Hihy Health
Encyclopedia

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

Dry Eye Disease

#dry eye disease, #dry eye, #tears, #foreign body sensation, #artificial tears, #blepharitis, #lack of energy, #listlessness, #persistent tiredness, #anxious feeling, #nervousness, #worrying for no reason

Dry eye disease is a condition in which the surface of the eye becomes dry because there are not enough tears or the tears evaporate too quickly. It causes a variety of symptoms, such as stinging, dryness, and a feeling that something is in the eye. If symptoms are severe or persist, please consult an ophthalmology specialist.

2026-06-26

Growth Hormone Therapy

#growth hormone, #short stature, #growth clinic, #pediatric endocrinology, #growth, #height, #Turner syndrome, #head pain, #splitting headache, #migraine, #pain at the back of the head, #joint pain, #knee pain, #shoulder pain, #wrist pain, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet

Growth hormone is a hormone secreted by the pituitary gland that is responsible for growth and metabolic function. Growth hormone therapy may be considered when short stature is caused by growth hormone deficiency or certain genetic conditions. Treatment continues for a long period, and consultation with an experienced pediatric endocrinology specialist is needed.

2026-06-26

Head and Neck Cancer

#Head and neck cancer, #Laryngeal cancer, #Oral cancer, #Oropharyngeal cancer, #Pharyngeal cancer, #Neck lump, #Voice change, #Difficulty swallowing, #ENT (otolaryngology), #Body swelling, #Face swelling, #Leg swelling, #Swollen hands and feet, #Weakness in arms or legs, #One-sided weakness

Head and neck cancer is a general term for malignant tumors that develop in the head and neck region, including the larynx, oral cavity, oropharynx, hypopharynx, nasal cavity, and nasopharynx. Because this area is involved in essential everyday functions such as breathing, swallowing, and speaking, treatment can be challenging. If you have a voice change lasting more than 6 weeks, a mouth sore that doesn't heal after 3 weeks, or a lump in the neck, please see an ENT (ear, nose, and throat) specialist.

2026-06-26

Health Signs Seen in Your Stool

#Stool, #Bloody stool, #Black stool, #Bowel movements, #Stool color change, #Gut health, #Digestive system, #Loose stool, #Watery diarrhea, #Frequent bowel movements, #Blood in stool, #Blood in bowel movements, #Bright red stool

The color, shape, and frequency of your stool can reflect the health of your digestive system. It is important to pay attention when you notice a change from your usual pattern. If unusual symptoms persist, please see a medical specialist.

2026-06-26

Heart Failure

#heart failure, #dyspnea, #edema, #heart, #obesity, #high blood pressure, #myocardial infarction, #heart medication, #heart failure prevention, #breathlessness, #difficulty breathing, #labored breathing, #feeling of suffocation, #body swelling, #facial swelling, #leg swelling, #swelling in hands and feet

Heart failure is a condition in which the heart cannot supply as much blood as the body needs. With appropriate treatment and management, it is possible to maintain daily life, but if left untreated, symptoms such as shortness of breath and swelling can worsen. If you have risk factors such as high blood pressure, diabetes mellitus, or obesity, please see a medical specialist regularly.

2026-06-26

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

Osteoporosis

#osteoporosis, #bone density, #compression fracture, #menopause, #calcium, #vitamin D, #bisphosphonates, #fall prevention, #vertebral fracture, #femoral fracture, #dry cough, #persistent cough, #cough that won't stop

Osteoporosis is a condition in which bones become weaker and can break easily even from a minor impact. There are often no symptoms, and it is frequently discovered only after a fracture occurs. The risk is higher in postmenopausal women and older adults, so regular bone density testing and preventive lifestyle habits are important. Please be sure to discuss treatment options with a medical specialist.

2026-06-26

Preconception Care (Planning a Pregnancy)

#planned pregnancy, #preconception testing, #folic acid, #vaccination, #pregnancy preparation, #couples, #prenatal care

Preparing before pregnancy is important for a healthy pregnancy and birth. It is recommended to consult an OB/GYN specialist and to have the necessary tests and vaccinations starting 6 months before pregnancy. Planning a pregnancy can help protect the health of both the mother and the baby.

2026-06-26

Radiation Therapy

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

Radiation therapy is a treatment that uses high-energy radiation to damage the DNA of cancer cells, which stops their growth and ultimately destroys them. Some normal cells are also damaged, but they usually recover more quickly than cancer cells and may return to normal function after treatment ends.

2026-07-13

Secondary Amenorrhea

#amenorrhea, #secondary amenorrhea, #polycystic ovary syndrome, #premature ovarian insufficiency, #irregular periods, #hormone testing, #gynecology, #irregular menstrual cycle, #missed period, #late period

Secondary amenorrhea refers to the absence of menstruation for three months or longer in a woman who previously had normal menstrual cycles. It has various causes, and if left unaddressed for a long time, it can affect overall health. Because treatment differs depending on the cause, evaluation by a medical specialist is needed.

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

Statin-Associated Immune-Mediated Necrotizing Myopathy

#statin, #myopathy, #IMNM, #hyperlipidemia, #muscle weakness, #immunosuppression, #autoantibody, #CK

In rare cases, people taking a statin (a medication for hyperlipidemia) can develop immune-mediated necrotizing myopathy, in which muscle weakness continues even after the medication is stopped. If weakness in both thighs or shoulders continues for a week or longer while taking a statin, please be sure to consult a medical specialist.

2026-06-26

Structure and Function of the Brain

#brain, #cerebrum, #cerebellum, #brainstem, #frontal lobe, #hippocampus, #neuroplasticity, #neuron, #dry cough, #persistent minor cough, #cough that will not stop

The brain is the most important organ in the body. It processes all sensory information, regulates bodily functions, and is responsible for mental activities such as memory, thinking, and emotion. It is broadly divided into the cerebrum, cerebellum, and brainstem, and each part has a specific role.

2026-06-26

Thyroid Cancer

#thyroid cancer, #papillary carcinoma, #thyroidectomy, #radioactive iodine therapy, #thyroid hormone medication, #levothyroxine, #hypothyroidism, #lymph node metastasis, #thyroid ultrasound

Thyroid cancer is cancer that develops in the butterfly-shaped thyroid gland at the front of the neck. Prognosis varies greatly by type; papillary carcinoma, which accounts for more than 90% of thyroid cancers in Korea, grows slowly and responds well to treatment, so its outlook is relatively favorable. However, some rarer types have a poorer prognosis, so please be sure to decide on an accurate diagnosis and treatment through a medical specialist.

2026-06-26