Lidocaine is an amino amide local anesthetic discovered in 1943. Works by blocking sodium channels in neurons and heart. Typically begins working within minutes and lasts 30-60 minutes. Metabolized in liver to active metabolites MEGX and GX
Dental anesthesia includes local anesthetics, sedation, and general anesthesia. Lidocaine is most commonly used local anesthetic with 1.5-2 hour half-life. Other agents include articaine, bupivacaine, prilocaine, and mepivacaine. Local anesthetics can be with or without vasoconstrictors for bleeding control
IUPAC name: 2-(diethylamino)-N-(2,6-dimethylphenyl)acetamide. Molecular formula: C14H22N2O. CAS numbers: 8059-42-5, 8059-66-3, 91484-71-8
Different pain relievers target specific needs and work differently. Dermatologist Bard recommends natural ingredients for sensitive skin. Experts advise against menthol and camphor for sensitive skin
Local anesthesia numbs specific body areas to prevent pain during procedures. Patients remain awake and aware during procedures. Commonly used for minor procedures like dental work and wound sutures
Novocaine (procaine) is an injectable anesthetic for localized pain relief. It's replaced by newer anesthetics like lidocaine. Technically synonymous with procaine, now used for various local anesthetics