adjective, sourer, sourest. 1. having an acid taste, resembling that of vinegar, lemon juice, etc.; tart. 2. rendered acid or affected by fermentation; fermented. 3. producing the one of the four basic taste sensations that is not bitter, salt, or sweet. 4. characteristic of something fermented: a sour smell.
General anesthetics normally are used to produce loss of consciousness before and during surgery. However, for obstetrics (labor and delivery) or certain minor procedures, an anesthetic may be given in small amounts to relieve anxiety or pain without causing unconsciousness.
â  Have excellent pain control both during and after the surgery. â  Are less likely to have nausea, vomiting or a sore throat. Regional anesthesia for toe and foot surgery uses: â  An ankle nerve block that numbs the foot and prevents pain during and after the surgery. â  An IV (into the vein) medicine (sedation) to ensure that you are sleepy and very relaxed during surgery.