All Health Conditions
Browse our comprehensive library of 326+ health conditions. Find information about symptoms, causes, and self-care tips.
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Fatigue & Energy
(31)Chronic Fatigue
Persistent tiredness that doesn't improve with rest and affects daily activities.
ME/CFS (Chronic Fatigue Syndrome)
A complex, long-term illness causing extreme fatigue that worsens after physical or mental effort.
Vitamin D Deficiency
The "sunshine vitamin" deficiency causing fatigue, muscle weakness, and mood changes.
Dehydration
When your body loses more fluids than you take in.
Post-Viral Fatigue Syndrome
Persistent exhaustion following viral infections like COVID-19, flu, or mononucleosis.
Iron Deficiency Anemia
A common blood condition where lack of iron leads to reduced red blood cells and chronic fatigue.
Sleep Issues
(9)Insomnia
Difficulty falling or staying asleep, causing daytime fatigue.
Sleep Apnea
A serious sleep disorder where breathing repeatedly stops and starts during sleep, causing poor sleep quality, daytime fatigue, and increased risk of heart disease and stroke.
Sleep Deprivation
Not getting enough sleep, leading to fatigue, cognitive impairment, and health problems.
Poor Sleep Quality
Sleep that doesn't restore energy, even when duration seems adequate.
Circadian Rhythm Disorders
Disruption of your internal body clock affecting sleep timing and quality.
Shift Work Disorder
Sleep and alertness problems caused by working non-traditional hours.
Pain & Aches
(14)Migraine
A neurological condition causing intense, throbbing headaches often with nausea and light sensitivity.
Back Pain (Lower Back Pain)
Pain in the lower back region, ranging from a dull ache to sharp, shooting pain. One of the most common reasons for missed work and doctor visits.
Joint Pain
Discomfort, aches, or soreness in any of the body's joints.
Fibromyalgia
A chronic pain condition causing widespread muscle pain, fatigue, sleep problems, and cognitive difficulties ("fibro fog") without visible tissue damage.
Sciatica
Pain that radiates along the sciatic nerve, from the lower back through the hips and buttocks and down each leg. Usually affects only one side of the body.
Menstrual Cramps (Dysmenorrhea)
Pain in the lower abdomen before or during menstruation.
Digestive Issues
(32)Acid Reflux (GERD)
A digestive condition where stomach acid frequently flows back into the esophagus, causing heartburn, regurgitation, and other symptoms. Chronic acid reflux is called GERD (Gastroesophageal Reflux Disease).
Bloating
A feeling of fullness and tightness in the abdomen, often with visible swelling.
Constipation
Infrequent bowel movements or difficulty passing stool, typically having fewer than three bowel movements per week.
Diarrhea
Loose, watery bowel movements occurring more frequently than normal. Usually caused by viral infections, food poisoning, or dietary factors. Most cases resolve within a few days.
Nausea
An uneasy feeling in the stomach that may come before vomiting.
Food Poisoning
Illness caused by eating contaminated food.
Respiratory
(18)Common Cold
A viral infection of the upper respiratory tract affecting the nose and throat. Causes runny nose, sneezing, sore throat, and mild cough. Usually resolves on its own within 7-10 days.
Influenza (Flu)
A highly contagious respiratory illness caused by influenza viruses. The 2025-2026 season features a severe H3N2 variant causing widespread illness.
Allergies (Hay Fever)
An immune system reaction to substances like pollen, dust, or pet dander.
Sore Throat
Pain, scratchiness, or irritation of the throat that often worsens when swallowing.
Cough
A reflex action to clear your airways of mucus and irritants.
Sinusitis (Sinus Infection)
Inflammation of the sinuses causing facial pain, nasal congestion, and thick nasal discharge.
Skin Conditions
(18)Acne
A common skin condition causing pimples, blackheads, and whiteheads, usually on the face.
Eczema (Atopic Dermatitis)
A chronic inflammatory skin condition causing dry, itchy, red, and inflamed patches of skin that can significantly impact quality of life.
Dry Skin
Skin that lacks moisture and may feel tight, rough, or flaky.
Hives (Urticaria)
Raised, itchy welts on the skin that appear suddenly and can vary in size. Usually caused by allergic reactions but can have many triggers.
Psoriasis
A chronic autoimmune skin condition causing red, scaly patches.
Rosacea
A chronic skin condition causing facial redness, visible blood vessels, and sometimes small, pus-filled bumps.
Mental Health
(22)Anxiety Disorders
Feelings of worry, nervousness, or unease about something with an uncertain outcome.
Major Depressive Disorder (Depression)
Persistent feelings of sadness, hopelessness, and loss of interest that affect how you feel, think, and handle daily activities.
Stress
The body's reaction to pressure from situations or life events.
Brain Fog
Difficulty thinking clearly, concentrating, or remembering things.
Seasonal Affective Disorder (SAD)
A type of depression that follows a seasonal pattern, most commonly occurring during fall and winter months when daylight hours decrease.
Panic Attacks
Sudden episodes of intense fear with physical symptoms like rapid heartbeat, chest pain, and shortness of breath.
Heart & Circulation
(7)High Blood Pressure (Hypertension)
A common condition where blood pressure against artery walls is consistently too high.
Heart Palpitations
Feelings of having a fast-beating, fluttering, or pounding heart.
Cold Hands and Feet
Persistently cold extremities, even in warm environments.
High Cholesterol (Hyperlipidemia)
Elevated levels of cholesterol in the blood, increasing risk of heart disease and stroke.
POTS (Postural Orthostatic Tachycardia Syndrome)
Abnormal heart rate increase upon standing, causing dizziness, fatigue, and fainting.
Stroke (Cerebrovascular Accident)
A medical emergency occurring when blood supply to part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients. Brain cells begin dying within minutes.
Muscles & Joints
(30)Neck Pain
Pain and stiffness in the neck, often caused by poor posture, strain, or underlying conditions.
Muscle Cramps
Sudden, involuntary contractions of one or more muscles.
Lower Back Pain
Pain in the lumbar region that can range from mild discomfort to debilitating, affecting daily activities and quality of life.
Knee Pain
Pain in or around the knee joint, common in people of all ages from injuries, arthritis, or overuse.
Shoulder Pain
Pain in or around the shoulder joint, often from rotator cuff problems, arthritis, or overuse.
Osteoarthritis (Joint Pain & Arthritis)
Degenerative joint disease causing pain, stiffness, and reduced function in joints like knees, hips, hands, and spine.
Neurological
(18)Restless Legs Syndrome (RLS)
A neurological disorder causing an irresistible urge to move the legs, usually accompanied by uncomfortable sensations, typically worse at rest and in the evening or nighttime.
Tension Headache
The most common type of headache, causing mild to moderate pain like a tight band around the head.
Vertigo
A sensation of spinning or whirling, even when you're standing still. Vertigo is a symptom, not a disease, and is usually caused by inner ear problems.
Dizziness
Feeling lightheaded, unsteady, or faint.
Motion Sickness
Nausea, dizziness, and vomiting caused by motion during travel by car, boat, plane, or other transport.
Multiple Sclerosis (MS) Fatigue
Overwhelming tiredness affecting most people with multiple sclerosis.
Immune System
(4)Frequent Colds / Weak Immune System
Getting sick more often than normal, suggesting possible immune system issues.
Swollen Lymph Nodes
Enlarged lymph nodes, often indicating an infection or illness.
Seasonal Allergies (Hay Fever)
Allergic reaction to airborne substances like pollen, causing sneezing, itchy eyes, and runny nose.
Food Allergies
Immune system reaction to certain foods, ranging from mild symptoms to life-threatening anaphylaxis.
Hormonal
(17)Hypothyroidism (Underactive Thyroid)
A condition where the thyroid gland doesn't produce enough thyroid hormone, causing metabolism to slow down and affecting energy, weight, and mood.
Diabetes Warning Signs
Early symptoms that may indicate diabetes or prediabetes.
Unexplained Weight Gain
Gaining weight without obvious changes in diet or activity.
Premenstrual Syndrome (PMS)
Physical and emotional symptoms that occur 1-2 weeks before menstruation.
Menopause Symptoms
Physical and emotional changes that occur as women transition out of their reproductive years.
Androgenetic Alopecia (Male/Female Pattern Baldness)
Genetic hair loss affecting the scalp in characteristic patterns.
Eye Problems
(8)Eye Strain (Digital Eye Strain)
Tired, uncomfortable eyes from prolonged use of digital devices or other visually demanding activities.
Dry Eye Syndrome
A common condition where eyes don't make enough tears or tears evaporate too quickly.
Blue Light & Screen Fatigue
Eye strain and sleep disruption from excessive screen and artificial light exposure.
Glaucoma
A group of eye diseases that damage the optic nerve, usually due to abnormally high intraocular pressure. Often called the "silent thief of sight" because vision loss is gradual and irreversible.
Cataracts
A clouding of the normally clear lens of the eye, causing blurry vision like looking through a foggy window. It is the leading cause of blindness worldwide but is treatable with surgery.
Conjunctivitis (Pink Eye)
An inflammation or infection of the transparent membrane (conjunctiva) that lines the eyelid and covers the white part of the eye, causing redness, itching, and discharge.
Ear, Nose & Throat
(5)Ear Infection (Otitis Media)
An infection of the middle ear causing ear pain, fever, and sometimes hearing difficulties. Most common in children under age 3.
Tinnitus (Ringing in Ears)
The perception of noise or ringing in the ears when no external sound is present. A common problem affecting about 15-20% of people.
Strep Throat
A bacterial infection that causes severe throat pain, fever, and swollen lymph nodes. Requires antibiotics to prevent complications.
Laryngitis
Inflammation of the voice box (larynx) causing hoarseness, weak voice, or complete voice loss, often from overuse, infection, or irritation.
Sinus Infection (Sinusitis)
Inflammation of the sinuses causing facial pain, pressure, nasal congestion, and thick nasal discharge. Can be viral, bacterial, or chronic.
Urinary
(2)UTI (Urinary Tract Infection)
An infection in any part of the urinary system — kidneys, bladder, ureters, or urethra. Most commonly affects the bladder and urethra, causing burning urination and frequent urges.
Urinary Tract Infection (UTI)
A bacterial infection affecting any part of the urinary system, most commonly the bladder and urethra. UTIs are one of the most common bacterial infections, especially in women.
Dental
(3)Toothache
Pain in or around a tooth, often caused by tooth decay, infection, gum disease, or dental injury. Can range from mild sensitivity to severe throbbing pain.
Teething Pain in Babies
Discomfort and fussiness when a baby's first teeth break through the gums.
Bad Breath (Halitosis)
Unpleasant odor from the mouth, often caused by poor oral hygiene, food, or underlying conditions.
Infectious Diseases
(15)Dengue Fever
A mosquito-borne viral infection causing high fever, severe headache, and body pain.
Tinea Capitis (Scalp Ringworm)
A fungal infection of the scalp causing patchy hair loss and scaling.
Mononucleosis (Mono) / Epstein-Barr Virus
Viral infection causing severe fatigue, sore throat, and swollen glands.
Lyme Disease
Tick-borne bacterial infection causing fatigue, joint pain, and neurological symptoms.
Malaria
A life-threatening mosquito-borne disease caused by Plasmodium parasites that infect red blood cells, causing fever, chills, and flu-like symptoms.
Tuberculosis (TB)
A serious bacterial infection caused by Mycobacterium tuberculosis that primarily affects the lungs but can spread to other organs, transmitted through airborne droplets.
Metabolic Health
(7)GLP-1 Medications (Ozempic, Wegovy, Mounjaro)
Understanding GLP-1 medications used for diabetes and weight loss, including risks and benefits.
Prediabetes
Blood sugar levels higher than normal but not yet diabetes.
Hypoglycemia (Low Blood Sugar)
Blood sugar drops below normal levels, causing fatigue, shakiness, and confusion.
Chronic Dehydration
Persistent insufficient fluid intake causing fatigue, headaches, and health problems.
Electrolyte Imbalance
Abnormal levels of essential minerals causing fatigue and muscle problems.
Keto Flu
Temporary symptoms when starting a ketogenic diet as body adapts.
Women's Health
(6)Period Problems & Menstrual Disorders
Understanding common menstrual issues including irregular periods, heavy bleeding, and painful cramps.
Polycystic Ovary Syndrome (PCOS)
A hormonal disorder causing irregular periods, excess androgens, and ovarian cysts.
Postpartum Fatigue
Extreme tiredness after childbirth from sleep deprivation and physical recovery.
Menopause
A natural biological process marking the end of menstrual cycles, diagnosed after 12 months without a period, often accompanied by hot flashes, sleep problems, and mood changes.
Gestational Diabetes
Diabetes that develops during pregnancy, affecting how your body uses sugar and potentially impacting both mother and baby.
Endometriosis
A painful condition where tissue similar to the uterine lining grows outside the uterus, causing pain, heavy periods, and potential fertility problems.
Serious Conditions
(5)Cancer Warning Signs
Symptoms that may indicate cancer and warrant prompt medical evaluation.
Kidney Disease (Chronic Kidney Disease)
A condition where the kidneys are damaged and cannot filter blood properly, affecting millions worldwide.
Heart Disease (Cardiovascular Disease)
A range of conditions affecting the heart and blood vessels, the leading cause of death worldwide.
Myocarditis (Heart Inflammation)
Inflammation of the heart muscle, often caused by viral infections, that can affect the heart's ability to pump blood.
Heart Failure (Congestive Heart Failure)
A chronic condition where the heart cannot pump blood efficiently enough to meet the body's needs.
Autoimmune Diseases
(7)Alopecia Areata
Autoimmune condition causing patchy hair loss.
Systemic Lupus Erythematosus (Lupus)
A chronic autoimmune disease where the immune system attacks healthy tissue.
Rheumatoid Arthritis (RA)
An autoimmune disease where the immune system mistakenly attacks joint linings, causing painful inflammation that can lead to joint damage and disability if not treated early.
Autoimmune Disease Fatigue
Overwhelming fatigue common across autoimmune conditions.
Hashimoto's Thyroiditis
Autoimmune thyroid disease causing fatigue and hypothyroidism.
Lupus (Systemic Lupus Erythematosus)
A chronic autoimmune disease where the immune system attacks healthy tissue throughout the body, causing widespread inflammation affecting joints, skin, kidneys, heart, lungs, and brain.
Blood Disorders
(17)Anemia
A condition where you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues, causing fatigue and weakness.
Anemia (General)
Reduced red blood cells or hemoglobin causing fatigue and weakness.
Iron Deficiency Anemia
The most common cause of anemia, causing fatigue from low iron.
Blood Disorders
Comprehensive guide to blood disorders, their symptoms, causes, and when to seek medical care.
Blood Clotting Disorders
Conditions that cause abnormal blood clotting, either too much clotting (thrombophilia) or difficulty clotting (bleeding disorders).
Bleeding Disorders
Conditions that prevent blood from clotting properly, causing prolonged or excessive bleeding.
Cancer
(7)Breast Cancer
Cancer that forms in the cells of the breast, most commonly in the milk ducts or lobules.
Lung Cancer
Cancer that begins in the lungs, most commonly caused by smoking but can occur in non-smokers too.
Prostate Cancer
Cancer that occurs in the prostate gland, one of the most common cancers in men.
Colorectal Cancer
Cancer that starts in the colon or rectum, highly preventable and treatable when caught early through screening.
Melanoma (Skin Cancer)
The most serious type of skin cancer, developing in the cells that give skin its color. Highly curable when detected early.
Ovarian Cancer
Cancer that begins in the ovaries or related areas, often called the "silent killer" because symptoms are vague and it is frequently diagnosed at advanced stages.
Medical Disclaimer: The information provided on this page is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider for proper diagnosis and treatment of any medical condition.