All Diseases that Start with N (Rare, Deadly, and Many More!)

Embarking on a medical odyssey, our journey through the alphabet brings us to an intriguing chapter: diseases that start with the letter ‘N’. From the blood to bones, eyes to mental health, and from our lungs to our skin—not to mention those that afflict our beloved dogs and cats—we’ll delve into a myriad of conditions.

We will unearth the rare, decode the deadly, and unravel the mysteries of autoimmune and bacterial infections.

Top 30 Diseases that Start with N

Below are the 30 common diseases starting with the letter ‘N’.

  • Neuralgia: Chronic pain along a nerve.
  • Narcolepsy: Sudden, uncontrollable sleep attacks.
  • Nephritis: Inflammation of the kidneys.
  • Neuropathy: Damage to peripheral nerves.
  • Necrotizing Fasciitis: Flesh-eating bacteria disease.
  • Noma: Severe facial tissue destruction.
  • Neutropenia: Abnormally low neutrophil count.
  • Nystagmus: Involuntary eye movement condition.
  • Neurofibromatosis: Tumors on nerve tissue.
  • Nephrolithiasis: Kidney stones development.
  • Nasopharyngitis: Common cold infection.
  • Nocardiosis: Bacterial lung infection.
  • Nail-Patella Syndrome: Nail and bone disorder.
  • Niemann-Pick Disease: Lipid metabolism disorder.
  • Nephrotic Syndrome: Kidney filtering issue.
  • Neurodermatitis: Chronic skin inflammation.
  • Narcolepsy: Sudden, uncontrollable sleep attacks.
  • Non-Hodgkin Lymphoma: Blood cancer type.
  • Nasal Polyps: Benign nasal growths.
  • Necrosis: Tissue death due to injury.
  • Neuroblastoma: Cancer in nerve tissue.
  • Noonan Syndrome: Genetic disorder.
  • Neurocysticercosis: Parasitic brain infection.
  • Neuroleptic Malignant Syndrome: Life-threatening reaction to antipsychotics.
  • Nocardiosis: Bacterial lung infection.
  • Non-gonococcal Urethritis: Urinary tract inflammation.
  • Nystagmus: Involuntary eye movement condition.
  • Niemann-Pick Disease: Genetic cholesterol metabolism disorder.
  • Netherton Syndrome: Skin scaling disorder.
  • Neutropenia: Low level of neutrophils.

Also, Check:

Medical Terms That Start With N

Fitness Words That Start With N

Rare Diseases That Start with N

  1. Nail-Patella Syndrome: Rare genetic nail and bone disorder.
  2. Niemann-Pick Disease: Fatal metabolic condition.
  3. Neuroacanthocytosis: Neurological and blood disorder.
  4. Netherton Syndrome: Skin scaling genetic disorder.
  5. Narcolepsy Type 1: Rare sleep disorder with cataplexy.
  6. Norrie Disease: Rare eye and hearing disorder.
  7. Nager Syndrome: Rare developmental disorder.
  8. Neurofibromatosis Type 2: Genetic nervous system disorder.
  9. Nasu-Hakola Disease: Dementia with bone cysts.
  10. Nephrogenic Systemic Fibrosis: Skin and organ fibrosis.
  11. Nocardiosis: Rare infectious lung disease.
  12. Non-24-Hour Sleep-Wake Disorder: Rare circadian rhythm disorder.
  13. Neuroleptic Malignant Syndrome: Rare reaction to antipsychotics.
  14. Netherton Syndrome: Skin scaling disorder.
  15. Neurocysticercosis: Parasitic brain infection.

Deadly Diseases That Start with N

  1. Necrotizing Fasciitis: Flesh-eating bacterial infection.
  2. Non-Hodgkin Lymphoma: Type of blood cancer.
  3. Neuroblastoma: Aggressive nerve tissue cancer.
  4. Niemann-Pick Disease: Fatal lipid metabolism disorder.
  5. Necrosis: Tissue death leading to severe complications.
  6. Nipah Virus Infection: Deadly viral infection.
  7. Non-Hodgkin’s Lymphoma: Aggressive blood cancer.
  8. Neuroleptic Malignant Syndrome: Potentially fatal antipsychotic reaction.
  9. Necrotizing Enterocolitis: Deadly gastrointestinal disease in infants.
  10. New Variant Creutzfeldt-Jakob Disease: Fatal brain disorder.
  11. Nocardiosis: Severe bacterial lung infection.
  12. Norovirus Infection: Severe gastrointestinal illness.
  13. Neurocysticercosis: Serious parasitic brain infection.
  14. Nephrotic Syndrome: Kidney disorder leading to life-threatening complications.
  15. Neutropenia: Severe immune deficiency condition.

Explore More Diseases Starting With:


Other Diseases Beginning With N (Divided By Type)

In this section, we explore various diseases starting with the letter “N,” categorized by type. This categorization aids in understanding the nature and origin of each disease, thereby simplifying the process of identification and study.

Autoimmune Diseases That Start With N

  • Neuromyelitis Optica: A rare neurological disorder.
  • Narcolepsy: Sleep disorder affecting wakefulness control.
  • Nephrotic Syndrome: Kidney disorder causing excess protein loss.
  • Neuromyotonia: Causes muscle stiffness and spasms.
  • Nasal Polyps: Noncancerous growths in nasal passages.

Blood Diseases That Start With N

  • Neutropenia: Abnormally low neutrophil count.
  • Non-Hodgkin Lymphoma: Diverse group of blood cancers.
  • Niemann-Pick Disease: Affects the body’s lipid metabolism.
  • Nephropathy: Kidney damage or disease.
  • Normocytic Anemia: Anemia with normal-sized red cells.

Bone Diseases That Start With N

  • Osteonecrosis: Bone death due to reduced blood flow.
  • Neurofibromatosis: Causes tumors on nerve tissue.
  • Neonatal Osteosclerosis: Increased bone density in infants.
  • Nasal Bone Hypoplasia: Underdeveloped nasal bones.
  • Nonossifying Fibroma: Benign fibrous bone lesions.

Bacterial Infection That Start With N

  • Nocardiosis: Infectious disease affecting the lungs.
  • Neonatal Sepsis: Life-threatening bacterial infection in newborns.
  • Necrotizing Fasciitis: Rare, flesh-eating bacterial infection.
  • Non-gonococcal Urethritis: Bacterial infection of the urethra.
  • Neisseria Meningitidis: Causes bacterial meningitis.

Animal Diseases That Start With N

  • Newcastle Disease: Viral disease affecting birds, especially poultry.
  • Nematodiasis: Infestation by nematodes (roundworms).
  • Neosporosis: Parasitic disease caused by Neospora caninum.
  • Nocardiosis: Bacterial infection affecting various animals.
  • Nasal Mites: Tiny mites infesting the nasal passages.
  • Navicular Disease: Chronic lameness in horses.
  • Neonatal Diarrhea: Common in newborn farm animals.
  • Nipah Virus Infection: Infectious disease in pigs and humans.
  • Nutritional Myodegeneration: Muscle disease due to vitamin E/selenium deficiency.
  • Necrotic Enteritis: Bacterial infection in poultry causing gut lesions.

diseases that start with n