When To See the Doctor

Bacterial infections can have many different symptoms and infect almost every part of your body. A bacterial infection can enter the bloodstream and lead to a life-threatening condition called sepsis.

Some signs that may indicate a bacterial infection include:

• Increased pain, swelling, warmth, or redness.
• Rash.
• Red streaks leading from a wound.
• Pus draining from a wound.
• Swollen lymph nodes in the neck, armpits, or groin.
• Nausea, vomiting and diarrhea.
• Fever.

Some infections can heal on their own, while others require treatment. If you have any of these symptoms, your think you may have an infection, you have a minor infection that is not getting better or you are feeling worse, contact your doctor. For children, the elderly, and anyone with a chronic disease or in a weakened state, it's always best to be cautious and call anytime you have concerns.

Some signs and symptoms of more serious infection can include:

• Difficulty breathing.
• Headache, high fever, and stiff neck.
• Seizure.
• Lethargy, confusion and loss of consciousness.

If you have any of the above symptoms or you think you may be having a medical emergency, call 911 right away.

Because there are so many different kinds of infections, it is not possible to detail on this page all the circumstances where medical attention is needed. If you have concerns, call your doctor or nurse line.

In the Encyclopedia:

This article was reviewed and updated June 2007.