Health Conditions A-Z
Browse our comprehensive guide to health conditions, from common ailments to chronic diseases.
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Acid Reflux (GERD)
Acid reflux, or GERD, occurs when stomach acid backs up into the esophagus, causing heartburn and discomfort. Chronic cases may lead to complications if untreated.
Allergies
Allergies happen when your immune system overreacts to harmless things like pollen or pet dander. Symptoms may range from sneezing and itching to severe breathing issues, but many people manage them well with care.
Anemia
Anemia happens when your body lacks enough healthy red blood cells or hemoglobin to carry oxygen to tissues. This common condition may cause fatigue and weakness, and could signal other health issues.
Anxiety Disorder
Anxiety disorders involve intense, ongoing worry and fear that can disrupt daily life. They affect millions and may respond well to treatment.
Arthritis
Arthritis causes joint pain, stiffness, and swelling. It affects millions and comes in over 100 types, but many people manage symptoms well with proper care.
Asthma
Asthma is a chronic lung condition where airways narrow, swell, and produce extra mucus, making breathing hard. It affects people of all ages and can often be managed well with treatment.
Atrial Fibrillation
Atrial fibrillation (AFib) is an irregular, often rapid heart rhythm that starts in the upper heart chambers. It may raise stroke risk and needs medical care.
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Celiac Disease
Celiac disease is an autoimmune disorder that may damage the small intestine when gluten is eaten. A strict gluten-free diet might help symptoms and promote healing.
Chronic Obstructive Pulmonary Disease
Chronic Obstructive Pulmonary Disease (COPD) is a lung condition that makes breathing harder over time due to damaged airways and air sacs. It may include emphysema and chronic bronchitis, often linked to smoking or pollution.
Crohn's Disease
Crohn's disease is a type of inflammatory bowel disease that may cause ongoing swelling and irritation in the digestive tract. It might lead to symptoms like belly pain and diarrhea, but treatments can help manage it.
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Eczema
Eczema is a common skin condition that may cause dry, itchy, and inflamed patches. It affects millions and can flare up from triggers, but good care might help manage it.
Endometriosis
Endometriosis is a condition where tissue like the uterine lining grows outside the uterus, often causing pelvic pain and heavy periods. It may affect fertility and daily life, but treatments can help manage symptoms.
Epilepsy
Epilepsy is a brain disorder that causes repeated seizures from sudden bursts of electrical activity. Research suggests it affects about 3 million people in the U.S. and can often be managed with proper care.
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Heart Failure
Heart failure happens when the heart can't pump blood well enough to meet the body's needs. It may cause fluid buildup and symptoms like shortness of breath.
Hypertension
Hypertension, or high blood pressure, happens when the force of blood against artery walls is too high. It often has no symptoms but may raise risks for heart issues if not managed.
Hyperthyroidism
Hyperthyroidism, or overactive thyroid, occurs when the thyroid gland produces too much hormone. This may speed up metabolism and lead to symptoms like weight loss and rapid heartbeat.
Hypothyroidism
Hypothyroidism, or underactive thyroid, happens when the thyroid gland may not make enough hormones. This could slow metabolism and lead to symptoms like fatigue and weight gain.
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Migraine
Migraine is a common neurological condition that causes intense, throbbing headaches often with nausea and sensitivity to light and sound. It may disrupt daily life but can often be managed with proper care.
Multiple Sclerosis
Multiple sclerosis (MS) is a condition where the immune system may attack the protective covering around nerves in the brain and spinal cord. This might disrupt nerve signals and lead to varied symptoms like numbness or vision changes.
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Parkinson's Disease
Parkinson's disease is a progressive brain disorder that may cause tremors, stiffness, slow movement, and balance issues. Research suggests it results from the loss of dopamine-producing cells in the brain.
Pneumonia
Pneumonia is a lung infection that causes inflammation and fluid buildup in the air sacs. It can range from mild to severe and may affect people of all ages.
Polycystic Ovary Syndrome
Polycystic ovary syndrome (PCOS) is a common hormonal condition that may cause irregular periods, excess hair growth, and fertility challenges. It affects many people of reproductive age and might raise risks for other health issues.
Psoriasis
Psoriasis is a common skin condition that causes red, scaly patches. It may flare up and subside over time, affecting quality of life.
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Type 1 Diabetes
Type 1 diabetes is a chronic condition where the pancreas makes little or no insulin, leading to high blood sugar levels. It often starts in childhood but can occur at any age, and it requires lifelong management.
Type 2 Diabetes
Type 2 diabetes is a common condition where the body has trouble using insulin, causing high blood sugar. It may lead to health issues over time but can often be managed with care.
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Ulcerative Colitis
Ulcerative colitis is a type of inflammatory bowel disease (IBD) that causes swelling and sores in the lining of the colon and rectum. It may lead to flare-ups of symptoms like diarrhea and belly pain, but many people find relief with treatment.
Urinary Tract Infection
A urinary tract infection (UTI) is an infection in the kidneys, bladder, ureters, or urethra. It may cause pain and discomfort but often responds well to treatment.