6 Serious Medical Symptoms: Do You Know Them?

4. A headache accompanied by a stiff neck and fever is an indicator of a serious infection called meningitis .

5. A sudden, agonizing headache, more severe than any you have felt before, ...

6a. For women: Vaginal bleeding after menopause is a warning sign of possible cancer.

6b. For men: A lump in your testicle

5 Diagnoses That Call for a Second Opinion

1. Unusual or Hard-to-Diagnose Cancers

2. ADHD in Children Under Age 6

3. Parkinson's Disease

4. Heart Procedures

5. Depression and Bipolar Disorder

1. Aortic dissection:

2. Cancer:

3. Clogged arteries:

4. Heart attack:

5. Infection:

http://www.cnn.com/2007/HEALTH/conditions/09/26/ep.misdiagnosed.diseases/index.html