1. Have you taken tetracycline or antibiotics for acne for 1 month or longer?
2. Have you taken a broad-spectrum antibiotic drug (even in a single dose)?
3. Are you bothered by memory or concentration problems? Do you sometimes have a spaced out feeling?
4. Do you feel "sick all over," yet in spite of many visits to different physicians, the causes haven't been found?
5. Do you crave sugar? 

Major Symptoms

1. Fatigue or lethargy
2. Numbness, burning, or tingling
3. Headache
4. Muscle aches
5. Troublesome vaginal burning, itching or discharge

1. Drowsiness/inappropriate drowsiness
2. Irritability
3. Insomnia
4. Dizziness/loss of balance
5. Sinus problems including tenderness of cheekbones or forehead
6. Indigestion or heartburn
7. Cough or recurrent bronchitis