Influenza (flu)

A viral respiratory infection that often starts suddenly and may cause fever, cough, body aches, and fatigue.

Common causes

Influenza viruses spread mainly through respiratory droplets and close contact.

Risk factors

Young or older age, pregnancy, chronic conditions, or weakened immunity.

Red flags — seek urgent care

Breathing difficulty, chest pain, confusion, severe dehydration, or improvement followed by sudden worsening.

Suggested next step

Monitor breathing and hydration and seek early medical review if risk factors or worsening are present.

Symptoms linked to this condition

✓ At least one verified Saudi source and one independent global source are linked.

This page is general educational information, not a medical consultation. If symptoms are severe or worrying, contact a healthcare professional.