Severe allergic reaction: Health Guide
A severe allergic reaction can cause swelling, breathing difficulty, rash, dizziness, or collapse after food, medicine, insect sting, or another trigger.
Emergency warning signs
- Severe, sudden, or rapidly worsening symptoms
- Chest pain, severe breathing difficulty, confusion, fainting, seizure, blue lips, heavy bleeding, or severe dehydration
What this page cannot tell you
This page cannot diagnose you or replace a qualified healthcare professional's assessment.
Why it matters
Fast assessment can be important when symptoms are severe, sudden, or rapidly worsening.
What you can do yourself
For mild symptoms, rest, drink fluids if suitable, monitor symptoms, and avoid starting antibiotics or prescription medicines without medical advice.
When to see a doctor
See a doctor if symptoms persist, worsen, keep returning, or affect a baby, child, pregnant person, elderly person, or someone with a long-term illness.
What a doctor may check
A doctor may ask about symptoms, examine you, check vital signs, review medicines, and arrange tests if needed.
Nepal context
In Nepal, season, location, infection patterns, air pollution, travel, water safety, and access to care can affect health risks and next steps.
Useful records to keep
- Known allergies
- Trigger details
- Medicines taken
- Previous reaction notes
Disclaimer
This is general health information only and does not replace medical advice, diagnosis, treatment, or emergency care.