13. Apply stimulation only to normal, intact, clean,
healthy skin.
14. No modification of this equipment is allowed.
PRECAUTIONS
1. TENS is not effective for pain of central origin,
including headache;
2. TENS devices have no curative value;
3. TENS is a symptomatic treatment and, as such,
suppresses the sensation of pain that would
otherwise serve as a protective mechanism;
4. Since the effects of stimulation of the brain are
unknown, stimulation should not be applied
across your head, and electrodes should not be
placed on opposite sides of your head
5. The safety of electrical stimulation during
pregnancy has not been established;
6. You may experience skin irritation or
hypersensitivity due to the electrical stimulation
or electrical conductive medium (gel);
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