Diseases That Start With A

Diseases That Start With A

Join us on a journey to explore the diseases that start with A in today’s post.

Diseases are a ubiquitous part of life and medical science. They are defined as any condition that impairs the normal functioning of the body or its organs, and can manifest in a variety of ways. From the common cold to cancer, diseases can range from mild to severe, acute to chronic, and infectious to non-infectious. The study of diseases is called pathology, and it involves understanding the causes, symptoms, diagnosis, and treatment of various ailments affecting humans and animals.

As I started compiling the list of diseases that begins with every alphabet, I realized how vast and complex the world of medical conditions is. It required meticulous research, attention to detail and an extensive database of medical terminologies to come up with a comprehensive list that covered all possible diseases for each alphabet.

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

Contents

109 Diseases That Start With A

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

Appendicitis

Appendicitis is a condition in which the appendix becomes inflamed, swollen, and filled with pus. The symptoms may include right lower abdominal pain, nausea, vomiting, and fever. It can be life-threatening if left untreated as the appendix may rupture and cause peritonitis.

Alagille

Alagille syndrome is a genetic disorder that affects the liver, heart, eyes, and skeletal system. It is caused by mutations in the JAG1 gene. Common symptoms include jaundice, liver problems, and heart defects. There is no cure for Alagille syndrome, but treatment focuses on relieving the symptoms.

Acutane embryopathy

The use of Acutane during pregnancy can cause Acutane embryopathy, a condition characterized by malformations of the central nervous system, cardiovascular system, and craniofacial structures. Common features include microcephaly, facial dysmorphia, and cleft palate.

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Acrophobia

Acrophobia is an irrational fear of heights. People with this condition experience intense anxiety and panic attacks when exposed to heights, such as being on a high building or a bridge.

Avoidant personality disorder

Avoidant personality disorder is a mental health condition characterized by social inhibition, feelings of inadequacy, and hypersensitivity to criticism. People with this disorder can be socially isolated and avoid social situations due to fear of rejection.

Adenosine deaminase deficiency

Adenosine deaminase deficiency is a rare genetic disorder that affects the immune system. It is caused by mutations in the ADA gene, which leads to the lack of adenosine deaminase enzyme. Common symptoms include recurrent infections, developmental delay, and growth retardation.

Alopecia universalis

Alopecia universalis is a condition in which there is complete loss of hair on the scalp and body. It is an autoimmune disorder in which the immune system attacks hair follicles.

Amelogenesis

Amelogenesis imperfecta is a genetic disorder that affects the development of tooth enamel. It causes teeth to be discolored, sensitive, and prone to breaking and chipping.

Arachnoiditis

Arachnoiditis is a condition in which the arachnoid membrane of the spinal cord becomes inflamed. It can cause chronic pain, numbness, tingling, and muscle weakness in the arms and legs.

Acanthocheilonemiasis

Acanthocheilonemiasis is a rare parasitic infection caused by the filarial nematode Acanthocheilonema perstans. It can cause symptoms such as fatigue, itching, and fever.

Apraxia

Apraxia is a neurological disorder that affects a person’s ability to perform purposeful movements. Common symptoms include difficulty with speech, balance, and coordination.

Aberrant subclavian artery

Aberrant subclavian artery is a congenital heart defect in which the subclavian artery arises from the aorta in an abnormal position. This can lead to symptoms such as difficulty swallowing, shortness of breath, and chest pain.

Argyria

Argyria is a rare condition characterized by the deposition of silver in the skin and other organs. It is often caused by prolonged exposure to silver or its compounds. The skin takes on a blue-gray tint, and there is no cure for the condition.

Adrenal insufficiency

Adrenal insufficiency is a condition in which the adrenal glands do not produce enough hormones. It can cause symptoms such as fatigue, muscle weakness, and low blood pressure.

Agammaglobulinemia

Agammaglobulinemia is a rare genetic disorder in which the body cannot produce antibodies. It leads to increased susceptibility to infections, particularly in the respiratory and gastrointestinal tracts.

Anonychia microcephaly

Anonychia microcephaly is a rare genetic disorder that affects nail growth and development. Other features include microcephaly, developmental delay, and seizures.

Acquired syphilis

Acquired syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. It can cause a range of symptoms, including genital sores, rashes, and fever, if left untreated, it can lead to serious health problems.

Anencephaly

Anencephaly is a birth defect in which the brain and skull do not develop properly. Most babies with anencephaly are either stillborn or die within a few hours or days of birth.

Albinoidism

Albinoidism is a rare genetic disorder in which there is a partial lack of pigmentation in the skin, hair, and eyes. It can cause symptoms such as photophobia, nystagmus, and decreased visual acuity.

Aortic arch interruption

Aortic arch interruption is a rare congenital heart defect in which the aortic arch does not develop properly, leading to obstruction of blood flow to the body. This can cause symptoms such as poor feeding, respiratory distress, and cyanosis.

Abdominal Aortic Aneurysm

A balloon-like bulge in the abdominal aorta that can cause the artery to rupture and be fatal if left untreated.

Aniridia

Aniridia is a rare genetic disorder in which the iris (the colored part of the eye) is partially or completely missing.

Arylsulfatase A Deficiency

A rare inherited disorder that prevents the body from breaking down certain fats, leading to a buildup of substances that damage the brain and nervous system.

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Acute Anxiety

A mental health disorder characterized by intense and excessive worry, fear, and apprehension about everyday situations.

Amenorrhea

A condition where a woman misses one or more menstrual periods.

AIDS Dysmorphic Syndrome

A term used to describe a group of symptoms, including wasting, chronic diarrhea, and skin lesions, that occur in people with AIDS.

Arc Syndrome

A rare genetic disorder that affects blood clotting, causing easy bruising and bleeding.

Alternating Hemiplegia

A rare neurological disorder characterized by recurrent episodes of temporary paralysis of one side of the body.

Amelia

A birth defect that results in the absence of one or more limbs.

Aase Syndrome

A rare genetic disorder that affects the production of red blood cells, leading to anemia and other symptoms.

Adrenal Medulla Neoplasm

A rare tumor that develops in the adrenal gland, which can cause high blood pressure and other symptoms.

Arteritis

An inflammation of the walls of the arteries, which can cause narrowing or blockages in the arteries and lead to serious health problems.

Acute Monocytic Leukemia

A type of blood cancer that affects the white blood cells, causing them to grow and divide uncontrollably.

Allergy

A type of immune system response to a foreign substance (such as pollen, food, or medications) that can cause various symptoms ranging from mild to severe.

Ayazi Syndrome

A rare genetic disorder characterized by distinctive facial features, short stature, and other symptoms.

ATR-X

A rare genetic disorder that affects the development of the brain and other parts of the body.

Astigmatism

A common vision problem in which the eye does not focus light evenly onto the retina, resulting in distorted or blurred vision.

Aphalangia

A rare genetic disorder characterized by the absence of one or more fingers or toes.

Aortic Supravalvular Stenosis

A narrowing of the aorta (the main artery that carries blood from the heart to the rest of the body) that can cause various health problems.

Acromegaly

A hormonal disorder in which the pituitary gland produces too much growth hormone, leading to abnormal growth of bones and tissues.

Aldred Syndrome

A rare genetic disorder characterized by developmental delays, intellectual disability, and other symptoms.

Anthrax

A serious infectious disease caused by the bacterium Bacillus anthracis that can affect both animals and humans.

Acquired Ichthyosis

A skin disorder that causes thick, scaly patches on the skin.

Aneurysm

A bulge or swelling in a blood vessel, which can be life-threatening if it ruptures.

Annuloaortic Ectasia

A condition in which the aorta (the main artery that carries blood from the heart to the rest of the body) becomes enlarged and weakened.

Adrenal Hyperplasia

A group of genetic disorders that affect the adrenal glands, which can cause various symptoms such as a loss of salt from the body.

Agyria

A developmental disorder in which the brain lacks the normal folding and grooves (gyri) seen in a typical brain.

Alcoholic Liver Cirrhosis

A type of liver disease caused by long-term, excessive alcohol consumption that can lead to liver failure and other complications.

Aplastic Crisis

A complication of sickle cell anemia in which the body stops producing red blood cells, leading to anemia and other symptoms.

Abscess

A pocket of pus caused by an infection, usually surrounded by inflamed tissue.

Alveolar echinococcosis

A rare parasitic disease that affects the liver and can cause severe damage if left untreated.

Alien hand syndrome

A neurological disorder that causes involuntary hand movements and a feeling of detachment from one’s own hand.

Aqueductal stenosis

A condition where the flow of cerebrospinal fluid is blocked, which can lead to hydrocephalus.

Apert syndrome

A genetic disorder that affects the skull and limbs, leading to abnormalities in their growth and development.

Accessory navicular bone

A harmless extra bone that can sometimes cause pain in the foot.

Arginemia

A rare genetic disorder that leads to high levels of ammonia in the blood, which can cause brain damage.

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Anterograde amnesia

A type of amnesia where a person is unable to create new memories after the onset of amnesia.

Acrokeratoelastoidosis of Costa

A skin condition that leads to the growth of small bumps on the hands and feet.

Atrophy

A condition where a tissue or organ shrinks in size due to lack of use or disease.

Amebiasis

An infection caused by a parasite that can affect the intestines and cause diarrhea or other symptoms.

Astrocytoma

A type of brain tumor that forms from cells called astrocytes.

Arbovirosis

A group of viral diseases transmitted to humans by arthropods like mosquitoes, ticks, and flies.

Arrhinia

A rare congenital condition where a person is born without a nose or with a very small nose.

Albinism

A genetic condition that affects the production of melanin, leading to little or no color in the skin, hair, or eyes.

Atrioventricular septal defect

A congenital heart defect where there is a hole in the wall between the heart’s chambers.

Arachnoid cysts

Fluid-filled sacs that form on the arachnoid membrane in the brain and spinal cord.

Anorexia nervosa

An eating disorder characterized by an extreme fear of gaining weight and a distorted body image.

Asthma

A chronic respiratory disease that causes inflammation and narrowing of the airways, making it difficult to breathe.

Autonomic dysfunction

A condition where the autonomic nervous system, which controls functions like heart rate and digestion, does not work properly.

Acute lymphocytic leukemia

A type of blood cancer that affects the white blood cells, usually in children.

Amblyopia

A vision disorder commonly called “lazy eye”, where one eye does not develop properly and the brain favors the other eye.

Acquired agranulocytosis

A condition where the body is unable to produce enough white blood cells, making it difficult to fight off infections.

Arthritis

A group of diseases that cause inflammation and pain in the joints.

Aplastic anemia

A condition where the bone marrow does not produce enough blood cells, leading to fatigue, infections, and bleeding.

Alopecia areata

An autoimmune disorder that causes hair loss in patches on the scalp and other areas of the body.

Acute monoblastic leukemia

A type of blood cancer that affects the white blood cells, usually in adults.

Atherosclerosis

A condition where plaque builds up in the arteries, reducing blood flow and increasing the risk of heart attack and stroke.

Autoimmune hemolytic anemia

A condition where the immune system mistakenly attacks and destroys red blood cells, leading to anemia.

AIDS

A viral disease caused by the human immunodeficiency virus (HIV), which attacks the immune system and can be fatal.

Atrophoderma

A skin condition that causes thinning and wrinkling of the skin, usually on the arms or legs.

Adenomyosis

A thickening of the uterus caused by overgrowth of the endometrial tissue.

Aagenaes syndrome

A rare genetic disorder that affects the development of the lymphatic system.

Anterior horn disease

A group of disorders that affect the nerve cells in the spinal cord.

Aniridia absent patella

A rare genetic disorder characterized by the absence of the iris in the eyes and missing knee caps.

Avian Flu

A respiratory illness that affects birds and can occasionally be transmitted to humans.

Ascariasis

An infection caused by a parasitic worm called Ascaris.

Alexander disease

A rare and usually fatal neurological disorder that affects the nervous system.

Aortic window

A congenital defect in the heart’s structure that is present from birth.

Aichmophobia

An intense and irrational fear of needles or sharp objects.

African trypanosomiasis

Also known as sleeping sickness, this disease is caused by a parasite transmitted by the tsetse fly.

Apiphobia

An extreme or irrational fear of bees.

Aortic arches defect

A congenital heart defect that affects the arches of the aorta.

Acute radiation syndrome

A group of symptoms that occur after exposure to high levels of radiation.

Aldolase A deficiency

A rare genetic disorder that affects the way the body processes glucose.

Acute renal failure

A sudden and often reversible loss of kidney function.

Aseptic meningitis

A condition characterized by inflammation of the membranes that surround the brain and spinal cord.

Adrenomyodystrophy

A type of muscular dystrophy that affects the adrenal glands.

Achromatopsia

A rare genetic disorder that affects color vision and causes difficulty seeing in bright light.

Aromatase deficiency

A rare genetic condition that affects the production of estrogen in the body.

Astrovirus infection

A common cause of diarrhea and vomiting in young children.

Acute myelocytic leukemia

A type of cancer that affects the blood and bone marrow.

Argininosuccinate synthetase deficiency

A rare genetic disorder that affects the production of certain amino acids.

Arthrogryposis like disorder

A group of disorders characterized by limited or underdeveloped joint movement.

Angiomatosis

A condition characterized by the formation of small blood vessels in abnormal places.

Adie syndrome

A disorder that affects the pupils of the eyes and can cause blurred vision and other symptoms.

Atelosteogenesis type I

A rare genetic disorder that affects bone development.

Aphthous stomatitis

A common condition that causes small, painful sores in the mouth.

Aromatase excess syndrome

A rare genetic disorder that leads to excessive production of estrogen in the body.

Wrapping Up

And that’s our list of A diseases.

I began my journey of compiling the list of diseases for each alphabet with a clear approach in mind. I knew that it was going to be an extensive task that required time and dedication. And so, I spent hours upon hours researching and cross-referencing to ensure I don’t miss any known condition that starts with each letter.

In conclusion, diseases have been a part of human history and their impact has been grave. From communicable diseases that can be easily spread to chronic ailments that affect individuals for a long time, diseases have taken a toll on the health and well-being of individuals and communities across the world.

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