Diseases A-Z

1. Acute Flaccid Myelitis (AFM)

Acute Flaccid Myelitis is a disease that affects the nervous system, causing a person’s muscles and reflexes to become weak. 


2. Alphaviruses

Alphavirus is a type of RNA virus that can cause arthritis and encephalitis.


3. Altitude Sickness

Altitude sickness causes headaches, dizziness, and shortness of breath which are brought about when a person quickly ascends to a higher altitude. 


4. Alzheimer’s Disease

Alzheimer’s Disease affects how a person’s brain functions. People with this disease lose their memory to varying extents.


5. AIDS (Acquired Immunodeficiency Syndrome)

AIDS is a serious condition caused by HIV (Human Immunodeficiency Virus). People with AIDS can suffer from diarrhea, rapid weight loss, fever, and/or depression. 


6. Arboviral Encephalitis

Arboviral Encephalitis is a disease that people can catch after being bitten by an infected disease. It causes inflammation of the brain.


7. Arthritis

Arthritis causes inflammation of a person’s joints., making them stiff and often painful. 


8. Asthma

Asthma is a lung disease that causes a person to have difficulty breathing. 


9. Avian Influenza (Bird Flu)

Avian Influenza causes a person to have fever-like symptoms, such as a high temperature, coughing, and muscle aches.


10. Babesiosis

Babesiosis is a disease passed to a person after they’re bitten by an infected tick. The disease is an infection of the red blood cells.


11. Bacterial Vaginosis

Bacterial Vaginosis is a condition that causes a smelly vaginal discharge. 


12. Cancer 

Different forms of cancer include the following:

Breast Multiple Myeloma Bladder
Cervical Ovarian Leukaemia
Colon Pancreatic Lung
Endometrial Stomach Oral
Kidney Thyroid Skin
Liver Uterus Testicular

13. Carbon Monoxide Poisoning

Carbon Monoxide Poisoning is caused by breathing in a large amount of carbon monoxide. Symptoms include headaches, dizziness, vomiting, and confusion.


14. Chancroid

Chancroid is a sexually transmitted disease (STD) that causes sores on your genitals.


15. Cardiovascular Disease

Cardiovascular Disease is a general term for conditions affecting the heart.


16. Chagas Disease

Chagas Disease is typically spread by insects in Latin American countries. This disease can cause irreparable damage to a person’s heart and other important organs. 


17. Chicken Pox

Chicken Pox is an infection that causes red, itchy spots on a person’s skin.


18. Chlamydia

Chlamydia is a sexually transmitted infection (STI). Symptoms include an unusual sexual discharge and pain while urinating.


19. Chronic Obstructive Pulmonary Disease (COPD)

Chronic Obstructive Pulmonary Disease (COPD) is usually caused by smoking. The disease inflames a person’s lungs and affects their breathing.


20. Cholera

Cholera is a disease that causes diarrhea. A person can become infected after drinking water contaminated with faeces. 


21. Chronic Fatigue Syndrome

Chronic Fatigue Syndrome is a condition that causes a person to become extremely tired. 


22. Coeliac Disease

Coeliac Disease is a condition where your immune system attacks your tissues, causing diarrhea, constipation, indigestion, and vomiting. These symptoms occur when a person eats gluten and they’re unable to absorb the nutrients.


23. Conjunctivitis

Conjunctivitis causes a person’s eyes to become sore, red, itchy, and pus-filled. 


24. COVID-19

Covid-19 symptoms include coughing, a high temperature, and a change in smell/taste.


25. Crabs

Crabs are a type of lice that cause itchiness in the pubic and groin area.


26. Creutzfeldt-Jakob Disease (Mad Cow Disease)

Creutzfeldt-Jakob Disease affects a person’s brain, causing serious damage, such as loss of brain functions, coordination problems, and personality changes. 


27. Cryptosporidiosis

Cryptosporidiosis is an infection that can cause weight loss, stomach cramps, and diarrhea. 


28. Cyclospora

Cyclospora is an infection that affects the bowel, causing weight loss, stomach cramps, and diarrhea.


29. Dengue

Dengue is spread to a person if they’re bitten by an infected mosquito. Symptoms include headaches, high temperature, muscle pain, and vomiting. 


30. Depression

Depression symptoms include feeling unhappy and unmotivated, having low self-esteem, and tiredness. 


31. Diabetes

Diabetes is when a person has too much sugar in their blood, causing them to urinate a lot and to have a general feeling of tiredness. 


32. Diphtheria

Diphtheria can cause problems with a person’s breathing and heart functions. 


33. Ebola Virus

Ebola Virus is a serious condition that causes a person to have a high temperature, sore throat, muscle weakness, and headaches. 


34. Fibromyalgia

Fibromyalgia is a condition that causes continuous widespread pain and a general feeling of tiredness.


35. Flu

Flu symptoms include having a high temperature, headaches, sore throat, and coughing. 


36. Genital Herpes

Genital Herpes is a sexually transmitted infection that causes blisters on a person’s genitals, anus, and legs.


37. Gonorrhoea

Gonorrhoea is a sexually transmitted infection that can cause a person to have an unusual discharge. 


38. Gout

Gout causes swelling of a person’s joints which can lead to severe pain.


39. Haff Disease

Haff Disease is linked to Rhabdomyolysis which is a life-threatening syndrome. Symptoms include muscle cramps and tiredness. 


40. Hand, Foot and Mouth

Hand, Foot and Mouth is an infection that causes mouth ulcers and blisters on a person’s hands and feet.


41. Hantaviruses

Hantaviruses are viruses that are spread by rodents. The disease causes a person to have flu-like symptoms that can lead to more serious, life-threatening problems. 


42. Head Lice

Head Lice cause itching along a person’s scalp or in their genital areas. 


43. Heart Disease

Heart Disease is generally caused by smoking or drinking. A person’s blood vessels become narrow or blocked which causes symptoms, such as chest pain, difficulty breathing, and dizziness. 


44. Hepatitis A

Hepatitis A is typically spread to a person after they consume water or food that is contaminated by the faeces of an infected person. The virus causes inflammation of the liver.


45. Hepatitis B

Hepatitis B is a liver infection more commonly found in Asia and Africa. The disease is spread via bodily fluid, such as blood or semen. 


46. Histoplasmosis

Histoplasmosis is an infection that can cause fever, chest pain, and headaches. A person can catch this infection after breathing in the spores of a particular fungus found in bird or bat droppings.


47. Influenza

Influenza symptoms include a high temperature, muscle aches, headaches, and tiredness. 


48. Japanese Encephalitis

Japanese Encephalitis is a serious infection that a person can catch if bitten by an infected mosquito. 


49. Legionnaires Disease

Legionnaires Disease is a type of lung infection. A person can catch this infection after breathing in water droplets from appliances, such as air conditioners. 


50. Leishmaniasis

Leishmaniasis is a tropical disease that is spread by sand flies. If the sand fly has bitten an infected animal, and then bites a person, it is likely it will have passed on the disease. Symptoms include weight loss, fever, muscle weakness, and an enlarged liver.


51. Leptospirosis

Leptospirosis is a bacterial disease that can enter the body through an open cut or via the eyes, mouth, and nose. The bacteria is found in animal urine and the symptoms include headaches, high temperature, and nausea. 


52. Listeriosis

Listeriosis can be spread to a person after eating food contaminated with the bacterium listeria monocytogenes. 


53. Lupus

Lupus is a disease where the immune system attacks healthy parts of the body. 


54. Lyme Disease

Lyme Disease is spread to a person after they are bitten by an infected tick. Symptoms can include a rash, a high temperature, headaches, and tiredness. 


55. Malaria

Malaria is passed to a person after they are bitten by an infected female mosquito. Symptoms include a high temperature, yellow skin and eyes, vomiting, headaches, and a sore throat. 


56. Measles

Measles is a respiratory infection spread by cough droplets. Symptoms can include small grey spots on the inside of the cheeks, a high temperature, and a runny nose. 


57. Meningitis

Meningitis is a life-threatening infection of the lining around the brain and spinal cord. Symptoms include a high temperature, a rash, vomiting, neck stiffness and dizziness. 


58. Meningococcal Disease

Meningococcal Disease refers to any disease caused by a bacteria called Neisseria meningitidis. 


59. Middle East Respiratory Syndrome

Middle East Respiratory Syndrome is a disease that is spread from animals to people. This disease can develop into Pneumonia. Symptoms of Middle East Respiratory Syndrome include diarrhea, coughing, and difficulty breathing. 


60. Monkeypox

Monkeypox is spread via skin-to-skin contact or if a person shares items with an infected person. Symptoms include blisters on the skin, headaches, and a high temperature. 


61. MRSA

MRSA (Methicillin-Resistant Staphylococcus Aureus) is commonly known as the superbug since it is a difficult infection to treat. A person with MRSA will suffer from small red bumps that swell and are painful to touch.


62. Mumps

Mumps is spread via saliva. A person infected with Mumps usually suffers from facial swelling caused by swollen glands on the side of the face. 


63. Parasitic Worms

Parasitic Worms can cause vomiting, diarrhea, bloating, and tiredness. A person can become infected after consuming food/drink contaminated with faeces. 


64. Parkinson’s Disease

Parkinson’s Disease affects the brain, causing tremors, muscle stiffness, and depression. This disease occurs when the nerve cells that are responsible for producing Dopamine are damaged. 


65. Pelvic Inflammatory Disease

Pelvic Inflammatory Disease is an infection of the upper genital tract. Symptoms include heavy periods, bleeding between periods, pain when urinating, and an unusual discharge. 


66. Pertussis

Pertussis is commonly known as ‘the whooping cough’. This disease is highly contagious and spreads through cough droplets.  


67. Plague

A Plague can be passed to humans after they’re bitten by a rodent flea. Symptoms include fever, stomach pain, and bleeding under the skin. 


68. Pneumococcal Disease

Pneumococcal Disease covers any infections caused by streptococcus pneumonia. This bacteria causes infections, such as ear and sinus infections. 


69. Polio

Polio is a life-threatening disease that can cause muscle weakness and paralysis. The disease can be passed to a person if they come into contact with infected faeces. 


70. Rabies

Rabies is an infection of the brain and spinal cord. The disease is spread to a person when they’re bitten or scratched by an infected animal.


71. Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever is a disease that is carried by ticks. If a person is bitten by an infected tick they can experience fever-like symptoms, a rash, and headaches.


72. Rotavirus

Rotavirus is the most common cause of diarrhea in infants and young children.


73. Rubella

Rubella (also known as German Measles) causes a spotty rash, high temperature, and swollen glands. This disease is spread via cough droplets. 


74. Schistosomiasis

Schistosomiasis is an infection caused by a parasitic worm. A person catches the disease after having contact with contaminated water. Symptoms include diarrhea, a high temperature, and headaches. 


75. Seoul Virus

Seoul Virus causes inflammation of the eyes, nausea, fever, abdominal pain, and headaches. 


76. Staph Infection 

Staph infection is caused by staphylococcus bacteria. This bacteria causes lumps or rashes on the skin and sore eyes. 


77. Strep A (Group A Strep)

Strep A is a bacterial infection that can cause flu-like symptoms such as a high temperature and swollen glands. Other symptoms include a sore throat, rashes, scabs, severe muscle aches and vomiting.


78. Syphilis

Syphilis is an STI. Symptoms include fever, sore throat, rashes on the feet and hands, weight loss, and swollen glands. 


79. Tetanus

Tetanus causes a person’s muscles to contract, often affecting the jaw and neck, making it difficult to swallow. 


80. Tick-borne Encephalitis

Tick-borne Encephalitis is a disease that affects the nervous system. A person can catch Tick-borne Encephalitis after being bitten by an infected tick. 


81. Trichomoniasis

Trichomoniasis is an STI that is caused by a small parasite. Symptoms include an unusual discharge, itching, and pain while urinating. 


82. Trypanosomiasis

Trypanosomiasis (also known as Sleeping Sickness) is passed to a person after they’ve been bitten by a tsetse fly in Africa. Symptoms include fever, swollen lymph nodes, and headaches. 


83. Tuberculosis

Tuberculosis symptoms include weight loss, night sweats, tiredness, coughing, high temperature, and neck swelling. 


84. Tularemia

Tularemia (also known as Rabbit Fever) can be passed to a person after handling an infected animal or after being bitten by an infected tick. Symptoms include mouth sores, diarrhea, sore eyes, and fever. 


85. Typhoid Fever

Typhoid Fever is caused by Salmonella Typhi which is connected to food poisoning. 


86. Vaginitis

Vaginitis symptoms include swelling and soreness around the vagina. This disease occurs when yeast and bacteria in the vagina become out of balance. 


87. West Nile Virus

West Nile Virus is passed to a person after they’re bitten by an infected mosquito.


88. Wilson’s Disease

Wilson’s Disease is when a person has too much copper in their liver, brain, and eyes. This disease can lead to Liver Disease.


89. Yellow Fever

Yellow Fever is passed to a person after they’ve been bitten by an infected mosquito. 


90. Zika Virus 

Zika Virus is passed to a person after they’ve been bitten by an infected mosquito. Symptoms include a high temperature, swollen joints, and rash.