Diseases That Start With M

Diseases are complex and multifaceted conditions that can affect any part of the body, including the organs, tissues, and cells. They can be caused by microorganisms like bacteria and viruses, environmental factors such as pollution and radiation, or by genetic abnormalities. The symptoms of a disease can vary widely depending on the type of disease and its severity. Diagnosis and treatment of diseases typically involve a combination of medical expertise, laboratory tests, and imaging techniques.

As a medical enthusiast, compiling a list of diseases that starts with every letter of the alphabet was a fun and engaging task for me. I was determined to ensure that the list I created was accurate, authentic, and complete. Therefore, I left no stone unturned and verified every single medical term I came across.

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

106 Diseases That Start With M

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

Multiple Myeloma

Multiple myeloma is a type of cancer that affects plasma cells, which are white blood cells that produce antibodies. It is characterized by the accumulation of abnormal plasma cells in the bone marrow, which can lead to bone pain, fractures, anemia, and kidney damage.

Myiasis

Myiasis is a parasitic infection caused by fly larvae that feed on the host’s tissue. It can occur in a variety of animals, including humans. Symptoms may include pain, swelling, and infection.

Marshall Syndrome

Marshall Syndrome is a rare genetic disorder that affects connective tissue. It can cause a range of symptoms, including short stature, skeletal abnormalities, and hearing loss.

Morquio Syndrome

Morquio Syndrome is a genetic disorder that affects the body’s ability to break down certain substances. It can lead to skeletal abnormalities, vision problems, and other health issues.

Myocardium Disorder

Myocardium Disorder is a general term used to describe any condition that affects the heart muscle. It can cause symptoms such as chest pain, shortness of breath, and fatigue.

Multiple Sclerosis

Multiple sclerosis is a chronic autoimmune disease that affects the central nervous system. It can lead to a range of symptoms, including muscle weakness, vision problems, and cognitive impairment.

Myoclonic Epilepsy

Myoclonic Epilepsy is a form of epilepsy characterized by sudden, brief muscle jerks. It can be caused by a variety of factors, including genetic mutations and brain injury.

MTHFR Deficiency

MTHFR Deficiency is a genetic condition that affects the body’s ability to process certain amino acids. It can lead to a range of symptoms, including anemia, seizures, and developmental delays.

MIDAS Syndrome

MIDAS Syndrome is a rare genetic disorder that affects bone development. It can cause a range of symptoms, including short stature, skeletal abnormalities, and hearing loss.

Miculicz Syndrome

Miculicz Syndrome is a rare disease that affects the lymphatic system. Symptoms may include swollen lymph nodes, fever, and fatigue.

McDonough Syndrome

McDonough Syndrome is a rare genetic disorder that affects bone development. It can cause a range of symptoms, including short stature, skeletal abnormalities, and hearing loss.

Mobius Syndrome

Mobius Syndrome is a rare neurological condition characterized by the absence or underdevelopment of cranial nerves. It can cause a range of symptoms, including facial paralysis and difficulty moving the eyes.

Myxedema

Myxedema is a condition caused by severe hypothyroidism. It can cause a range of symptoms, including fatigue, weight gain, and dry skin.

Meningitis

Meningitis is an inflammation of the membranes surrounding the brain and spinal cord. It can be caused by a variety of bacteria and viruses, and can lead to a range of symptoms, including fever, headache, and sensitivity to light.

Mixed Mullerian Tumor

Mixed Mullerian Tumor is a type of cancer that can develop in the reproductive organs of women. It can cause a range of symptoms, depending on the location and severity of the tumor.

Myalgic Encephalomyelitis

Myalgic Encephalomyelitis, also known as chronic fatigue syndrome, is a debilitating chronic illness characterized by persistent fatigue and other symptoms, such as joint pain and cognitive impairment.

Motor Neuron Disease

Motor Neuron Disease is a group of diseases that affect the motor neurons in the brain and spinal cord. It can cause a range of symptoms, including muscle weakness, wasting, and difficulty speaking.

Myasthenia Gravis

Myasthenia Gravis is a neurological disorder that affects the muscles and nerves responsible for movement. It can cause muscle weakness and fatigue, and can affect various parts of the body.

Meningocele

Meningocele is a birth defect in which a portion of the membrane that covers the spinal cord protrudes through an opening in the spine. It can cause neurological symptoms, such as muscle weakness and loss of sensation.

MPS III-A

MPS III-A is a rare genetic disorder that affects the body’s ability to break down certain substances. It can lead to a range of symptoms, including developmental delays, vision problems, and skeletal abnormalities.

Multiple system atrophy

A degenerative neurological disorder that affects movement, balance and the autonomic nervous system.

Mild cognitive impairment

A condition characterized by a decline in cognitive function that can be a precursor to dementia.

Mucoepithelial dysplasia

A rare condition that affects the mucous membranes and can lead to the formation of benign tumors.

Methylmalonic acidemia

A genetic disorder that causes problems with the metabolism of certain amino acids and fatty acids.

Multiple sulfatase deficiency

A rare lysosomal storage disorder characterized by the deficiency of multiple sulfatase enzymes.

Marchiafava

A rare disorder that affects the corpus callosum, the structure that connects the two hemispheres of the brain.

Mannosidosis

A rare inherited disorder that affects the metabolism of complex sugars.

Myoadenylate deaminase deficiency

An inherited disorder that affects the breakdown of muscle tissues during exercise.

Macrophagic myofasciitis

A rare disorder characterized by the presence of abnormal cells in the muscle tissue.

Myelitis

An inflammation of the spinal cord that can damage the myelin sheath and lead to neurological symptoms.

MAT deficiency

A rare metabolic disorder that affects the production of a molecule known as S-adenosylmethionine.

Marshall

A rare genetic disorder that affects the metabolism of amino acids.

Marek disease

A viral infection that affects chickens and other birds.

Miller

A rare genetic disorder that affects the production of collagen.

Mononeuritis multiplex

A rare neurological disorder that affects multiple nerves in the body.

Methionine adenosyltransferase deficiency

A rare metabolic disorder that affects the metabolism of a molecule known as methionine.

Mumps

A highly contagious viral infection that affects the salivary glands.

Mietens syndrome

A rare disorder characterized by the presence of abnormal proteins in the blood.

Myoglobinuria

A rare condition characterized by the presence of myoglobin in the urine.

Monkeypox

A rare viral infection that causes symptoms similar to but milder than smallpox.

Mega-epiphyseal dwarfism

A rare genetic disorder characterized by the abnormal development of the bones.

Moyamoya disease

A rare disorder that affects the blood vessels in the brain.

Medullary cystic disease

A rare genetic disorder that affects the kidneys.

Meleda disease

A rare genetic disorder characterized by the thickening of the skin on the palms and soles of the feet.

Microcephaly deafness syndrome

An inherited disorder characterized by the small size of the head and deafness.

Malonyl-CoA decarboxylase deficiency

A rare metabolic disorder that affects the breakdown of fatty acids.

Microvillus inclusion disease

A rare disorder that affects the lining of the small intestine.

Major depressive disorder

A mental health disorder characterized by persistent feelings of sadness and loss of interest or pleasure.

Mohr

A rare genetic disorder that affects the production of certain enzymes.

Mikulicz syndrome

A rare disorder characterized by the inflammation of the salivary and lacrimal glands.

Mitochondrial disease

A group of disorders caused by dysfunctional mitochondria, affecting various organs and systems in the body.

Myoclonic dystonia

A neurological movement disorder characterized by sudden, involuntary muscle contractions and spasms, leading to abnormal postures and movements.

Macroglossia dominant

A rare genetic condition that causes the tongue to be enlarged and protruded, leading to speech and eating difficulties.

Metabolic syndrome X

A cluster of metabolic abnormalities, including insulin resistance, obesity, high blood pressure, and abnormal lipid profile, which increase the risk of cardiovascular disease and type 2 diabetes.

Myxozoa

A phylum of parasitic microscopic aquatic organisms that infect fish and other aquatic species, causing various diseases.

Mesothelioma

A rare and aggressive cancer that affects the mesothelial cells lining the lungs, heart, and other organs, usually caused by exposure to asbestos.

Meningomyelocele

A birth defect in which the spinal cord and the meninges protrude through a spinal opening, leading to neurological and urological problems.

Michels syndrome

A rare genetic disorder characterized by craniosynostosis, cleft palate, facial abnormalities, and other skeletal and developmental abnormalities.

Myeloperoxidase deficiency

A rare inherited disorder that affects the immune system, leading to increased susceptibility to certain infections and autoimmune diseases.

Microsporidiosis

A parasitic infection caused by microsporidia, which can affect various tissues and organs in immunocompromised individuals.

Malaria

A life-threatening disease caused by Plasmodium parasites, transmitted by infected mosquitoes, leading to fever, anemia, and organ damage.

Migraine

A neurological disorder characterized by recurrent episodes of severe headache, often accompanied by nausea, vomiting, and sensitivity to light and sound.

Myotubular myopathy

A rare genetic muscle disorder that affects infants and young children, leading to muscle weakness, respiratory problems, and sometimes early death.

Myopia

A refractive error of the eye, causing blurred distance vision, usually caused by the eyeball being too long.

Microscopic polyangiitis

A type of autoimmune vasculitis affecting small blood vessels, leading to inflammation and damage of various organs and tissues.

Maroteaux

A rare inherited metabolic disorder caused by deficient activity of an enzyme needed to break down certain carbohydrates, leading to various symptoms and complications.

Mohr syndrome

A rare genetic disorder characterized by craniofacial abnormalities, hearing loss, and other developmental abnormalities.

Measles

A highly contagious viral infection, causing fever, rash, and respiratory symptoms, and sometimes leading to serious complications like pneumonia and encephalitis.

Michels Caskey syndrome

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

MPS III-C

A type of mucopolysaccharidosis, a group of inherited disorders that affect the metabolism of complex carbohydrates, leading to a range of symptoms and complications.

Mondini dysplasia

A congenital malformation of the cochlea, leading to hearing loss or deafness, often associated with other inner ear abnormalities or meningitis.

Mickleson syndrome

A rare genetic disorder characterized by developmental abnormalities, facial dysmorphism, and other features.

Mounier-Kuhn syndrome

A rare condition characterized by tracheal and bronchial dilation, leading to increased risk of respiratory infections and other complications.

Myoclonus

A movement disorder characterized by sudden contractions or jerks of muscles, often without an identifiable cause.

Multiple hereditary exostoses

A genetic disorder causing the growth of multiple benign bone tumors, leading to bone deformities and other complications.

McKusick

A rare genetic disorder characterized by abnormal facial features, developmental abnormalities, and other symptoms.

Mad cow disease

A fatal neurological disease affecting cattle, caused by prion proteins, which can also affect humans who consume infected meat.

MPO deficiency

A rare inherited disorder that affects the immune system, leading to increased susceptibility to certain infections and autoimmune diseases.

Medullary thyroid carcinoma

A type of thyroid cancer arising from parafollicular C cells, often associated with inherited genetic mutations, and often treated with surgery and other therapies.

Myocarditis

A condition in which inflammation of heart muscle leads to heart failure or sudden cardiac death.

Myositis ossificans

A rare disorder where bone tissue forms inside muscles, often as a result of blunt or repetitive trauma.

MODY syndrome

A type of diabetes that is caused by mutations in certain genes rather than lifestyle factors.

Melanoma

The most dangerous type of skin cancer, which occurs when pigment-producing cells become cancerous and spread to other parts of the body.

Myopathy

A disease that affects the skeletal muscles, causing weakness, wasting, or stiffness.

Medulloblastoma

A type of primary brain cancer that occurs mostly in children and arises in the cerebellum, the part of the brain that controls balance and coordination.

Malignant hyperthermia

A genetic disorder triggered by certain drugs that causes a rapid and dangerous rise in body temperature, muscle rigidity, and other symptoms.

Myasthenia gravis congenital

A rare genetic form of the autoimmune disease myasthenia gravis, which causes muscle weakness and fatigue.

Munchausen syndrome

A mental disorder in which a person feigns or intentionally causes physical or psychological symptoms in order to attract attention or sympathy.

Macular corneal dystrophy

A progressive disorder that affects the cornea, causing blurred vision, cloudiness, and eventually blindness.

Megaduodenum

A rare condition in which the duodenum, the first part of the small intestine, becomes abnormally enlarged and distended.

Malakoplakia

A rare inflammatory disease in which poorly digested bacteria accumulate in macrophages, leading to granulomatous lesions.

MPS VI

A rare genetic disorder that affects the metabolism of glycosaminoglycans, leading to a range of physical and cognitive disabilities.

Mevalonate kinase deficiency

A genetic disorder that causes recurrent episodes of fever, rash, joint pain, and other symptoms.

Multiple chemical sensitivity

A controversial condition in which people report symptoms in response to low levels of various chemicals in the environment.

Mononucleosis

A viral infection that causes symptoms such as fatigue, sore throat, fever, swollen lymph nodes, and enlarged spleen.

Mass psychogenic illness

A phenomenon in which groups of people experience similar symptoms without any clear medical explanation, often as a result of psychological factors.

Mucormycosis

A rare but serious fungal infection that can affect the sinuses, lungs, brain, or other parts of the body, especially in people with weakened immune systems.

Metastatic cancer

A form of cancer that has spread from its site of origin to other parts of the body, usually through the lymphatic system or blood vessels.

Myelodysplasia

A group of disorders in which the bone marrow produces abnormal blood cells, increasing the risk of infection, bleeding, and leukemia.

Meningoencephalocele

A congenital defect in which the membranes covering the brain and spinal cord protrude through an opening in the skull or spine.

McGillivray syndrome

A rare genetic disorder characterized by a small head, severe intellectual disability, and other physical abnormalities.

Malignant fibrous histiocytoma

A type of soft tissue sarcoma that arises in fibrous tissue, typically in the arms or legs.

Mullerian agenesis

A genetic disorder in which the vagina, uterus, and fallopian tubes fail to develop properly in females, leading to infertility.

Metastatic Insulinoma

A rare type of pancreatic cancer that produces excessive amounts of insulin, leading to low blood sugar and other symptoms.

Motor neuropathy

A type of peripheral neuropathy that affects the motor nerves, leading to muscle weakness, wasting, or cramps.

Muscular dystrophy

A group of genetic diseases that cause progressive weakness and wasting of the muscles, often beginning in childhood.

Wrapping Up

And that’s our list of M diseases.

It was not an easy task to compile a comprehensive list of diseases for all letters of the alphabet. I had to meticulously search for medical terminologies, categorize each condition by the letter, and research any uncategorized ailment that started with any of the last few letters. It was a challenging but rewarding experience.

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 M alphabet has been useful to you!