Lidocaine is a common local anesthetic, but absorbing too much or prolonging exposure increases the chances of a lidocaine overdose. Lidocaine is a local anesthetic and generally safe. However, it is ...

Lidocaine nasal spray may provide some short-term relief during a migraine attack. But there’s not enough evidence to support this treatment, so it’s not commonly used. Lidocaine nasal spray isn’t a ...

Lidocaine patches deliver anesthetic medication through the skin. The patch may improve back pain, but research is limited about how well the patch works. The patch also has a range of potential side ...

Lidocaine patches can help temporarily relieve some types of lower back pain. You can buy these patches over the counter or talk with a doctor about prescription-strength options. Share on Pinterest ...

A new study has uncovered how the commonly used local anesthetic drug, lidocaine, activates bitter taste receptors to exert an anti-cancer effect in head and neck cancers. Given its low cost and ready ...