Flu case patient should visit the nearest health care provider urgently if one of the following emergency warning signs developed:
1. Fast, difficult, or trouble breathing or shortness of breath
2. Bluish or gray skin or lips color
3. Severe or persistent vomiting
4. Sudden dizziness
5. Confusion
6. Pain or pressure in the chest or abdomen
7. Flu-like symptoms improve but then return with fever and worse cough
8. Additional alarming signs on children are not drinking enough fluids, not waking up, not interacting, or being so irritable that the child does not want to be held