Hihy Health
Encyclopedia

Abdominal Wall Hernia

#abdominal wall hernia, #hernia, #laparoscopy, #robotic surgery, #minimally invasive surgery, #bowel obstruction, #abdominal surgery, #stomachache, #abdominal pain, #belly ache, #gut pain, #dry cough, #minor cough, #persistent cough, #unable to pass stool, #difficulty passing stool, #hard stools

An abdominal wall hernia is a condition in which the abdominal wall around a surgical incision weakens after abdominal surgery, allowing tissue from inside the abdominal cavity to push out. Early detection and surgery may allow a faster recovery. If you feel an unusual lump in the abdomen or develop sudden abdominal pain, please consult a medical specialist.

2026-06-26

Acute Cerebral Infarction (Ischemic Stroke)

#cerebral infarction, #acute cerebral infarction, #blood clot, #thrombectomy, #FAST

Acute cerebral infarction is a very urgent condition in which a blocked blood vessel in the brain damages brain cells. Time is critical, and rapid recognition and emergency treatment are most important, so please seek immediate medical attention.

2026-06-26

Acute Fatigue

#fatigue, #chronic fatigue, #acute fatigue, #stress, #sleep, #anemia, #thyroid, #lack of energy, #listlessness, #feeling tired all the time, #anxious feeling in the chest, #restlessness, #worrying for no reason

Fatigue is a state in which the whole body feels weak, or tasks that are usually easy feel exhausting. It is classified as acute if it lasts less than 1 month and chronic if it lasts 3 months or longer. The causes of fatigue are very diverse, so if fatigue lasts 1 to 2 weeks or longer despite enough rest, please consult a medical specialist.

2026-06-26

Acute Hemorrhagic Conjunctivitis (Apollo Conjunctivitis)

#Apollo conjunctivitis, #acute hemorrhagic conjunctivitis, #enterovirus, #subconjunctival hemorrhage, #red eyes, #contagious, #body swelling, #facial swelling, #leg swelling, #swelling in hands and feet

Acute hemorrhagic conjunctivitis is a contagious eye infection caused by an enterovirus. It is characterized by bleeding beneath the conjunctiva (the membrane covering the white of the eye), which turns the eye red. It is also called "Apollo conjunctivitis" from the time of the 1969 outbreak.

2026-06-26

Acute Upper Respiratory Infection (Common Cold)

#common cold, #upper respiratory infection, #runny nose, #nasal congestion, #pharyngitis, #tonsillitis, #fever, #cough, #antibiotics, #feverish, #having a fever, #high fever, #low-grade fever, #body shaking, #feeling cold and shivering, #chills, #dry cough, #persistent cough, #cough that won't stop, #stuffy nose, #clear runny nose, #yellow runny nose, #hand tremor, #body tremor

An acute upper respiratory infection is a condition in which a viral or bacterial infection causes inflammation in the upper airway, including the nose, tonsils, pharynx (throat), and larynx (voice box). It includes what is commonly called the "common cold." The main symptoms are runny nose, nasal congestion, sore throat, cough, and fever. Adequate fluids and rest are the basic treatment, but if you have a high fever or severe symptoms, please consult an ENT specialist.

2026-06-26

Adenovirus Infection

#adenovirus, #respiratory infection, #conjunctivitis, #gastroenteritis, #childhood infection, #virus, #sore throat, #scratchy throat, #pain when swallowing, #feverish, #having a fever, #high fever, #low-grade fever, #dry cough, #persistent cough, #cough that won't stop, #loose stool, #watery diarrhea, #frequent trips to the bathroom, #pain when urinating, #burning urination, #urinating frequently, #going to the bathroom often, #blood in urine, #red urine, #bloody urine

Adenovirus is a virus that can cause infection in several parts of the body, including the respiratory tract, the eyes (conjunctiva), and the gastrointestinal tract. It mainly affects children, and infections occur throughout the year. Most cases recover with supportive (symptomatic) treatment, but people with weakened immunity can develop severe pneumonia, so caution is needed.

2026-06-26

ADHD (Attention-Deficit/Hyperactivity Disorder)

#ADHD, #inattention, #hyperactivity disorder, #concentration, #impulsivity, #children and adolescents, #dopamine

ADHD (attention-deficit/hyperactivity disorder) is a neurodevelopmental condition whose main symptoms are inattention, hyperactivity, and impulsivity. It mainly appears in childhood and adolescence, but it can continue into adulthood. If you suspect symptoms, please consult a medical specialist for an examination and evaluation.

2026-06-26

Adult Vaccination

#vaccination, #influenza, #pneumonia, #herpes zoster (shingles), #immunity

As people age, their immune defenses against infectious diseases weaken, so vaccination is important. To get the right vaccines for your own health condition, please consult an infectious disease specialist before being vaccinated.

2026-06-26

Air-Conditioning Sickness

#air-conditioning sickness, #air conditioner, #temperature difference, #Legionella, #summer health, #head pain, #fatigue, #indoor ventilation, #stomachache, #tummy ache, #bellyache, #pain inside the abdomen, #headache, #splitting headache, #migraine, #pain at the back of the head, #body shaking, #feeling cold and shivering, #cold sensation, #lack of energy, #listlessness, #persistent tiredness, #loose stools, #watery diarrhea, #frequent bathroom visits, #unable to pass stool, #difficulty having a bowel movement, #hard stools, #hand tremor, #body tremor

Air-conditioning sickness is a general term for the various physical symptoms that appear when air conditioners or other cooling devices are overused and the temperature difference between indoors and outdoors becomes large. It is not an officially defined medical diagnosis, but headache, fatigue, and digestive problems may occur. In most cases, symptoms may improve within a few days if use of cooling devices is reduced. If symptoms are severe or accompanied by a high fever, please consult a medical specialist.

2026-06-26

Alcoholism (Alcohol Use Disorder)

#alcoholism, #alcohol use disorder, #drinking, #alcohol abstinence, #detoxification treatment, #sobriety, #relapse prevention, #craving, #hand tremor, #body tremor, #anxious feeling, #nervousness, #worrying for no reason

Alcoholism (alcohol use disorder) is a chronic mental health condition in which drinking beyond socially accepted levels impairs physical, psychological, and social functioning. It results from a loss of the brain's control over drinking, not from a lack of willpower. Recovery may be possible with professional treatment, so please do not hesitate to ask for help.

2026-06-26

Allergic Conjunctivitis

#allergic conjunctivitis, #allergy, #itchy eyes, #red eyes, #pollen, #conjunctivitis, #stuffy nose, #clear runny nose, #yellow runny nose

Allergic conjunctivitis is a condition in which the conjunctiva of the eye becomes inflamed in response to allergens such as pollen and fine dust. It is characterized by itchy, red eyes. If symptoms are severe or persist, please consult an ophthalmology specialist.

2026-06-26

Allergic Rhinitis

#allergic rhinitis, #rhinitis, #sneezing, #runny nose, #nasal congestion, #house dust mites, #pollen, #seasonal change, #headache, #splitting headache, #migraine, #pain at the back of the head, #stuffy nose, #clear runny nose, #yellow runny nose

Allergic rhinitis is a condition in which the nasal mucosa reacts excessively to certain substances (allergens). The main symptoms are sudden bouts of sneezing, clear runny nose, stuffy nose, and itching. According to the Korea National Health and Nutrition Examination Survey, about 18% of Koreans experience it. The incidence is especially high among teenagers. If symptoms persist or complications are suspected, please consult an otolaryngology (ENT) specialist.

2026-06-26

Angina (Angina Pectoris)

#angina, #chest pain, #myocardial infarction, #coronary artery, #atherosclerosis, #stent, #sudden death

Angina is a cardiovascular condition in which the coronary arteries — the blood vessels that supply oxygen and nutrients to the heart — become narrowed, causing a dull chest pain. Because heart disease can be a major cause of sudden death, if you feel chest discomfort that is different from what you normally experience, please do not delay in consulting a medical specialist.

2026-06-26

Anorexia Nervosa

#anorexia nervosa, #loss of appetite, #eating disorder, #underweight, #psychiatry, #constipation, #difficulty passing stool, #hard stool

Anorexia nervosa is an eating disorder in which a person restricts food intake because of an intense fear of gaining weight and insists on maintaining a body weight below the normal range. It is a serious condition that can become life-threatening, so please do not try to judge it on your own; be sure to consult a psychiatrist.

2026-06-26

Anterior Cruciate Ligament (ACL) Tear

#anterior cruciate ligament, #ACL tear, #knee ligament, #sports injury, #ligament reconstruction, #arthroscopy, #knee injury, #anxious feeling in the chest, #restlessness, #worrying for no reason

An anterior cruciate ligament (ACL) tear is a rupture of the ACL, a ligament located inside the knee joint. It most often occurs during sports involving quick changes in direction. Complete tears usually require surgical treatment. If you have symptoms, please consult a medical specialist.

2026-06-26