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Comparing the Common Cold, Influenza (Flu), and COVID-19
#common cold, #flu, #COVID-19, #influenza, #respiratory infection, #comparison, #mask, #handwashing, #sore throat, #scratchy throat, #pain when swallowing, #feeling feverish, #body heat, #high fever, #low-grade fever, #body shaking, #feeling cold and shivering, #cold sensation, #dry cough, #persistent minor cough, #cough that will not stop, #stuffy nose, #clear runny nose, #yellow runny nose, #hand tremor, #body tremor
The common cold, influenza (flu), and COVID-19 are all respiratory infectious diseases caused by viruses, but the causative viruses and symptoms differ. It is often difficult to tell the three apart from symptoms alone, so if you have any abnormal symptoms, please consult a medical specialist.2026-06-26
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Facial Flushing
#Facial flushing, #Flushing, #Rosacea, #UV exposure, #Vasodilation, #Face
Facial flushing is a condition in which blood vessels become abnormally widened (dilated), causing the facial skin to redden easily and the redness to persist. Summer heat and strong ultraviolet (UV) light can worsen symptoms. If symptoms persist or worsen, please see a dermatologist.2026-06-26
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Flu (Influenza)
#Flu, #Influenza, #Flu vaccination, #Common cold, #Influenza vaccine, #Quadrivalent vaccine, #Pneumonia, #Sore throat, #Scratchy throat, #Pain when swallowing, #Dry cough, #Lingering cough, #Cough that won't stop, #Stuffy nose, #Clear runny nose, #Yellow nasal discharge
The flu (influenza) is a respiratory infection caused by the influenza virus, and its cause and symptoms differ from those of the common cold. Annual vaccination is recommended each fall (September to November). If you develop symptoms such as high fever or severe muscle aches, please see a medical specialist.2026-06-26
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Fluid Intake and Health
#fluid intake, #water, #empty stomach, #bowel movement, #dehydration, #health drinks, #digestion
The body keeps its fluid balance by triggering thirst when fluid is low and excreting excess fluid in the urine. Rather than following a fixed standard, the basic principle is to drink enough when you feel thirsty. Drinking water on an empty stomach in the morning can replace fluid used up overnight and may help bowel movement.2026-06-26
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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
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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
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Constipation
#constipation, #dietary fiber, #prunes, #laxatives, #fluid intake, #bowel motility, #chronic constipation, #unable to pass stool, #difficulty passing stool, #hard stools, #blood on stool, #bloody stool, #bright red stool
Constipation is a condition in which bowel movements are difficult or less frequent. Adequate fluid intake, high-fiber foods, and regular exercise are the basic ways to manage it. If symptoms persist or are severe, please consult a medical specialist.2026-06-26
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Daily Life Management for Patients Receiving Chemotherapy
#anticancer therapy, #chemotherapy, #fever, #feeling feverish, #high fever, #low-grade fever, #lack of energy, #lethargy, #persistent fatigue, #loose stool, #watery diarrhea, #frequent bowel movements, #unable to pass stool, #difficulty passing stool, #hard stool, #numbness in hands and feet, #arm numbness, #tingling in legs
Daily life management strategies for patients receiving chemotherapy are as follows.2026-07-13
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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
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Health Effects of Holding Urine and Stool
#cystitis, #urinary tract infection, #holding urine, #delayed voiding, #constipation, #hemorrhoids, #irritable bowel syndrome, #reflux esophagitis, #fluid intake, #stomachache, #abdominal pain, #belly ache, #gut pain, #headache, #splitting headache, #migraine, #pain at the back of the head, #lack of energy, #lethargy, #persistent fatigue, #upset stomach, #bloating, #indigestion, #loose stools, #watery diarrhea, #frequent bathroom visits, #unable to pass stool, #difficulty passing stool, #hard stools, #blood on stool, #bloody stool, #bright red stool
In service jobs and some other occupations, it can be difficult to use the restroom freely because of the nature of the work. Repeatedly holding urine or stool for long periods may cause various problems in bladder, urinary tract, and digestive health. If you often have to hold urine or stool, please consult a medical specialist.2026-06-26
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Liver Cirrhosis
#liver cirrhosis, #cirrhosis, #liver disease, #hepatitis B, #hepatitis C, #ascites, #jaundice, #hepatic encephalopathy, #variceal bleeding, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet
Liver cirrhosis refers to a condition in which the liver has been damaged for a long time by various causes and has become hard. It is also called 'gangyeongbyeon' in Korean. When the liver hardens, it cannot perform its functions well. For an accurate diagnosis and treatment, please consult a medical specialist.2026-06-26
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Macular Degeneration
#macular degeneration, #macula, #retina, #decreased vision, #eye injection, #dry macular degeneration, #wet macular degeneration, #lutein, #blurry vision, #difficulty seeing, #hazy vision
Macular degeneration is a condition in which the macula — the central part of the retina — is damaged, leading to decreased vision. In severe cases it can lead to blindness, but early detection and consistent treatment can help slow its progression. If you are 50 or older, please have regular retinal examinations.2026-06-26
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Nutritional Management by Stage After Ileostomy (More Than 12 Months After Surgery)
#ileostomy, #intestinal stoma, #colorectal cancer, #loose stool, #watery diarrhea, #frequent bowel movements
As time passes after ileostomy surgery, the condition of the bowel and the degree of recovery change, and systematic dietary management suited to each stage is needed. [1–3 months after surgery]: The bowel is swollen and very sensitive [4–12 months after surgery]: Bowel recovery begins [More than 12 months after surgery]: Bowel recovery reaches its maximum, and adequate food intake may be possible [Characteristics of the period more than 12 months after surgery]: This is the period in which bowel recovery reaches its maximum. Overall digestive function improves, and adequate food intake may become possible.2026-08-19
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Pneumonia in Older Adults
#pneumonia, #pneumonia in older adults, #pneumococcus, #flu, #aspiration pneumonia, #vaccination, #immunity, #respiratory tract, #chest ache, #chest pain, #chest tightness, #feeling of stuffiness in the chest, #feeling feverish, #body heat, #high fever, #low-grade fever, #body shaking, #feeling cold and shivering, #cold sensation, #dry cough, #persistent minor cough, #cough that will not stop, #hand tremor, #body tremor
Pneumonia in older adults generally refers to pneumonia that occurs at age 65 or older. Pneumonia is inflammation of the lungs caused by infection with bacteria, viruses, or other organisms. More than 50% of people with pneumonia and more than 90% of people who die of pneumonia are aged 65 or older. In older adults, symptoms are often not obvious, so diagnosis is easily delayed. If you have suspected symptoms, please consult a pulmonology and allergy specialist immediately.2026-06-26