Skin Diseases That Start With I

Skin Diseases That Start With I

Let’s discover the skin diseases that start with I in our post today.

The skin is a vital organ that serves as a protective barrier between our internal organs and the external environment. Unfortunately, this barrier is not always sufficient in preventing the development of skin diseases. These conditions can range from minor irritations and rashes to chronic conditions that can drastically reduce a person’s quality of life. Some common skin diseases include acne, hives, psoriasis, and rosacea, among many others. Treatment options for these conditions vary based on the underlying cause and severity of the disease.

My approach to compiling a comprehensive list of skin diseases involved researching thoroughly and putting together a list of conditions that started with each letter of the alphabet. This approach guaranteed that all possible skin diseases were identified.

So, let’s begin exploring this list of skin diseases starting with I!

25 Skin Diseases That Start With I

And here’s the list of skin diseases that begin with I letter.


Isthmicoma is a rare skin disorder characterized by the development of a benign tumor in the isthmus region of the hair follicle. It typically presents as a yellow or reddish nodule on the skin, and may be accompanied by itching or tenderness. The condition is more commonly observed in adults, and can be managed through surgical excision.

Id reaction

Id reaction is a type of dermatitis that occurs in response to a distant inflammation or infection elsewhere in the body. It is characterized by small, itchy blisters that can appear anywhere on the skin, but are most commonly found on the hands and feet. The condition is treatable with topical corticosteroids.

Immune dysfunction

Immune dysfunction refers to a breakdown in the normal functioning of the immune system, which can lead to a wide range of dermatologic disorders. Common skin conditions associated with immune dysfunction include psoriasis, eczema, and lupus. Treatment typically involves medications that suppress the immune response.

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IgA pemphigus

IgA pemphigus is a rare autoimmune disorder that causes blistering of the skin and mucous membranes. It is characterized by the formation of IgA antibodies that attack the intercellular cement that holds skin cells together. The condition typically presents as painful blisters on the face, scalp, and trunk, and can be managed with corticosteroids and immunosuppressive drugs.

Ichthyosiform sarcoidosis

Ichthyosiform sarcoidosis is a rare subtype of sarcoidosis, a condition that causes inflammation and granuloma formation in various organs of the body. In the cutaneous form, it presents as scaly, red plaques on the skin that resemble ichthyosis vulgaris. Treatment may include corticosteroids and other immunomodulatory agents.

Ichthyosis hystrix

Ichthyosis hystrix is a group of rare genetic disorders characterized by thick, scaly patches of skin that resemble the quills of a porcupine. The condition may be inherited in an autosomal dominant or recessive pattern, and can be associated with other medical problems. Treatment involves topical emollients and keratolytics.

Infantile acne

Infantile acne is a common skin condition that affects newborns and infants, and presents with small red bumps and pustules on the face and torso. The condition is usually self-limiting and resolves with time, but topical antibiotics and anti-inflammatory agents may be used in severe cases.

Infectious mononucleosis

Infectious mononucleosis, also known as mono or the “kissing disease,” is a viral infection caused by the Epstein-Barr virus. It is characterized by symptoms such as fever, sore throat, fatigue, and swollen lymph nodes. In some cases, a rash may develop on the skin. Treatment involves supportive care and rest.

Ichthyosis vulgaris

Ichthyosis vulgaris is a common genetic disorder that results in dry, scaly skin that resembles fish scales. The condition is caused by a defect in the filaggrin gene, which plays a role in skin barrier function. Treatment may include the use of moisturizers, keratolytics, and topical retinoids.

Incontinentia pigmenti

Incontinentia pigmenti is a rare genetic disorder that affects the skin, hair, nails, eyes, and teeth. It is caused by mutations in the IKBKG gene, which regulates the activity of the NF-kappaB signaling pathway. The condition is characterized by the development of skin lesions that evolve through various stages and can be managed with symptomatic treatment.


Immunodeficiency refers to a broad category of disorders characterized by a malfunctioning immune system, which increases the risk for infections and malignancies. Examples include primary immunodeficiencies, acquired immunodeficiency syndrome (AIDS), and drug-induced immunosuppression. Treatment varies depending on the underlying cause of the immunodeficiency.

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Involutional lipoatrophy

Involutional lipoatrophy is a progressive loss of subcutaneous fat in the face, primarily affecting the cheeks and temples. The condition is thought to be related to aging and hormonal changes, and may also be associated with autoimmune disorders and infections. Treatment with dermal fillers can restore facial fullness and improve cosmetic appearance.


Iododerma is a rare dermatologic condition that results from an allergic reaction to iodine, which may be contained in medications or contrast agents used in imaging studies. The condition typically presents as a red, pruritic, papulopustular eruption on the skin, and may have a delayed onset. Treatment involves avoidance of iodine-containing products and use of topical corticosteroids and antihistamines.

Ichthyosis acquisita

Ichthyosis acquisita is a rare skin disorder characterized by a sudden onset of scaly, thickened skin that may resemble ichthyosis vulgaris. The condition may be associated with underlying malignancies, autoimmune disorders, or infections. Treatment typically involves topical corticosteroids and phototherapy.

Inverse psoriasis

Inverse psoriasis is a subtype of psoriasis that affects skin folds, such as the groin, armpit, and under the breasts. It presents as red, shiny, and smooth patches of skin that may be itchy or painful. Treatment may involve topical corticosteroids, calcineurin inhibitors, and phototherapy.

Ichthyosis follicularis

Ichthyosis follicularis is a rare genetic disorder characterized by the development of itchy, scaly plaques around hair follicles, especially on the limbs and trunk. The condition may be inherited in an X-linked dominant pattern, and can be associated with other medical problems. Treatment may include topical emollients and keratolytics.

Impetigo herpetiformis

Impetigo herpetiformis is a rare and severe skin disorder that affects pregnant women during the third trimester. It presents as red, painful, and pustular eruptions on the skin, which may develop into plaques and cause systemic symptoms. Treatment involves hospitalization, supportive care, and delivery of the fetus.


Ichthyosis is a group of genetic skin disorders characterized by dry, scaly skin that may resemble fish scales. There are several types of ichthyosis, which vary in severity and may be associated with other medical problems. Treatment involves the use of moisturizers, keratolytics, and topical retinoids.

Irritant folliculitis

Irritant folliculitis is a common skin condition that results from the inflamed hair follicles due to exposure to an irritant such as shaving, friction, or chemicals. The condition presents as red, itchy, and pimple-like bumps around the hair follicles, and may be treated with topical corticosteroids and emollients.

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IgA vasculitis

IgA vasculitis, also known as Henoch-Schonlein purpura, is a systemic disorder characterized by inflammation of the small blood vessels, skin rash, joint pain, and gastrointestinal symptoms. It is caused by the deposition of IgA immune complexes in the blood vessels. Treatment is supportive and may include non-steroidal anti-inflammatory drugs (NSAIDs) and corticosteroids.

Infantile acropustulosis

Infantile acropustulosis is a benign skin condition that affects infants and young children, and presents as pruritic, vesiculopustular eruptions on the hands and feet. The condition is usually self-limiting and resolves with time, but topical corticosteroids and antihistamines may provide symptomatic relief.

Irukandji syndrome

Irukandji syndrome is a potentially life-threatening condition caused by envenomation by certain jellyfish species found in the waters off Australia. Symptoms may include intense pain, nausea, sweating, hypertension, and cardiac arrhythmias. Treatment may involve supportive care and administration of pain medications and antihypertensive agents.

Impetigo contagiosa

Impetigo contagiosa is a highly contagious bacterial skin infection caused by Staphylococcus or Streptococcus. It typically presents as small, red, and crusted lesions on the face or other exposed areas of the body, and may be treated with topical or systemic antibiotics.

Infantile myofibromatosis

Infantile myofibromatosis is a rare disorder that affects young children and infants, and is characterized by the development of fibrous tumors in various parts of the body, including the skin, bone, and soft tissues. The condition may be inherited in an autosomal dominant or recessive pattern, and can have varying outcomes. Treatment may include surgical excision, chemotherapy, or radiation therapy.

Infantile hemangiopericytoma

Infantile hemangiopericytoma is a rare and aggressive tumor of the blood vessels that can occur in infants and young children. It typically presents as a large, bleeding mass on the skin or other organs, and may require aggressive treatment, such as surgical resection and chemotherapy.

Wrapping Up

And that’s our list of I skin diseases.

To make sure that my list of skin diseases was comprehensive, I took an alphabet-based approach and compiled a skin condition for every letter. This method ensured that the list was comprehensive and exhaustive.

To conclude, skin diseases are prevalent in populations of all ages and genders. Their impact can range from mild discomfort to social isolation and mental health issues. Consequently, effective medical intervention and self-care measures can have a positive impact on the patient’s overall well-being. Dermatologists and other healthcare providers can help educate individuals on the importance of good skin care, early detection, and proper treatment. With a comprehensive approach that includes preventive measures, lifestyle changes, and medical treatment, individuals can successfully overcome skin diseases and enjoy clear and healthy skin.

Hope this post on skin diseases beginning with I alphabet has been useful to you!