Skin Diseases: Types, Symptoms, Diagnosis, Treatment and Diet

The skin is the largest organ in the body and it helps to protect our bodies from harmful substances. It also helps to regulate body temperature, prevents infection and controls moisture. The skin is made up of 3 layers: epidermis, dermis and subcutaneous tissue.

Skin disease is the most prevalent health problem in the world. It is estimated that more than one billion people are affected by skin disease. Skin diseases can be caused by external factors like climate and pollution or internal factors such as allergies, autoimmune disorders or infections.

Skin diseases are a common issue that many people suffer from. The most common skin diseases include eczema, acne, psoriasis and rosacea.

Skin diseases are the most common type of skin disorder. They can be caused by many factors such as environmental pollution, hereditary, and age-related.

Skin cancer is the most common type of cancer in the United States. It is caused by exposure to ultraviolet radiation from the sun or tanning beds which damages cells in the skin leading to a malignant tumor or melanoma.

What is a Skin Disease?

Skin diseases are a group of conditions that can cause problems with the skin. Skin diseases are not all the same. Some skin diseases are more serious than others and may require more medical attention. Skin cancer is an example of a serious skin disease that can cause harm to the body if left untreated.

Skin diseases are classified into three groups:

Infectious Diseases: These include skin infections, such as syphilis, herpes, and chickenpox.

Inflammatory Diseases: These include skin conditions such as psoriasis, eczema, and acne.

Neoplastic Diseases: These include cancerous tumors or other abnormal growths on the skin.

What are the Types of Skin Diseases?

Skin diseases are classified into two types:

  • Non-infectious skin diseases: Non-infectious skin diseases are those that do not spread from person to person, while infectious ones do. Non-infectious skin diseases include dermatitis, ichthyosis, and psoriasis.
  • Infectious Skin diseases: Infectious skin diseases like eczema, psoriasis, acne, and rosacea are non-infectious while chickenpox is an example of an infectious skin disease. They include also leprosy, malaria, and syphilis among others.

1. Acne

Acne is a skin disease that can be treated by dermatologists. It affects the oil glands in the skin and causes pimples, blackheads, whiteheads, and red bumps to appear on the skin.

2. Psoriasis

Psoriasis is a skin disease that causes the skin to itch, scaly, and red. It is a chronic condition that can be treated but not cured.

Psoriasis is a chronic skin disease that affects the scalp and body. The cause of psoriasis is unknown, but it has been suggested that genetics and immune system deficiencies may play a role in its development.

Psoriasis affects more than 3 million Americans and is the most common autoimmune skin condition in the United States.

3. Eczema

It is a skin condition that causes itchy, red, and dry skin. It can leave your skin with large patches of dry, flaky, or thickened skin.

Eczema is a chronic inflammatory disease of the dermis. There are many types of eczema that can cause the same symptoms. The most common type of eczema is known as atopic dermatitis which affects approximately 10% to 20% of people in the United States.

There are many different treatments for eczema including topical creams, oral medications, and immunosuppressant therapies such as corticosteroids and antihistamines.

4. Chromhidrosis

Chromhidrosis is a condition in which sweat and sebum combine, resulting in the skin to become itchy, red, and painful. It is caused by a malfunctioning of the sweat glands. The color of the shade can vary from person to person.

5. Rosacea

It is a skin condition that affects the face and can cause redness, bumps, pimples, and flushing especially on face.

Rosacea is a chronic skin problem that can be difficult to treat. It often starts with an outbreak of redness on the cheeks or nose and gradually spreads to affect the entire face.

Rosacea may be hereditary, but it can also develop for no apparent reason. It has been associated with certain medications such as Accutane (isotretinoin) and birth control pills.

6. Skin cancer

Skin cancer can be defined as a type of cancer that starts in the skin. It is the most common form of cancer in the United States. Skin cancers are often treated with surgery, chemotherapy, radiation therapy, and targeted therapy.

Skin cancer is a serious disease that can be fatal if not treated properly. It is important to take precautions to prevent skin cancer. The risk factors are exposure to ultraviolet radiation and melanoma.

Skin diseases are a group of conditions that affect the skin and its surrounding tissue and usually cause pain, itching or changes in color or appearance.

7. Vitiligo

Vitiligo is a skin disorder that causes the loss of pigment in the skin, which leads to white patches. The disease can affect any part of the body but is most commonly found on the face and hands.

What are the Causes of Skin Diseases?

Skin diseases are a common problem in the modern world. There are many different types of skin diseases, including acne, eczema and psoriasis.

Skin diseases are caused by a combination of factors, including genetics and environmental factors such as exposure to UV rays or bacteria. Some skin diseases can also be caused by:

  • Allergic reactions or bacterial infections
  • Viruses
  • Fungus
  • Parasites
  • Genetics
  • Medications
  • Environment
  • Contact with skin diseased person
  • Sun
  • Diabetes

There are a number of different ways to prevent the development of skin diseases. They include:

  • Avoiding harsh chemicals on your skin,
  • Wearing sunscreen to protect from UV rays and
  • Washing your hands regularly with soap and water.


The symptoms of skin diseases vary depending on the type of skin disease. Some common symptoms include dryness, itching, redness, and pain.

The most common skin diseases are:

  • Acne and eczema
  • Dry skin
  • Scaly skin
  • Red and white pus containing bumps
  • Abnormal pigmentation


Diagnosis of skin disease starts with a thorough medical history and physical examination. The doctor will ask questions about when symptoms began, what they look like, how long they last, and if there have been any changes in appearance or location on the body. They will also ask about known risk factors for certain skin diseases such as exposure to sunlight or chemicals at work.

The symptoms of acne include blackheads, whiteheads, and pimples that are red and inflamed. Acne can be difficult to diagnose because it can have many different causes. Some people may also develop acne as a side effect of certain medications or treatments for other conditions such as rosacea or psoriasis.

There are multiple ways to diagnose acne including looking at the skin for abnormal cells, examining the skin for signs of inflammation, measuring levels of sebum on the skin with a sebumeter, and determining how much P. acnes bacteria is on the skin with a bacterial culture test.

A diagnosis is usually confirmed by taking a sample of tissue from the affected area (biopsy) or examining fluid under a microscope (microscopic exam).

Skin diseases are diagnosed based on the appearance of the skin and the symptoms that a patient is experiencing.


Medication is the most common form of treatment for skin diseases. The medication can be topical or oral. Patients with skin disease can be given topical cream or oral medication depending on the severity of their skin condition. The topical cream and oral medication help in relieving the symptoms of the skin disease and discourage any further irritation.

The treatment for skin diseases can include:

  • Topical Medication: Topical medications are applied on the affected area and helps to relieve the itchiness and redness of the skin. Topical medications include antibiotics, corticosteroids, coal tar and antifungals.
  • Oral Medication: Oral medications are taken by mouth. It can be given by a doctor if the skin condition is severe. The oral medication will help in relieving the symptoms of skin disease. Oral medications include antibiotics and corticosteroids.
  • Phototherapy: It is a type of treatment that uses light to treat skin diseases like psoriasis and eczema. It involves exposing the patient to ultraviolet light in a controlled environment such as a hospital or clinic under medical supervision.
  • Surgery: It may be required in some cases where there is extensive damage to the skin such as from severe burns or trauma.


Healthy diet is essential for a healthy skin. Dieting is not only about losing weight but also about improving the quality of your skin.

It is important to have a balanced diet in order to maintain the health of your skin. A healthy diet can provide you with all the nutrients that you need and will make sure that your skin stays healthy and beautiful.

A few good tips for a healthy diet are:

  • Eat lots of fruits and vegetables
  • Drink plenty of water
  • Avoid processed food
  • Don’t drink alcohol
  • Take vitamins
  • Avoid too much sugar and salt.

Learn more about 7 Best Vitamins for Anti-Aging.

Foods to be taken

There are different types of skin diseases. The most common ones are acne, eczema, psoriasis, and rosacea. The foods that should be taken for these skin diseases are as follows:

  • Vitamin A is needed to heal the skin from acne.
  • Zinc can help in healing eczema and psoriasis.
  • Vitamin C is needed for rosacea treatment.
  • Omega 3 fatty acids should be taken to prevent the occurrence of acne.
  • Omega 6 fatty acids should be taken to reduce the amount of eczema and psoriasis.


Skin diseases are a type of disease that affect the outermost layer of your skin. They can be caused by different factors, such as bacteria, fungi, viruses, or parasites. There are many different types of skin diseases that vary in severity and symptoms.

Some skin conditions may be harmless and cause no serious discomfort, but others can cause distressful symptoms.

It’s important to remember that no one has to deal with their skin problems alone. Teaming up with a dermatologist can ensure you get a correct diagnosis as well as the best treatment plan.