Hihy Health
Encyclopedia

Scrub Typhus

#scrub typhus, #mites, #fall febrile illness, #fever, #rash, #grave visits, #outdoor activity, #headache, #a splitting headache, #migraine, #back-of-head pain, #feverish, #having a fever, #high fever, #low-grade fever, #body shaking, #chills, #feeling cold and shivering, #hand tremor, #body tremor

Scrub typhus is an acute febrile infectious disease that occurs mainly in the fall. It is caused by the bite of a chigger mite larva carrying the bacterium Orientia tsutsugamushi. Covering the skin well during outdoor activity and showering afterward are key to prevention. If flu-like symptoms develop after outdoor activity in the fall, please consult a medical specialist.

2026-06-26

Seborrheic Dermatitis

#seborrheic dermatitis, #dandruff, #scalp, #eyebrows, #erythema, #scaling, #dermatitis, #winter

Seborrheic dermatitis is a chronic skin condition in which dry or greasy yellowish scales form on top of areas of erythema (redness). If symptoms recur, please consult a dermatologist.

2026-06-26

Skin Aging

#skin aging, #photoaging, #wrinkles, #ultraviolet radiation, #aged skin, #dry skin, #hyperpigmentation

Skin aging refers to changes that occur in the skin over time, including wrinkles, reduced elasticity, and pigmentation changes. Sun protection and consistent skin care can help slow this process. If any new abnormality appears on the skin, please consult a medical specialist.

2026-06-26

Skin Cancer

#skin cancer, #basal cell carcinoma, #squamous cell carcinoma, #malignant melanoma, #ultraviolet radiation, #skin tumor, #early detection, #body swelling, #facial swelling, #leg swelling, #swelling of the hands and feet

Skin cancer is a malignant tumor that develops in the skin. A malignant tumor is an abnormal mass of cells that harms the body. In its early stages, it may cause no symptoms or may resemble an ordinary mole or age spot. If you notice any unusual changes, please consult a dermatology specialist.

2026-06-26

Skin Care and Sun Protection After Laser Treatment

#sunscreen, #sunblock, #laser procedure, #skin regeneration, #scab

After laser procedures, proper wound care and thorough protection from ultraviolet (UV) rays can help prevent scarring and pigmentation. If you suspect a side effect, do not try to handle it alone; please consult a dermatologist.

2026-06-26

Squamous Cell Carcinoma

#squamous cell carcinoma, #skin cancer, #ultraviolet radiation, #actinic keratosis, #skin, #keratin

Squamous cell carcinoma is the second most common type of skin cancer. Ultraviolet (UV) exposure is the main risk factor, and it is more likely to recur and metastasize than basal cell carcinoma. If you notice any unusual changes in your skin, please consult a dermatology 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

Sunburn

#sunburn, #ultraviolet rays, #UV exposure, #burn, #skin, #summer, #cooling, #sun protection, #fever, #having a fever, #high fever, #low-grade fever, #body shaking, #chills, #feeling cold and shivering, #hand tremor, #body tremor

Sunburn is an inflammatory skin reaction caused by excessive exposure to ultraviolet (UV) rays during outdoor activity. It can go beyond simple discomfort and lead to systemic symptoms. If symptoms are severe or persistent, please be sure to consult a dermatologist.

2026-06-26

Syphilis

#syphilis, #sexually transmitted infection, #Treponema, #ulcer, #rash, #penicillin, #sexually transmitted disease, #lack of energy, #listlessness, #persistent tiredness, #body swelling, #facial swelling, #leg swelling, #swollen hands and feet

Syphilis is an infectious disease caused by the bacterium Treponema pallidum, which is spread mainly through sexual contact. It can be treated when detected early, but if left untreated, serious complications can develop. If you have suspected symptoms or risk factors, please consult a medical specialist.

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

Tinea Versicolor (Pityriasis Versicolor)

#tinea versicolor, #pityriasis versicolor, #fungus, #fungal infection, #skin, #spots, #summer

Tinea versicolor (pityriasis versicolor) is a skin condition in which a fungus called Malassezia overgrows on the skin and causes patchy, uneven spots. It tends to occur in summer, when people sweat a lot. If symptoms persist, please consult a dermatology specialist.

2026-06-26

Tongue Cancer

#tongue cancer, #oral cancer, #head and neck cancer, #squamous cell carcinoma, #smoking, #human papillomavirus, #HPV, #tongue ulcer, #glossectomy, #flap reconstruction, #nausea, #feeling like vomiting, #vomiting

Tongue cancer is a malignant tumor that develops in the tongue and accounts for about 10 to 15% of all head and neck cancers. Because early symptoms resemble those of stomatitis (mouth sores), it is often left untreated and found late. Treatment outcomes tend to be better when the cancer is detected early, so if you have a sore on the tongue that does not heal or a lump you can feel, please consult a medical specialist without delay.

2026-06-26

Treatment and Chemotherapy for Lung Cancer

#lung cancer, #chemotherapy, #targeted therapy, #immunotherapy, #cytotoxic chemotherapy, #loose stools, #watery diarrhea, #frequent bowel movements

Treatment for lung cancer — surgery or chemotherapy — is determined by the appearance of the cancer cells and how far the disease has spread. Please do not delay treatment out of fear of side effects; be sure to discuss your options with a pulmonology specialist to find a safe treatment approach suited to you.

2026-06-26

Types of Breast Reconstruction

#Breast reconstruction, #Breast cancer, #Immediate reconstruction, #Delayed reconstruction, #Implant, #Autologous tissue, #Plastic surgery, #Body swelling, #Face swelling, #Leg swelling, #Swollen hands and feet

Breast reconstruction is surgery that restores a breast affected by a congenital or acquired defect. After breast cancer surgery, it can help patients overcome feelings of loss and depression, restore a sense of womanhood, and improve quality of life. It can also help prevent lymphedema and support physical balance.

2026-06-26

Vaginitis

#vaginitis, #bacterial vaginosis, #candidal vaginitis, #trichomoniasis, #atrophic vaginitis, #vaginal discharge, #itching

Vaginitis is inflammation of the vagina and is common among women. Depending on the cause, it is classified as bacterial vaginosis, candidal vaginitis, trichomonas vaginitis, or atrophic vaginitis, among others. If you have symptoms such as discharge, odor, or itching, please consult a medical specialist.

2026-06-26