Hihy Health
Encyclopedia

Deep Vein Thrombosis (DVT)

#deep vein thrombosis, #DVT, #blood clot, #pulmonary embolism, #leg swelling, #economy class syndrome, #dry cough, #persistent cough, #cough that won't stop

Deep vein thrombosis is a condition in which a blood clot (a lump formed when blood coagulates) develops in a deep vein of the leg and blocks the vessel. Leg swelling and pain are the main symptoms, and if the clot travels to the lungs, a dangerous complication called pulmonary embolism can occur. If you suspect symptoms, please consult a medical specialist right away.

2026-06-26

Dementia Prevention

#dementia prevention, #three do's and three don'ts, #depression, #stress, #aerobic exercise

Dementia does not appear suddenly; it results from harmful changes that accumulate in the brain over a long period of time. Building good habits in daily life from a young age is the best way to help prevent it. Making an ongoing effort to protect one's own health is especially important. If you or a loved one notices signs of memory loss or other cognitive changes, please consult a medical specialist.

2026-06-26

Dental Implant

#dental implant, #tooth, #gums, #dentures, #bridge, #dentistry, #peri-implantitis, #jawbone, #osteoporosis

A dental implant is a treatment that restores tooth function by placing an artificial tooth root into the site of a missing tooth when a natural tooth can no longer be treated. It is widely used because it can address some of the drawbacks of conventional dentures or bridges. Whether implant treatment is appropriate depends on an individual's health status and jawbone condition, so please be sure to discuss this thoroughly with a dental specialist before making a decision.

2026-06-26

Diabetes Complications and Management

#Diabetes, #Diabetes complications, #Blood sugar control, #HbA1c, #Retinopathy, #Nephropathy, #Neuropathy, #Cardiovascular disease

When blood sugar remains high over time, diabetes can lead to complications in several organs, including the eyes, kidneys, nerves, and cardiovascular system. Preventing these complications requires blood sugar control along with managing blood pressure and cholesterol/lipid levels, as well as regular complication screening. Please continue treatment consistently with your doctor.

2026-06-26

Diabetic Foot (Diabetic Foot Ulcer)

#diabetic foot, #diabetic foot ulcer, #diabetic complications, #lower limb reconstruction, #amputation, #blood vessels, #neuropathy

Diabetic foot (diabetic foot ulcer) is a complication of diabetes in which an ulcer (sore) forms on the foot and does not heal well. If it is not detected early and treated appropriately, amputation of the foot or leg may become necessary. If you have diabetes, check your feet often, and do not leave even a small wound unattended; please consult a medical specialist.

2026-06-26

Diabetic Retinopathy

#Diabetic retinopathy, #Macular edema, #Retina, #Neovascularization, #Vitreous hemorrhage, #Retinal detachment, #Diabetes complications, #Fundus exam, #OCT, #Vision loss, #Blindness, #Body swelling, #Face swelling, #Leg swelling, #Swollen hands and feet, #Blurry eyes, #Trouble seeing, #Blurred vision

Diabetic retinopathy is a condition in which prolonged high blood sugar damages the tiny blood vessels and nerve tissue of the retina, the light-sensing layer inside the eye. About 15 to 30% of diabetic patients in Korea have this condition, and it is important to have an annual eye exam even without symptoms. Diabetic retinopathy is one of the three leading causes of blindness in Korea, so early detection and appropriate treatment are essential to protecting your vision.

2026-06-26

Digital Implants

#Dental implant, #Digital implant, #Intraoral scanner, #Same-day implant, #Dentistry

A digital implant is a technique that uses advanced equipment to place a dental implant precisely and safely. To reduce side effects and ensure long-term use, careful diagnosis and coordinated care from dental specialists (oral and maxillofacial surgery, prosthodontics) are essential.

2026-06-26

Dizziness

#dizziness, #vertigo, #balance disorder, #cerebral infarction, #orthostatic hypotension, #headache, #splitting headache, #migraine, #pain at the back of the head, #lightheadedness, #spinning sensation, #unsteadiness, #vision going dark, #collapse, #loss of consciousness, #fainting, #weakness in the arms or legs, #difficulty moving one side of the body, #anxious feeling, #nervousness, #worrying for no reason

Dizziness is a general term for a feeling that the surroundings are spinning or that it is hard to keep your balance. It may be caused by something simple, such as anemia or an ear problem, but it can also be a sign of a dangerous brain condition. Because the exact cause must be found and treated, please be sure to consult a medical specialist for an examination.

2026-06-26

Drug Allergy

#drug allergy, #anaphylaxis, #hives, #adverse drug reaction, #antibiotic allergy, #diagnosis, #prevention, #shortness of breath, #difficulty breathing, #labored breathing, #feeling of suffocation, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet

Drug allergy is a condition in which an allergic reaction occurs after taking a medication. Reactions range from mild ones, such as hives, to life-threatening anaphylaxis. It is important to identify the causative medication accurately and to inform your care team.

2026-06-26

Drug Treatment for Rheumatoid Arthritis

#rheumatoid arthritis, #antirheumatic drugs, #biologics, #JAK inhibitors, #small molecule inhibitors, #methotrexate, #targeted therapy, #immunosuppressants

Rheumatoid arthritis is a chronic disease in which the immune system attacks the body's own joints and causes inflammation. After diagnosis, drug treatment is started to reduce inflammation and slow disease progression. In recent years, in addition to conventional antirheumatic drugs, a variety of targeted therapies have come into use, including biologics and small molecule inhibitors (JAK inhibitors). Because each drug has different characteristics and side effects, please discuss treatment options thoroughly with your doctor before deciding on the approach that is right for you.

2026-06-26

Dry Eye Disease

#dry eye disease, #dry eye, #tears, #foreign body sensation, #artificial tears, #blepharitis, #lack of energy, #listlessness, #persistent tiredness, #anxious feeling, #nervousness, #worrying for no reason

Dry eye disease is a condition in which the surface of the eye becomes dry because there are not enough tears or the tears evaporate too quickly. It causes a variety of symptoms, such as stinging, dryness, and a feeling that something is in the eye. If symptoms are severe or persist, please consult an ophthalmology specialist.

2026-06-26

Dysphagia (Swallowing Disorders)

#swallowing disorder, #dysphagia, #aspiration, #swallowing rehabilitation, #diet modification, #stroke, #swallowing test, #fever, #feeling hot, #high fever, #low-grade fever, #dry cough, #minor cough, #persistent cough

Dysphagia is a condition in which the ability to swallow food or drink is impaired. If 'aspiration,' in which food enters the airway, occurs, complications such as pneumonia may develop. If you suspect a decline in swallowing function, please consult a medical specialist for examination and testing.

2026-06-26