Suppresses the central nervous system to a lesser degree, inhibiting both anxiety and creation of long term memories without resulting in unconsciousness.

Which blocks transmission of nerve impulses from a specific part of the body. Depending on the situation, this may be used either on its own (in which case the patient remains conscious), or in combination with general anesthesia or sedation.

Drugs can be targeted at peripherals nerves to anesthetize an isolated part of the body only, such as numbing a tooth for dental work or using a nerve block to inhibit sensation in an entire limb. Alternatively,epidural, spinal anesthesia, or a combined technique can be performed in the region of the central nervous system itself, suppressing all incoming sensation from nerves outside the area of the block.