30 Diseases That Start With The Letter Q

Have you ever wondered about diseases that start with the letter “Q”? Wonder no more, this article is exactly what you are looking for.

In this article, I will dive into the realm of some known and lesser-known diseases beginning with this enigmatic letter Q, aiming to raise awareness and understanding.

So, without any further ado, let’s embark on this fascinating journey and broaden our understanding of diseases that start with the letter Q.


Diseases That Start With Q

The followings are some known and lesser-known diseases that begin with the letter Q (In alphabetical order):

1. Q Fever: Q fever is a bacterial infection caused by the Coxiella burnetii bacterium. It is typically transmitted to humans from infected animals, especially livestock. The symptoms of Q fever can vary, but they often include fever, headache, muscle aches, and fatigue. Most cases resolve on their own, but severe cases may require antibiotic treatment.

2. Q Fever Arthritis: Q fever arthritis is a complication of Q fever infection that affects the joints, leading to inflammation and pain. It can occur weeks to months after the initial infection and may require anti-inflammatory medications or other treatments to manage the symptoms.

3. Q Fever Endocarditis: Q fever endocarditis is a rare but severe complication of Q fever in which the heart’s inner lining becomes inflamed. It can lead to serious heart problems and requires prolonged antibiotic therapy and sometimes surgical intervention.

4. Qalb: Qalb is an Arabic word meaning “heart.” In traditional medicine, it refers to various heart-related conditions and emotions associated with the heart.

5. Qasida: Qasida is a poetic form in Arabic, Persian, and Urdu literature that expresses various emotions, including love, praise, and grief.

6. Qat Disease: Qat disease, also known as Catha edulis toxicity, refers to the health effects of chewing qat, a stimulant plant widely used in some regions. It can lead to dental problems, digestive issues, and other health complications.

7. Qazi Markouizos Syndrome: Qazi Markouizos syndrome is a rare genetic disorder characterized by intellectual disabilities, developmental delays, and distinctive facial features. Supportive care and therapy can help manage the symptoms.

8. Qishan Syndrome: Qishan syndrome is a genetic condition that primarily affects the bones, causing abnormalities in the spine and other skeletal structures. Treatment focuses on addressing specific symptoms and providing support to affected individuals.

9. Qraa Syndrome: Qraa syndrome is a rare genetic disorder that leads to intellectual disabilities, facial dysmorphism, and developmental delays. Early intervention and supportive care are essential for affected individuals.

10. Quadratus Femoris Muscle Tear: A quadratus femoris muscle tear is an injury to the quadratus femoris muscle in the hip region. It can cause pain and limited hip mobility, requiring rest, physical therapy, and anti-inflammatory medications for healing.

11. Quadriceps Exercises: Quadriceps exercises are physical therapy exercises that target the quadriceps muscles in the front of the thigh. They are beneficial for strengthening the muscles and improving knee stability.

12. Quadriceps Tendinitis: Quadriceps tendinitis is inflammation of the quadriceps tendon, which connects the quadriceps muscles to the knee. Rest, ice, and physical therapy are often used for treatment.

13. Quadricuspid Aortic Valve: Quadricuspid aortic valve is a rare congenital heart defect where the aortic valve has four cusps instead of the usual three. Depending on the severity and symptoms, treatment may involve close monitoring or valve replacement surgery.

14. Quadriparesis: Quadriparesis refers to weakness or partial paralysis of all four limbs. It can result from various neurological conditions and requires thorough evaluation and treatment.

15. Quadriplegia: Quadriplegia, also known as tetraplegia, is paralysis that affects all four limbs and the trunk. It is usually caused by a spinal cord injury and requires comprehensive rehabilitation and support for daily living activities.

16. Qualitative Platelet Disorder: Qualitative platelet disorders are a group of conditions where platelets do not function correctly, leading to bleeding issues. Treatment may involve medications or platelet transfusions to manage bleeding episodes.

17. Quartz Pneumoconiosis: Quartz pneumoconiosis, also known as silicosis, is a lung disease caused by inhaling fine particles of crystalline silica. It can lead to progressive lung scarring and respiratory problems. Avoiding silica dust exposure is crucial for prevention.

18. Quervain Syndrome: Quervain syndrome, or De Quervain’s tenosynovitis, is a painful condition affecting the tendons on the thumb side of the wrist. Rest, splinting, and anti-inflammatory medications are commonly used for treatment.

19. Query Fever: Query fever refers to a condition where a patient presents with a fever, but the exact cause is not immediately apparent, requiring further investigation and testing for diagnosis.

20. Quesada–Miranda Syndrome: Quesada-Miranda syndrome is a rare genetic disorder characterized by intellectual disabilities, distinctive facial features, and other developmental abnormalities. Management focuses on supportive care and therapy.

21. Quick Syndrome: Quick syndrome, also known as Quick sialadenitis, is inflammation of the salivary glands. It can cause pain and swelling in the affected glands and may require treatment with antibiotics or other medications.

22. Quiet Borderline Personality Disorder: Quiet borderline personality disorder refers to a subtype of borderline personality disorder (BPD) where individuals may internalize their emotions and struggle to express their emotional distress outwardly. Psychotherapy and support are essential for managing the condition.

23. Quilizumab: Quilizumab is an experimental medication being studied for potential use in the treatment of certain inflammatory conditions, including asthma and chronic obstructive pulmonary disease (COPD).

24. Quillaja Poisoning: Quillaja poisoning refers to the toxic effects of consuming quillaja, a plant that contains saponins. Ingestion can lead to gastrointestinal disturbances and other symptoms.

25. Quincke’s Disease: Quincke’s disease, also known as angioedema, is a condition characterized by sudden swelling of the deeper layers of the skin and mucous membranes. It can be caused by various factors, including allergic reactions and hereditary angioedema.

26. Quinism: Quinism refers to the toxic effects of quinoline compounds, which can cause neurological symptoms and visual disturbances. Quinoline yellow is a specific example of a compound associated with quinism.

27. Quinoline Yellow: Quinoline yellow is a synthetic dye used in some food products. It has been associated with quinism and adverse reactions in some individuals.

28. Quinquaud’s Decalvans Folliculitis: Quinquaud’s decalvans folliculitis is a rare scalp condition characterized by scarring and hair loss. It may require medical treatment to manage inflammation and prevent further hair loss.

29. Quintan Fever: Quintan fever refers to a type of recurrent fever caused by certain bacterial infections, such as trench fever, caused by Bartonella quintana.

30. Quisqueya Type Face Syndrome: Quisqueya type face syndrome is a rare genetic disorder characterized by intellectual disabilities, distinctive facial features, and other developmental challenges. Supportive care and early intervention can help manage the symptoms and improve the quality of life for affected individuals and their families.


I hope you found this article “Diseases That Start With Q” helpful and got insights into some of the rare and lesser-known medical conditions.

Also, keep in mind that, this isn’t an exhaustive list, if there are any Diseases starting with the letter Q.

Feel free to leave a comment below with the missing Disease and I’ll update the list as soon as possible.

And, if you’d like to explore more Diseases starting with different letters of the alphabet, click the link below:

  • Diseases That Start With R
  • Diseases That Start With S
  • Diseases That Start With T
  • Diseases That Start With U

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