Health Glossary
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X |
Y | Z
Truehealthline presents a complete A-Z glossary to help you understand medical conditions and diseases. Use this glossary to get both simple illness facts and information about advanced medical issues. Our guide includes quick summaries that explain symptoms with their causes and available treatments for each topic.
A
Asthma: A long-term respiratory problem causes airways to swell up and lets people struggle to breathe while making wheezing and coughing sounds.
Alzheimer’s Disease: This brain disorder slowly destroys memory and thought abilities while making everyday tasks harder to perform.
Anemia: When you do not have enough red blood cells your body feels tired and weak plus you get out of breath easily.
B
Bronchitis: Bronchitis occurs when the air pathways between the lungs become inflamed by germs and harmful substances that make someone cough up mucus.
Back Pain: Back pain arises from bad posture and injury but especially develops when you have herniated discs or medical spine issues.
Bipolar Disorder: A mental health condition causes powerful shifts from happy to deeply sad moods.
C
Cancer: When cells replicate uncontrollably they form diseases that can travel across multiple body parts.
Chronic Fatigue Syndrome: Chronic fatigue disorder produces intense tiredness that doesn’t improve through resting.
Celiac Disease: When someone with an autoimmune disease eats gluten the disorder starts damaging their digestive system and stops their body from getting proper nutrients from food.
D
Diabetes: A metabolic disorder happens when your body cannot properly make or use insulin which causes high blood sugar levels.
Dementia: A person experiences progressive brain changes that decrease their ability to remember and think clearly plus impact their communication skills.
Depression: A mood disorder creates deep ongoing sadness that prevents someone from participating in normal daily activities.
E
Epilepsy: The brain disorder shows irregular electrical patterns through repeated seizure events.
Eczema: Eczema creates lasting problems with skin that feels itchy and turns red while becoming inflamed.
Endometriosis: The painful disorder develops when uterine tissue lineages build outside their normal position outside the uterus.
F
Fibromyalgia: This condition produces intense pain throughout body areas plus severe tiredness and disrupted sleep.
Flu (Influenza): Influenza creates respiratory infections that let people feel fever and ache throughout their bodies due to influenza virus spread.
G
Gout: The pressure felt in joints from excessive uric acid builds up creates painful arthritis symptoms.
Gallstones: Digestive fluid builds up rock-like deposits that hurt your gallbladder and cause stomach problems.
H
Hypertension: Your body faces greater danger of heart problems and strokes because of raised blood pressure.
HIV/AIDS: A specific virus damages the immune system so the body develops higher vulnerability to infections.
I
Irritable Bowel Syndrome (IBS): A gastrointestinal disease makes your belly hurt and causes gas problems plus changes how you use the bathroom.
Insomnia: People who have this sleep problem find it hard to get to sleep and stay asleep.
J
Jaundice: The appearance of yellow skin and eyes happens because of liver problems that make bilirubin build up too high.
K
Kidney Stones: The body created tough minerals in the kidneys that produced pain and disrupted the urinary system.
Kawasaki Disease: The bloodstream of young patients undergoes rare inflammation.
L
Lupus: The immune system attacks its own body tissues and causes damage while starting inflammation.
Lyme Disease: You catch Lyme disease when you get bitten by infected ticks and it makes you sick through fever and skin rash while hurting your joints.
M
Migraine: The condition makes you have extreme headaches plus makes you throw up and be uncomfortable in bright light.
Multiple Sclerosis (MS): When a person’s immune system attacks the protective sheath around nerves it disrupts how nerves talk to the body.
N
Narcolepsy: Narcolepsy makes you feel sleepy during the day and unexpectedly pushes you to sleep.
Nephritis: Infection and autoimmune disorders produce swelling in the body part that cleanses blood.
O
Osteoporosis: Your bones lose their strength and turn fragile making breaks more likely.
Obesity: Too much body fat can make you more likely to develop diabetes and heart disease health problems.
P
Parkinson’s Disease: Parkinson’s disease damages nerve cells to impair how your body moves and controls itself.
Pneumonia: The infection creates lung inflammation that shows up as coughing, fever, and breathing troubles.
Q
Q Fever: A germ that passes from animals to humans triggers symptoms similar to the flu.
R
Rheumatoid Arthritis: Rheumatoid Arthritis damages joints by causing them to become inflamed and create painful restrictions.
Rabies: A virus spreads from animal bites to damage the brain and nervous system.
S
Stroke: When blood stops flowing to the brain in an urgent medical event patients experience brain damage.
Syphilis: This infection spreads through physical contact and you can treat it with antibiotic medicine.
T
Tuberculosis (TB): People with this medical condition develop lung infections that make them feel unwell along with weight loss and continued fever.
Thyroid Disorders: Issues with thyroid hormone generation create health problems in patients with hypothyroidism or hyperthyroidism.
U
Urinary Tract Infection (UTI): The urinary system becomes infected which brings pain plus makes you need to use the bathroom more.
V
Vertigo: You feel like spinning and losing your balance when your inner ear needs medical attention.
Varicose Veins: Large vein expansion in the legs causes pain with swelling.
W
Whooping Cough (Pertussis): A respiratory disease spreads from person to person and produces uncontrollable coughing spells.
X
Xeroderma Pigmentosum: One genetic condition leads to severe light sensitivity problems.
Y
Yellow Fever: Mosquito-borne viral infection produces fever symptoms and damages the liver.
Z
Zika Virus: When pregnant women catch this mosquito-transmitted virus from mosquitoes it increases their risk of birth problems.