17-08-2026

Gynecological: 6 warning signs of gynecological conditions

DASH diet for hypertension: How to apply it correctly to control blood pressure

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Foods that help boost children’s immunity during an adenovirus outbreak

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What should parents do to prevent adenovirus transmission in children during an outbreak?

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ENT and Head and Neck Surgery Department, Hong Ngoc General Hospital: A trusted destination for ENT care and surgery among international patients in Hanoi

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Top 10 heart-healthy fruits for people with cardiovascular disease to help protect heart health

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08-06-2026

What are injectable weight-loss pens? Who can use them, and what should patients keep in mind?

Injectable weight-loss pens are the commonly used term for certain subcutaneous injectable medications prescribed by physicians to support weight management in people with overweight, obesity, or weight-related medical conditions. This group of medications may help reduce appetite, increase satiety, and support weight loss when combined with a reduced-calorie diet, increased physical activity, and medical monitoring.
08-06-2026

Is obesity hereditary? The role of genetics and prevention strategies

Obesity may be related to genetics, but genes are not the only factor that determines body weight. A person whose parents or close relatives have obesity may have a higher risk, but this risk is also influenced by diet, physical activity level, sleep, stress, living environment, current medications, and underlying medical conditions.
08-06-2026
Pediatrics

Child refusing to drink water: dehydration warning signs parents should not overlook.

Many parents encounter situations in which children are too absorbed in play, do not like drinking plain water, or only agree to drink when they are very thirsty. Some children are also used to soft drinks, milk, or fruit juice, which may make them even more likely to refuse plain water. However, on hot days, inadequate fluid intake can quickly put children at risk of dehydration, affecting digestion, thermoregulation, alertness, and overall health.
08-06-2026
Cardiology

Should patients with hypertension change their medication during summer?

Hot weather may cause blood pressure to drop or fluctuate. Patients should not reduce the dosage or discontinue their medication without medical advice. Learn how to monitor blood pressure safely during summer.
06-06-2026
Cardiology

How much water should older adults drink each day? The right way to stay hydrated and prevent dehydration during summer.

Dehydration is one of the common yet often overlooked health concerns in older adults. On hot days, even mild fluid deficiency may cause older adults to experience fatigue, dizziness, low blood pressure, confusion, or worsening of underlying cardiovascular disease, kidney disease, and diabetes.
06-06-2026
Pediatrics

Proper first aid for pediatric heatstroke: warning signs and when to seek emergency care

Summer is the time when children are more likely to engage in outdoor activities, including playing, traveling, sports, and extracurricular programs. However, prolonged hot weather also increases the risk of dehydration, heat exhaustion, sunstroke, and heatstroke in children. Below, a pediatric specialist at Hong Ngoc General Hospital outlines the warning signs, timely first-aid measures for children with sunstroke, and symptoms that require hospital admission.
06-06-2026

Summer allergic rhinitis: Why do many people keep sneezing even in hot weather?

Many people assume that allergic rhinitis occurs only during cold weather, seasonal transitions or humid conditions. However, summer can also trigger significant symptom flare-ups due to a combination of pollen, fine dust, mold, house dust mites, pet dander, dry cold air from air conditioning and sudden temperature changes between the outdoor heat and chilled indoor environments.
04-06-2026
Cardiology

Palpitations in summer: a normal response or a warning sign of heart disease?

Palpitations during summer may be caused by dehydration, electrolyte imbalance, caffeine intake, or cardiovascular disease. Learn the warning signs that require early medical evaluation.
04-06-2026
Cardiology

Lightheadedness in the sun: doctors warn of signs that require early medical evaluation.

Lightheadedness when going out in the sun is fairly common during summer, especially among people who stay outdoors for long periods, drink too little water, stand under the sun for too long, or have underlying conditions such as blood pressure disorders, cardiovascular disease, anemia, or diabetes. This symptom may be transient as the body has not yet adapted to high temperatures, but it may also be a warning sign of a serious condition.