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

Continuing our alphabetical exploration of diseases, we now turn to those beginning with the letter ‘Y’. While ‘Y’ may not be as commonly associated with medical conditions as some other letters, it nonetheless represents a range of unique and significant diseases.

This part of our journey aims to provide insights into various conditions, including rare, deadly, blood, bone, mental health, autoimmune, and bacterial infections that start with ‘Y’.

Top 30 Diseases that Start with Y

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

  • Yeast Infections: Fungal infections, commonly Candida species.
  • Yellow Fever: Viral infection transmitted by mosquitoes.
  • Yersinia Infections: Bacterial infections, including plague.
  • Yips: Nervous disorder affecting athletes.
  • Yaws: Chronic bacterial skin infection.
  • Yolk Sac Tumor: Rare, malignant tumor in children.
  • Young Syndrome: Male infertility and respiratory disorder.
  • Yeast Allergy: Allergic reactions to yeast products.
  • Yeast Intertrigo: Skin inflammation from yeast.
  • Yeast Diaper Rash: Yeast infection in infants’ diaper area.
  • Y-linked Inheritance Disorders: Genetic disorders from the Y chromosome.
  • Yellow Nail Syndrome: Rare condition with yellow nails and lymphedema.
  • Yersinia Enterocolitica Infection: Bacterial infection causing diarrhea.
  • Yersinia Pseudotuberculosis: Infection resembling tuberculosis.
  • Yusho Disease: Chemical poisoning by PCBs.
  • Yeast Overgrowth Syndrome: Excessive growth of yeast in the body.
  • Yttrium Poisoning: Poisoning from heavy metal yttrium.
  • Yawning Excessively: Compulsive, excessive yawning.
  • Yeast Esophagitis: Yeast infection of the esophagus.
  • Yeast Urinary Tract Infection: Yeast infection in the urinary tract.
  • Yeast Meningitis: Fungal infection of the meninges.
  • Yoga Injuries: Injuries acquired during yoga practice.
  • Yersinia Pneumonia: Pneumonia caused by Yersinia bacteria.
  • Yeast Onychomycosis: Fungal nail infection.
  • Yersinia Septicemia: Blood infection by Yersinia bacteria.
  • Y-linked Genetic Disorders: Disorders passed down through Y chromosome.
  • Yttrium Lung: Lung disease from yttrium exposure.
  • Yolk Sac Carcinoma: Rare germ cell tumor.
  • Yersinia Pestis Infection (Plague): Bacterial infection causing plague.
  • Youth-Onset Diabetes (Type 1 Diabetes): Diabetes begins in childhood or adolescence.

Rare Diseases That Start With Y

  • Yellow Nail Syndrome: Rare disorder with yellow nails and lymphedema.
  • Yusho Disease: Chemical poisoning by PCBs.
  • Yolk Sac Tumor: Rare, malignant pediatric tumor.
  • Young Syndrome: Respiratory and fertility disorder.
  • Yttrium Lung: Lung disease from yttrium exposure.

Deadly Diseases That Start With Y

  • Yellow Fever: Potentially fatal viral disease.
  • Yersinia Pestis Infection (Plague): Can be deadly if untreated.
  • Yolk Sac Carcinoma: Aggressive germ cell tumor.
  • Yersinia Pneumonia: Severe cases can be fatal.
  • Yusho Disease: Long-term health effects from chemical poisoning.

Also, Check:

Medical Terms That Start With Y

Fitness Words That Start With Y

Other Diseases Beginning With Y (Divided By Type)

In this segment, we explore diseases starting with the letter “Y,” a less common initial for disease names. These diseases are categorized by type for a better understanding of their characteristics and implications.

Blood Diseases That Start With Y

  • Yellow Fever: Viral hemorrhagic disease transmitted by mosquitoes.
  • Yersinia Pestis Infection (Plague): Bacterial disease that can affect the blood and lymphatic system.

Bone Diseases That Start With Y

  • Yao Syndrome (Niacin-Responsive Dyslipidemia): Rare disorder potentially affecting bone health.
  • Young’s Syndrome: A rare condition potentially affecting bone density.

Bacterial Infection That Start With Y

  • Yaws: Chronic infection caused by Treponema pallidum pertenue.
  • Yersiniosis: Infection caused by Yersinia bacteria.
  • Yellow Nail Syndrome: Rare condition, often associated with lung and sinus infections.

Explore More Diseases Starting With:


Animal Diseases That Start With Y

Given the rarity of ‘Y’ as an initial letter in disease names, this section highlights a few animal diseases that begin with ‘Y.’ These conditions, while not numerous, are important in the field of veterinary medicine.

  • Yersiniosis: Bacterial infection affecting a variety of animals.
  • Yellow Fat Disease (Steatitis): Inflammatory condition in cats and other animals due to diet.
  • Yellow Fungus Disease: Affects reptiles, particularly lizards and snakes.
  • Yeast Infections: Common in pets, affecting skin and ears.
  • Yellow Bladder Disease: Affects fish, particularly in aquaculture settings.

diseases that start with y