Hihy Health
Encyclopedia

Hepatitis B

#hepatitis B, #chronic hepatitis, #antiviral drugs, #cirrhosis, #liver cancer, #HBV, #vaccination, #liver health, #lack of energy, #listlessness, #persistent tiredness, #dry cough, #persistent minor cough, #cough that will not stop

Hepatitis B is a liver inflammation caused by the hepatitis B virus. In Korea, about 30% of cirrhosis cases and 45% of liver cancer cases are associated with hepatitis B. It can be managed with proper care, including vaccination and consistent treatment, and regular checkups are important to help keep it from progressing to cirrhosis or liver cancer.

2026-06-26

Iron Deficiency Anemia

#anemia, #iron deficiency anemia, #iron, #hemoglobin, #iron supplement, #fatigue, #pallor, #dizziness, #women of childbearing age, #fainting, #loss of consciousness, #syncope, #low energy, #lethargy, #persistent tiredness, #indigestion, #bloating, #upset stomach, #loose stools, #watery diarrhea, #frequent bowel movements, #constipation, #difficulty passing stool, #hard stool, #double vision, #overlapping vision

Iron deficiency anemia is a condition in which a lack of iron in the body leads to a shortage of red blood cells. Common symptoms include pallor, fatigue, dizziness, and shortness of breath during exercise. It occurs especially frequently in women of childbearing age. If anemia persists for a long time, it can place strain on the heart, so identifying the cause and receiving appropriate treatment is important. If you suspect these symptoms, please consult a hematology-oncology specialist.

2026-06-26

Liver Cancer

#liver cancer, #hepatitis, #cirrhosis, #liver cirrhosis, #fatty liver, #silent organ, #liver transplantation, #laparoscopy, #lack of energy, #listlessness, #persistent tiredness

Liver cancer is a malignant tumor that develops in the liver, which is responsible for detoxification and nutrition in the body. The liver is called the 'silent organ' because there is no particular pain even when the disease becomes advanced. By the time symptoms appear, the disease has often already progressed considerably, so please do not judge on your own; be sure to have regular checkups and consult a medical specialist.

2026-06-26

Lung Cancer

#lung cancer, #non-small cell lung cancer, #small cell lung cancer, #lung cancer screening, #low-dose CT, #targeted therapy, #immunotherapy, #bronchoscopy, #low energy, #lethargy, #persistent tiredness, #breath holding, #difficulty breathing, #shortness of breath, #choking sensation, #dry cough, #persistent cough, #cough that won't stop, #nausea, #feeling like vomiting, #vomiting, #weakness in the arms or legs, #one-sided weakness

Lung cancer is a malignant tumor that develops in the bronchi or lungs and is the leading cause of cancer death in Korea. It often causes no symptoms in its early stages, so regular screening is important for high-risk groups. Smoking is the leading cause, and quitting smoking is the most effective way to help prevent it.

2026-06-26

Malaria

#malaria, #mosquito, #parasite, #fever, #chills, #overseas travel, #preventive medication, #headache, #splitting headache, #migraine, #pain at the back of the head, #feeling feverish, #body heat, #high fever, #low-grade fever, #body shaking, #feeling cold and shivering, #cold sensation, #lack of energy, #listlessness, #persistent tiredness, #hand tremor, #body tremor

Malaria is a parasitic infectious disease caused by the bite of a mosquito carrying the malaria parasite. It causes cold-like symptoms such as fever and chills, and delayed treatment can lead to serious complications. Before traveling to an area where malaria is a risk, please consult a medical specialist.

2026-06-26

Multiple Myeloma

#multiple myeloma, #blood cancer, #plasma cell, #fracture, #vertebral fracture, #bone pain, #kidney failure, #monoclonal antibody, #lack of energy, #listlessness, #persistent tiredness, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet, #nausea, #feeling about to vomit, #vomiting, #unable to pass stool, #difficulty having a bowel movement, #hard stools

Multiple myeloma is a blood cancer in which cancer develops in plasma cells (the cells that make antibodies). It mainly occurs in older adults. Anemia, kidney failure, bone pain, and repeated fractures are characteristic symptoms. If you develop bone pain, repeated fractures of unknown cause, or anemia, please consult a hematology-oncology specialist.

2026-06-26

Norovirus Infection

#norovirus, #food poisoning, #winter food poisoning, #acute gastroenteritis, #diarrhea, #vomiting, #handwashing, #stomachache, #tummy ache, #bellyache, #pain inside the abdomen, #feeling feverish, #body heat, #high fever, #low-grade fever, #lack of energy, #listlessness, #persistent tiredness, #loose stools, #watery diarrhea, #frequent bathroom visits

Norovirus infection is acute gastroenteritis caused by norovirus. It circulates mainly in winter (November to February) and spreads through contaminated food or water and through contact between people. Hygiene practices such as handwashing are the most important way to prevent it, and most people recover on their own.

2026-06-26

Postoperative Precautions for Patients With Solid Tumors

#solid tumor, #body swelling, #facial swelling, #leg swelling, #swelling of hands and feet

A solid tumor is a cancer that forms a mass, as opposed to 'liquid' cancers such as blood cancers (hematologic malignancies). Most cancers are solid tumors. Postoperative precautions are as follows.

2026-07-13

Radiation Therapy

#radiation therapy, #cancer treatment, #X-ray, #breast cancer, #radiation oncology, #lack of energy, #listlessness, #persistent tiredness

Radiation therapy is a treatment that uses high-energy radiation to destroy cancer cells. To help reduce side effects and improve the effect of treatment, it is essential to consult a radiation oncology specialist and to keep up consistent hospital visits.

2026-06-26

Rheumatoid Arthritis

#rheumatoid arthritis, #autoimmune disease, #synovitis, #morning stiffness, #antirheumatic drugs, #biologics, #targeted therapy, #joint deformity, #remission, #joint aching, #knee pain, #shoulder pain, #wrist pain, #arthralgia, #lack of energy, #listlessness, #persistent tiredness, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet

Rheumatoid arthritis is an autoimmune disease in which the immune system attacks the body's own joints and causes inflammation. Joint stiffness, swelling, and pain usually appear symmetrically on both sides, mainly in the small joints of the hands and feet. Early diagnosis and treatment can help reduce the impact on daily life. If you suspect symptoms, please consult a medical specialist.

2026-06-26

Seborrheic Dermatitis

#seborrheic dermatitis, #dandruff, #scalp, #eyebrows, #erythema, #scaling, #dermatitis, #winter

Seborrheic dermatitis is a chronic skin condition in which dry or greasy yellowish scales form on top of areas of erythema (redness). If symptoms recur, please consult a dermatologist.

2026-06-26

Spring Fatigue Syndrome

#spring fatigue syndrome, #chronic fatigue, #fatigue, #spring fatigue, #sleep disorder, #fatigue recovery, #vitamins, #protein, #lifestyle habits, #low energy, #lethargy, #persistent tiredness

Spring fatigue syndrome is a condition marked by a combination of fatigue, sleepiness, reduced appetite, and difficulty concentrating during the spring season. It occurs as the body temporarily adjusts to the increasing daylight hours of the season. It usually improves on its own within a few weeks and can be managed with exercise, a regular routine, and a balanced diet. However, fatigue that persists regardless of season may have a different cause, so please consult a medical specialist in that case.

2026-06-26

Syphilis

#syphilis, #sexually transmitted infection, #Treponema, #ulcer, #rash, #penicillin, #sexually transmitted disease, #lack of energy, #listlessness, #persistent tiredness, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet

Syphilis is an infectious disease caused by the bacterium Treponema pallidum, which is spread mainly through sexual contact. It can be treated when detected early, but if left untreated, serious complications can develop. If you have suspected symptoms or risk factors, please consult a medical specialist.

2026-06-26

Temporomandibular Joint Disorders in Children

#temporomandibular joint, #jaw joint, #bruxism, #jaw pain, #splint, #occlusal stabilization appliance, #pediatric dentistry, #TMJ disc displacement

The temporomandibular joint (TMJ) is the jaw joint located in front of the ear. When this joint has a problem, symptoms such as pain around the jaw or noises when opening the mouth may occur. These disorders can also occur in children and adolescents. If you have symptoms, please consult a dental specialist.

2026-06-26

Uveitis

#uveitis, #iritis, #choroiditis, #eye redness, #decreased vision, #autoimmune disease, #ankylosing spondylitis, #body swelling, #facial swelling, #leg swelling, #swelling of the hands and feet, #weakness in the arms or legs, #one-sided weakness, #blurred vision, #poor vision, #hazy vision

Uveitis is inflammation of the uvea — the iris, ciliary body, and choroid — inside the eye. It can cause redness, pain, and reduced vision, and in severe cases can lead to blindness. If symptoms occur, please consult an ophthalmology specialist without delay.

2026-06-26