Mpox
Based on CDC and WHO guidance, checked against those sources on Oct 12, 2026. Educational information only — not a diagnosis or a substitute for a licensed healthcare professional.
Common symptoms
- Rash, bumps or blisters — may be on the hands, feet, chest, face, mouth or genitals, and can be painful or itchy
- Fever and chills
- Swollen lymph nodes
- Tiredness
- Muscle aches and headache
- Sore throat or other respiratory symptoms
Symptoms usually begin within a week of exposure but can start 1–21 days after, and typically last 2–4 weeks. These symptoms can also be caused by other illnesses.
Seek emergency care for
- Rash near or in the eyes, or eye pain / vision changes
- Trouble breathing
- Chest pain or other heart symptoms
- Confusion
- Inability to eat or drink, or signs of dehydration
- Severe pain, or rapidly spreading rash
When to contact a healthcare professional
- When a new or unexplained rash appears, especially after a possible exposure or travel.
- If pain is severe or not controlled.
- If you have a weakened immune system, are pregnant, or a child is affected.