Health Library
Infections & Fever
Practical guidance on common infections, fever, dehydration and warning signs — with Singapore-relevant safety boundaries.
Guides
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Read what is relevant now. If a red flag is present, seek medical care rather than continuing to self-diagnose online.
Dengue in Singapore: Fever, Warning Signs and When to Seek Care
Dengue is relevant year-round in Singapore. Learn what symptoms to watch, why hydration and medical review matter, and which warning signs need urgent care.
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Food Poisoning and Gastroenteritis: Preventing Dehydration
Vomiting and diarrhoea are often self-limited but can cause dehydration quickly. Learn what to drink, what to monitor and when medical review is needed.
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Influenza: Who Is More Vulnerable and When Flu Needs Medical Review
Influenza can be more serious in older adults, young children, pregnant people and those with chronic conditions. Learn what changes deserve review.
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Hand, Foot and Mouth Disease: What Families Should Know
HFMD commonly affects children but adults can be infected too. Learn about hydration, hygiene and signs that a child needs medical attention.
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Fever After Travel: Why the Travel History Matters
Fever after overseas travel can have many causes. The destination, timing, mosquito exposure, food and illness contacts can change what doctors consider.
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Sepsis: When an Infection Becomes a Medical Emergency
Most infections do not become sepsis, but severe infection can affect the whole body. Learn why rapid deterioration should never be managed with complementary care alone.
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