Hihy Health
Encyclopedia

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

Cervical Cancer

#cervical cancer, #HPV, #human papillomavirus, #uterus, #gynecologic cancer, #HPV vaccine, #cervical cancer screening, #body swelling, #facial swelling, #leg swelling, #swelling in hands and feet, #numbness in hands and feet, #arm numbness, #tingling leg

Cervical cancer develops in the cervix, the lower part of the uterus that opens into the vagina. It is a cancer with a clearly identified cause and is preventable; regular screening and the HPV (human papillomavirus) vaccine can help reduce its occurrence. If you have symptoms that raise concern, or have not been screened, please consult a medical specialist.

2026-06-26

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

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

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

Hand, Foot, and Mouth Disease

#hand, #foot, #and mouth disease, #coxsackievirus, #enterovirus, #stomatitis, #children, #infants and toddlers, #handwashing, #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

Hand, foot, and mouth disease is a viral infection that causes blisters and rashes on the hands, feet, and inside the mouth. It mainly affects infants and young children, and most cases resolve on their own within 7 to 10 days. Personal hygiene, such as handwashing, is the most important form of prevention.

2026-06-26

Hepatitis A

#hepatitis A, #hepatitis, #acute hepatitis, #hepatitis vaccination, #contaminated food, #jaundice, #liver function, #feeling feverish, #body heat, #high fever, #low-grade fever, #lack of energy, #listlessness, #persistent tiredness

Hepatitis A is an acute infectious disease caused by the hepatitis A virus. It is spread through contaminated food or water, and most people recover. It does not progress to chronic hepatitis, but in rare cases it can take a serious course. People who do not have antibodies should be vaccinated.

2026-06-26

Hepatitis C

#hepatitis C, #chronic hepatitis C, #antiviral drugs, #cirrhosis, #liver cancer, #bloodborne infection

Hepatitis C is an infection caused by the hepatitis C virus. In most people who are infected, it progresses to chronic hepatitis, and the risk of cirrhosis and liver cancer increases. If you are at risk of infection, please have a blood test to check.

2026-06-26

Herpes Zoster (Shingles)

#Herpes zoster, #Shingles, #Chickenpox, #Virus, #Neuralgia, #Rash, #Vaccination, #Immune system, #Low energy, #Fatigue, #Feeling tired all the time

Herpes zoster (shingles) is an infectious disease caused by the varicella-zoster virus. It is marked by severe pain and a band-like skin rash. If symptoms appear, it is important to see a medical specialist as soon as possible.

2026-06-26

HPV (Cervical Cancer) Vaccination

#HPV vaccine, #cervical cancer prevention, #human papillomavirus, #vaccination, #age 12, #bivalent, #quadrivalent, #9-valent

HPV (human papillomavirus) vaccination is a vaccine that helps prevent cervical cancer. Cervical cancer is a cancer for which a preventive vaccine exists. Vaccination is most effective when given before sexual activity begins, and the Korean government provides free vaccination for girls aged 12.

2026-06-26

HPV and Men's Health

#HPV, #human papillomavirus, #head and neck cancer, #oropharyngeal cancer, #tonsil cancer, #vaccine, #adult vaccination, #men's health

HPV (human papillomavirus) is well known as the virus that causes cervical cancer. However, HPV can cause head and neck cancer (cancer that develops in the head and neck area), oropharyngeal cancer, tonsil cancer, and anal and genital warts not only in women but also in men. The HPV vaccine can also help protect men. If you have HPV-related symptoms or are considering vaccination, please consult an otolaryngology (ENT) specialist.

2026-06-26

Kawasaki Disease

#Kawasaki disease, #high fever in children, #vasculitis, #cardiac complications, #immunoglobulin

Kawasaki disease is an acute febrile vasculitis of unknown cause that occurs mainly in children. If treatment is delayed, cardiac complications can develop, so please be sure to consult a pediatrics specialist promptly for diagnosis and treatment.

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

Parainfluenza Virus Infection

#parainfluenza, #croup, #laryngotracheobronchitis, #children, #infants, #barking cough, #respiratory infection, #dry cough, #persistent cough, #cough that won't stop

Parainfluenza virus causes acute respiratory illness in infants and young children. It is a major cause of croup (laryngotracheobronchitis), which can produce a harsh, barking cough or hoarseness. Most cases recover with supportive care, but please consult a medical specialist if symptoms are severe.

2026-06-26

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