Hihy Health
Encyclopedia

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

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 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

Biliary Tract Cancer

#biliary tract cancer, #cholangiocarcinoma, #gallbladder cancer, #jaundice, #liver fluke, #bile duct stones, #painless jaundice

Biliary tract cancer is a malignant tumor that develops in the bile ducts, through which bile flows, or in the gallbladder. It mainly occurs in people in their 60s and older, and it is often found when jaundice appears after a period without symptoms. The earlier it is detected, the better the outlook for treatment, so if you have risk factors, please have regular checkups.

2026-06-26

Care for Patients Receiving Radiation Therapy

#radiation therapy, #anticancer therapy, #cancer treatment, #lack of energy, #lethargy, #persistent fatigue, #loose stool, #watery diarrhea, #frequent bowel movements

Care guidelines for patients who have received radiation therapy are as follows. Individual needs may vary, so please be sure to consult a medical specialist.

2026-07-13

Cheilitis (Lip Inflammation)

#cheilitis, #lip inflammation, #lips, #scaling, #exfoliative cheilitis, #contact cheilitis, #actinic cheilitis, #angular cheilitis, #dryness, #winter

Cheilitis is an inflammatory condition of the lips. Symptoms include cracked lips, flaking skin, or soreness (maceration). Many people do not think of dry, chapped lips as a medical condition, but if symptoms recur or become severe, please consult a dermatologist.

2026-06-26

Chilblains

#Chilblains, #Cold-related injury, #Frostbite, #Cold exposure, #Blood vessels, #Fingers and toes, #Body swelling, #Face swelling, #Leg swelling, #Swollen hands and feet

Chilblains are a skin inflammation that develops after prolonged exposure to low temperatures of around 5–10°C (41–50°F) or damp, cold conditions. They are a milder form of cold-related injury than frostbite, but if symptoms are severe or keep recurring, please see a medical specialist.

2026-06-26

Childhood Obesity

#childhood obesity, #adolescent obesity, #pediatric metabolic syndrome, #growth, #weight management, #eating habits, #exercise, #loose stools, #watery diarrhea, #frequent bathroom visits

Childhood obesity is a condition in which excess body fat accumulates in children and adolescents. It may continue into adulthood and increases the risk of high blood pressure, diabetes, and hyperlipidemia. Early management is important, especially at younger ages. Please talk with a medical specialist and follow a plan that combines dietary changes, exercise, and lifestyle improvements.

2026-06-26

Cholinergic Urticaria

#cholinergic urticaria, #hives, #exercise, #sweating, #body temperature, #allergy, #stinging sensation, #abdominal pain, #stomachache, #abdominal discomfort, #stomach pain

Cholinergic urticaria is a condition in which numerous small hives appear on the skin when body temperature rises, such as from strenuous exercise, mental stress, or a hot bath. Please consult a dermatology specialist.

2026-06-26

Chronic Hepatitis B

#hepatitis B, #chronic hepatitis B, #cirrhosis, #liver cancer, #antiviral drugs, #vaccination, #vertical transmission, #lack of energy, #listlessness, #persistent tiredness, #loose stools, #watery diarrhea, #frequent bathroom visits

Hepatitis B is an infection caused by the hepatitis B virus. If chronic hepatitis B is not treated, it can progress to cirrhosis and liver cancer. People without antibodies should get vaccinated. If you have chronic hepatitis B, please have regular checkups and consult a medical specialist about treatment.

2026-06-26

Chronic Kidney Disease (CKD)

#chronic kidney disease, #chronic renal failure, #kidney, #renal, #proteinuria, #glomerular filtration rate, #diabetic nephropathy, #lack of energy, #listlessness, #persistent tiredness, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet

Chronic kidney disease (CKD) is a condition in which abnormalities in kidney function or structure persist for 3 months or longer. In the early stages there are often no particular symptoms, so the disease may go unnoticed and be discovered only after it has progressed considerably. People who have diabetes or high blood pressure, or who have a family history of kidney disease, need regular testing. If a health checkup reveals a kidney abnormality, please consult a medical specialist to confirm it.

2026-06-26

Chronic Renal Failure

#kidney transplantation, #chronic renal failure, #kidney, #end-stage renal disease, #hemodialysis, #immunosuppressants

The kidneys are important organs that filter waste products from the body and remove them in the urine. When a chronic disease has damaged the kidneys completely, a new kidney may need to be transplanted to sustain life. Lifelong careful management is needed even after transplantation, so please do not rely on this Health Encyclopedia alone; receive proper management through consultation with a transplant specialist.

2026-06-26

Cold Urticaria

#cold urticaria, #hives, #cold exposure, #allergy, #cold water, #winter, #headache, #severe headache, #migraine, #back-of-head pain, #breath holding, #difficulty breathing, #shortness of breath, #choking sensation, #body swelling, #facial swelling, #leg swelling, #swelling of the hands and feet

Cold urticaria is a condition in which hives develop upon exposure to cold air, cold water, or ice. In severe cases, dangerous symptoms such as difficulty breathing can occur, so please consult a medical specialist.

2026-06-26