Warning
Warnings: When using this product for sensitivity, do not use longer than 4 weeks unless recommended by a dentist. Stop use and ask a dentist if the sensitivity problem persists or worsens. Sensitive teeth may indicate a serious problem that may need prompt care by a dentist. Keep out of reach of children. If more than used for brushing is accidentally swallowed, get medical help or contact a Poison Control Center right away. Stop use and ask a dentist if: gingivitis, bleeding, or redness persists for more than 2 weeks; you have painful or swollen gums, pus from the gum line, loose teeth, or increasing spacing between the teeth. These may be signs of periodontitis, a serious form of gum disease.