitis which causes greasy scales and itchy red patches generally on skin with yellow or white crusty or powdery flakes on the scalp. It is a lifelong condition that appears and from time to time it flares up.  

Seborrheic dermatitis can also occur in the body’s other areas. The area can be with the most sebaceous or simply oil gland activity such as the chest, upper back, creases present at the base of the nose, navel or belly button, forehead, under the breasts, behind ears, and in the creases of legs, arms, and groin.  

“Seborrheic” generally refers to the glands of the sebaceous, whereas “derm” stands for the skin. It is called pityriasis capitis or simply dandruff when it is on the scalp of an adult or teenager. On a baby, it is known as cradle cap. Approximately 11% of the population suffers from seborrheic dermatitis.  

A person born with skin that is naturally oily is more likely to get infected with seborrheic dermatitis. Psoriasis history in the family makes them vulnerable as well. The person living in a cold or dry region does not cause this kind of dermatitis, whereas it does make this worse. 

What is Rosacea? 

Among chronic inflammatory skin conditions, rosacea is one of them which generally affects the face. It might be mistaken for eczema, acne, or allergic skin reaction. The chief symptoms of rosacea are irritated skin, pimples, and facial flushing. Other symptoms consist of easily blushing and eye problems.  

Around 1-20% of the population is commonly affected by rosacea. When people have rosacea they frequently receive the diagnosis in the wrong way, so the true incidence might be a lot higher. Currently, there is no specific cure for rosacea, but its symptoms can be generally treated by creams and medications.  

The symptoms of rosacea can be worse in case of sun exposure. Some beverages and foods can also worsen the symptoms of rosacea, like spicy foods, alcohol, dairy products, and caffeine. Compared to males, rosacea is more frequently common in females.  

From person to person, the signs of rosacea can vary considerably. People with lighter skin are more common to suffer from rosacea. However, in these skin tones, it is easier to notice the rosacea’s symptoms. For many people, rosacea symptoms can be affected by dietary factors. 

Main Differences Between Seborrheic Dermatitis and Rosacea 

  1. When it comes to clinical presentation, seborrheic dermatitis has a burning and itching sensation of the affected area. In contrast, rosacea has flushing and redness of the skin.  
  2. The common causes of seborrheic dermatitis are hormonal imbalance and cold stress. The key cause is Malassezia’s fungal strains. Conversely, the main cause for rosacea is certain drinks and foods like alcohol, coffee, and histamine containing histamines.   
  3. Treatment for seborrheic dermatitis consists of self-care as well as medicated lotions, creams, and shampoos. On the other hand, treatments like anti-acne medication or antibiotics can reduce and control symptoms of rosacea.  
  4. The body’s oily area is mainly affected by seborrheic dermatitis-like back, upper chest, and face. On the contrary, fair skin women with middle-aged are generally affected by rosacea.  
  5. In terms of categorization, seborrheic dermatitis cannot be categorized. On the flip side, rosacea can be categorized into phymatous, erythematotelangietatic ocular, and papulopustular rosacea. 

Conclusion 

It can be concluded that among the inflammatory skin disorders, seborrheic dermatitis and rosacea are two of them which generally cause lesions, itching, and redness. Seborrheic dermatitis is also called seborrheic eczema, while rosacea is also called acne rosacea. The medications included in seborrheic dermatitis are antifungal and keratolytic, whereas doxycycline is the medication of rosacea.  

Seborrheic dermatitis appears on the scalp and the body’s other parts as flaky, red, itchy, and dry skin. Rosacea causes flushing or blushing and visible blood vessels on the face. Lack of vitamins like B6, A, and B12 is the nutritional cause for seborrheic dermatitis. In contrast, lack of zinc is the nutritional cause for rosacea. 

References  

  1. http://www.rma.gov.au/assets/Other/5cea066608/085-3-Reference-list-seborrhoeic-dermatitis-085-3-as-at-13-2-13.pdf
  2. https://www.nejm.org/doi/full/10.1056/nejmcp042829
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