Diseases That Start With I

Diseases are widespread medical conditions that can negatively impact the quality of life and potentially cause death. They can be infectious or non-infectious, acute or chronic, and are caused by a variety of factors ranging from lifestyle habits to environmental exposure. The symptoms of a disease can range from mild to severe and are unique depending on the illness. Effective diagnosis and management of diseases require a collaborative effort between the patient and medical practitioners, often involving careful monitoring, therapy, or surgery.

I approached the task of compiling a complete list of diseases that start with every alphabet with great enthusiasm and dedication. I committed myself to patiently studying and researching every possible ailment to ensure that my list was as comprehensive as possible, taking into account every medical terminology that I encountered during my research.

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

74 Diseases That Start With I

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

Ivemark Syndrome

Ivemark Syndrome is a rare genetic disorder that affects multiple organs in the body. It is characterized by the absence or underdevelopment of the spleen, abnormalities in the heart, and defects in the lungs and liver. People born with Ivemark Syndrome may experience recurrent infections, cardiac diseases, and in severe cases, respiratory failure. The symptoms usually appear early in life and may vary in severity. There is no known cure for Ivemark Syndrome, and treatment is focused on managing the symptoms. Antibiotics may be prescribed to prevent infections, and surgery may be necessary to correct certain heart defects.

Idiopathic Hypereosinophilic Syndrome

Idiopathic Hypereosinophilic Syndrome, or HES, is a rare condition that causes high levels of eosinophils in the blood, leading to damage in various organs of the body. The symptoms may include fever, rashes, joint pain, and signs of organ dysfunction. The exact cause of HES is unknown, but it is believed to be related to a malfunction in the immune system. There is no specific cure for HES, and treatment is focused on managing the symptoms. Corticosteroids and other immunosuppressive drugs may be prescribed, and in severe cases, bone marrow transplant may be necessary.

Irritable Bowel Syndrome

Irritable Bowel Syndrome, or IBS, is a common gastrointestinal disorder that affects the large intestine. It is characterized by recurring abdominal pain, bloating, and changes in bowel habits. The exact cause of IBS is unknown, but it is believed to be related to abnormal contractions of the intestinal muscles, hypersensitivity to certain foods, and stress. There is no cure for IBS, but treatment is focused on managing the symptoms. Dietary changes, such as avoiding certain foods and increasing fiber intake, may help alleviate the symptoms. Medications for pain and bloating may also be prescribed.

Idiopathic Adolescent Scoliosis

Idiopathic Adolescent Scoliosis is a type of spinal curvature that affects children and adolescents between the ages of 10 and 18. The cause of this condition is unknown, but it is thought to be related to growth and hormonal changes during puberty. The symptoms may include back pain, uneven shoulders, and a noticeable curvature of the spine. Treatment for Idiopathic Adolescent Scoliosis depends on the severity of the condition. Mild cases may be managed with physical therapy and regular observation, while more severe cases may require bracing or surgery.

Inflammatory Breast Cancer

Inflammatory Breast Cancer is a rare and aggressive form of breast cancer that accounts for less than 5% of all breast cancer cases. It is characterized by redness, swelling, and warmth in the breast, as well as thickening of the skin. The symptoms may appear suddenly and progress rapidly. Inflammatory Breast Cancer is often misdiagnosed as a breast infection or injury, which can delay treatment. Treatment for Inflammatory Breast Cancer generally involves chemotherapy, surgery, and radiation therapy.

Inborn Renal Aminoaciduria

Inborn Renal Aminoaciduria is a group of genetic disorders that affect the kidneys’ ability to reabsorb certain amino acids, leading to their excretion in the urine. The symptoms may include muscle weakness, stunted growth, and intellectual disability. There is no cure for Inborn Renal Aminoaciduria, and treatment is focused on managing the symptoms. Dietary changes, such as restricting the intake of certain amino acids, may help reduce the severity of the symptoms.

Interstitial Cystitis

Interstitial Cystitis is a chronic condition that causes painful inflammation of the bladder. It is characterized by frequent urination, pelvic pain, and discomfort during sexual intercourse. The exact cause of Interstitial Cystitis is unknown, but it is believed to be related to inflammation, infection, or nerve damage in the bladder. There is no cure for Interstitial Cystitis, and treatment is focused on managing the symptoms. Medications for pain and bladder spasms may be prescribed, and dietary changes, such as avoiding caffeine and alcohol, may help reduce the severity of the symptoms.

Infantile Apnea

Infantile Apnea is a breathing disorder that affects infants under the age of one. It is characterized by periods of breath holding or shallow breathing, which can lead to low oxygen levels in the blood and brain damage. The exact cause of Infantile Apnea is unknown, but it is believed to be related to developmental factors or abnormalities in the respiratory system. Treatment for Infantile Apnea depends on the severity of the condition. Mild cases may be monitored without treatment, while more severe cases may require supplemental oxygen or mechanical ventilation.

Iron-deficiency Anemia

Iron-deficiency Anemia is a common type of anemia that occurs when the body does not have enough iron to produce hemoglobin, a protein in the red blood cells that carries oxygen. The symptoms may include fatigue, weakness, and shortness of breath. Iron-deficiency Anemia is often caused by poor diet, blood loss, or a chronic disease that affects the intestines. Treatment for Iron-deficiency Anemia generally involves iron supplements and dietary changes to increase iron intake.

Inclusion Conjunctivitis

Inclusion Conjunctivitis is a type of conjunctivitis, or pink eye, that is caused by the Chlamydia trachomatis bacteria. It is transmitted through contact with contaminated eye secretions or genital fluids. The symptoms may include redness, itching, and discharge from the eye. Inclusion Conjunctivitis can be treated with antibiotics, but it may recur if the underlying infection is not completely eradicated.

Isosporiasis

Isosporiasis is a parasitic infection caused by the Isospora belli protozoa. It is transmitted through contaminated food and water, and it affects the intestines. The symptoms may include diarrhea, abdominal pain, and nausea. Isosporiasis can be treated with antibiotics, but it may recur if the underlying infection is not completely eradicated.

Intestinal Spirochetosis

Intestinal Spirochetosis is a bacterial infection caused by the Spirochetes bacteria. It affects the large intestine and is transmitted through contaminated food and water. The symptoms may include diarrhea, abdominal pain, and bloating. Intestinal Spirochetosis can be treated with antibiotics, but it may recur if the underlying infection is not completely eradicated.

Imperforate Anus

Imperforate Anus is a congenital defect in which the anus does not develop properly, preventing the passage of feces. The severity of the condition can vary, with some cases only involving a small membrane that needs to be removed, while others require surgery to create a new opening. Treatment for Imperforate Anus depends on the severity of the condition.

Infantile Digital Fibromatosis

Infantile Digital Fibromatosis is a rare condition that causes benign tumors to grow on the fingers and toes of infants and young children. The cause of this condition is unknown, but it is believed to be related to abnormal growth of the connective tissue. The symptoms may include pain, discomfort, and restricted movement. Treatment for Infantile Digital Fibromatosis depends on the severity of the tumors. Mild cases may be monitored without treatment, while more severe cases may require surgery.

Intestinal Pseudoobstruction Chronic Idiopathic

Intestinal Pseudoobstruction Chronic Idiopathic is a condition in which the muscles and nerves in the intestine do not function properly, leading to a blockage. The symptoms may include abdominal pain, bloating, and constipation. The exact cause of Intestinal Pseudoobstruction Chronic Idiopathic is unknown, but it is believed to be related to abnormalities in the nervous system or muscle function. Treatment for Intestinal Pseudoobstruction Chronic Idiopathic depends on the severity of the condition. Mild cases may be managed with medication and dietary changes, while more severe cases may require surgery.

Iron Overload

Iron Overload is a condition in which the body stores too much iron, leading to damage in various organs of the body. The symptoms may include fatigue, joint pain, and signs of organ dysfunction. Iron Overload is often caused by a genetic disorder, such as Hemochromatosis, or as a complication of other conditions, such as thalassemia or sickle cell anemia. Treatment for Iron Overload depends on the underlying cause. Blood or plasma exchange, chelation therapy, and dietary changes may be recommended.

Inborn Branched Chain Aminoaciduria

Inborn Branched Chain Aminoaciduria is a genetic disorder that affects the metabolism of branched-chain amino acids, leading to their accumulation in the blood and urine. The symptoms may include poor growth, intellectual disability, and signs of organ dysfunction. There is no cure for Inborn Branched Chain Aminoaciduria, and treatment is focused on managing the symptoms. Dietary changes, such as restricting the intake of certain amino acids, may help reduce the severity of the symptoms.

Idiopathic Pulmonary Haemosiderosis

Idiopathic Pulmonary Haemosiderosis is a rare condition that causes bleeding in the lungs, leading to accumulation of iron in the tissues. The symptoms may include coughing, shortness of breath, and signs of anemia. Idiopathic Pulmonary Haemosiderosis is believed to be related to an autoimmune disorder, but the exact cause is unknown. Treatment for Idiopathic Pulmonary Haemosiderosis may involve corticosteroids, immunosuppressive drugs, and oxygen therapy.

Intraocular Lymphoma

Intraocular lymphoma is a rare form of cancer that affects the eye and can spread to other parts of the body. The symptoms may include blurry vision, eye pain, and inflammation. Intraocular lymphoma is often misdiagnosed as other eye conditions, which can delay treatment. Treatment for Intraocular lymphoma may involve radiation therapy, chemotherapy, or both.

IgA deficiency

Individuals with IgA deficiency have low levels of Immunoglobulin A, which can lead to recurrent infections, especially in the respiratory and digestive tracts.

Iritis

Iritis is a type of eye inflammation that can cause eye pain, sensitivity to light, and blurred vision. It can be caused by autoimmune diseases or infections.

Idiopathic pulmonary fibrosis

Idiopathic pulmonary fibrosis is a chronic lung disease that causes scarring and thickening of lung tissue, making it difficult to breathe. The cause of this disease is unknown.

Intestinal lipodystrophy

Intestinal lipodystrophy is a genetic disorder that affects the way the body digests and absorbs fats, leading to malnutrition, diarrhea, and abdominal pain.

Inborn metabolic disorder

Inborn metabolic disorders are genetic conditions that affect how the body processes chemicals. This can lead to a variety of health problems, including developmental delays, seizures, and organ damage.

Impetigo

Impetigo is a highly contagious bacterial skin infection that causes red sores and blisters. It is most common in children and can be treated with antibiotics.

Inclusion-cell disease

Inclusion-cell disease, also known as I-cell disease, is a rare genetic disorder that affects multiple organs and systems of the body. Symptoms can include skeletal abnormalities, developmental delays, and vision problems.

Iodine deficiency

Iodine deficiency is a lack of iodine in the diet, which can lead to enlargement of the thyroid gland and other health problems. It is a major cause of preventable intellectual disability.

Incontinentia pigmenti

Incontinentia pigmenti is a rare genetic disorder that affects the skin, hair, and teeth. It can cause a range of symptoms, including skin rashes, nail abnormalities, and vision problems.

Inhalant abuse

Inhalant abuse is the intentional inhalation of chemical vapors or gases in order to get high. It can cause brain damage, organ damage, and even death.

Idiopathic thrombocytopenic purpura

Idiopathic thrombocytopenic purpura is a blood disorder that causes low platelet counts, leading to bleeding and bruising. The cause of this disorder is unknown.

Ichthyosis bullosa of Siemens

Ichthyosis bullosa of Siemens is a rare genetic skin disorder that causes red, scaly skin and blistering. It can be treated with topical creams and ointments.

Isaacs syndrome

Isaacs syndrome is a rare neuromuscular disorder that causes muscle stiffness, twitching, and cramping. It can be treated with medications that suppress the immune system.

Influenza

Influenza, also known as the flu, is a highly contagious viral respiratory infection that can cause fever, cough, and body aches. It can be prevented with a yearly flu vaccine.

Infective endocarditis

Infective endocarditis is an infection of the heart valves and lining that can be caused by bacteria or fungi. Symptoms can include fever, fatigue, and shortness of breath.

Idiopathic juvenile osteoporosis

Idiopathic juvenile osteoporosis is a rare bone disorder that affects children and adolescents. It causes weak bones, fractures, and curvature of the spine.

Infant respiratory distress syndrome

Infant respiratory distress syndrome is a lung disorder that affects premature infants. It causes breathing difficulties and can be life-threatening.

Infantile myofibromatosis

Infantile myofibromatosis is a rare disorder that causes noncancerous tumors to form in the muscles, skin, and bones of infants and young children.

Iron deficiency

Iron deficiency is a common nutritional deficiency that can lead to anemia, fatigue, and weakened immune system. It can be prevented and treated with iron-rich foods and supplements.

ICF syndrome

ICF syndrome is a rare genetic disorder that affects the immune system and causes developmental delays, vision problems, and recurrent infections.

Idiopathic acute eosinophilic pneumonia

Idiopathic acute eosinophilic pneumonia is a rare lung disorder that is characterized by high levels of white blood cells called eosinophils in the lungs. The cause of this disease is unknown.

Incontinentia pigmenti achromians

Incontinentia pigmenti achromians is a rare form of incontinentia pigmenti that causes hypopigmentation or loss of skin color.

Idiopathic eosinophilic chronic pneumopathy

Idiopathic eosinophilic chronic pneumopathy is a type of lung disease that is characterized by inflammation and the presence of eosinophils in the lungs. The cause of this disease is unknown.

Infertility

Infertility is the inability to conceive a child after a year of trying. It can be caused by a variety of factors, including hormonal imbalances, genetic disorders, and environmental toxins.

Inguinal hernia

An inguinal hernia is a protrusion of tissue through a weak spot in the abdominal muscles, causing a bulge in the groin or scrotum. It can be treated with surgery.

Interstitial pneumonia

Interstitial pneumonia is a type of lung infection that affects the tissue and space around the air sacs, causing inflammation and scarring. It can be caused by viruses, bacteria, and fungi.

Intestinal pseudo-obstruction

Intestinal pseudo-obstruction is a rare digestive disorder that causes the intestines to have reduced or no movement. Symptoms can include abdominal pain, bloating, and constipation.

Ichthyoallyeinotoxism

Some fish contain a potent hallucinogen called ichthyoallyeinotoxin that can cause temporary psychosis and vivid hallucinations.

Indomethacin antenatal infection

Indomethacin, a drug commonly used to treat headache and arthritis, can cause an infection in the fetus if taken during pregnancy.

Isochromosome i

Isochromosome i is a rare form of chromosome abnormality that affects the genetic material and can lead to developmental delays, intellectual disability, and other health problems.

Intracranial arteriovenous malformations

Intracranial arteriovenous malformations are abnormal tangles of blood vessels in the brain that can cause seizures, headaches, and stroke-like symptoms.

Iodine antenatal infection

Iodine can cause a rare and usually fatal infection in the fetus if ingested in excess during pregnancy.

Induced delusional disorder

Induced delusional disorder is a rare psychiatric condition where a person develops delusions as a result of close contact with someone who already has a psychotic illness.

Ichthyosis vulgaris

Ichthyosis vulgaris is a genetic skin disorder that causes dry, scaly skin, and frequently starts in childhood.

Isotretinoin embryopathy

Isotretinoin is a drug sold as Accutane used to combat acne. It can cause a range of birth defects in fetuses, known as isotretinoin embryopathy.

Immune thrombocytopenia

Immune thrombocytopenia, also known as immune thrombocytopenic purpura, is a blood disorder that results in low platelet counts, leading to easy or excessive bleeding and bruising.

Iridocyclitis

Iridocyclitis, also known as uveitis, is an inflammation of the iris and ciliary body in the eye that can cause light sensitivity, pain, and vision changes.

IgA nephropathy

IgA nephropathy is a kidney disease caused by deposits of the protein IgA inside the kidneys, leading to inflammation and gradual loss of kidney function.

Inborn error of metabolism

Inborn errors of metabolism are genetic disorders where the body cannot properly breakdown nutrients, leading to toxic levels of substances in the body that can cause intellectual disability, developmental delays, and other health problems.

I cell disease

I-cell disease is an inherited condition that results from the defective lysosomal storage of proteins, lipids, and sugars, causing developmental delays, skeletal abnormalities, and organ dysfunction.

Idiopathic dilated cardiomyopathy

Idiopathic dilated cardiomyopathy is a condition where the heart becomes weakened and enlarged, leading to poor blood flow and heart failure, of unknown origin.

Interstitial lung disease

Interstitial lung disease is a group of lung disorders that cause scarring of the lungs’ tissue leading to cough, shortness of breath, and respiratory failure.

Intrauterine infections

Intrauterine infections are infections that can occur in a fetus inside the mother’s womb, leading to a range of health problems, including intellectual and developmental problems, blindness, and more.

IgA vasculitis

IgA vasculitis, also known as Henoch-Schönlein purpura, is a condition where small blood vessels in the body become inflamed and can result in a skin rash or joint pain.

Intoeing

Intoeing is a common pediatric orthopedic condition where the feet turn inward, often due to inherited structural abnormalities or delayed development.

Iminoglycinuria

Iminoglycinuria is an inherited metabolic disorder where the body cannot reabsorb certain amino acids, leading to the excretion of these amino acids by the kidneys, which can cause kidney stones.

Ichthyosis linearis circumflexa

Ichthyosis linearis circumflexa is a rare genetic disorder that results in a ring-shaped or serpiginous dry scaly rash on the skin.

Iophobia

Iophobia is a psychological condition where a person becomes irrationally afraid of many things or specific situations.

Insulinoma

Insulinoma is a rare tumor of the pancreas that secretes insulin, leading to low blood sugar levels and symptoms like fatigue, sweating, and confusion.

Infectious arthritis

Infectious arthritis is arthritis caused by a bacterial, viral, or fungal infection in the body, often in the joint space itself.

IFAP syndrome

IFAP syndrome is a rare genetic disorder that causes skin and hair abnormalities, intellectual disability, and a variety of other health problems.

Infantile spasms

Infantile spasms, also known as West syndrome, is a rare seizure disorder that affects infants and young children, often damaging their brain development.

Illum syndrome

Illum syndrome is a rare genetic disorder that causes developmental delays, intellectual disability, and other health problems.

Idiopathic sclerosing mesenteritis

Idiopathic sclerosing mesenteritis is an uncommon and poorly understood condition that causes inflammation and damage to the tissue that lines the abdomen, leading to pain and other symptoms.

Infectious myocarditis

Infectious myocarditis is a viral infection that causes inflammation in the heart’s muscle, leading to chest pain, fatigue, and shortness of breath.

Wrapping Up

And that’s our list of I diseases.

Researching and categorizing medical conditions that start with every alphabet is a task that requires patience, diligence, and expertise. My approach was methodical, and I thoroughly scrutinized every medical term that I came across, categorizing the ailments systematically by the letter of the alphabet in which they belong.

The analysis of diseases reveals the critical role that scientific research plays in reducing the spread of infections and discovering effective treatments. It’s essential to empower healthcare professionals and researchers to pursue innovative thinking as solutions are found to tackle these modern-day challenges. Therefore, all stakeholders must work together to develop policies to combat diseases, allowing us to maintain a healthy existence.

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