A sedative or tranquilizer (or tranquilliser, see American and British English spelling differences) is a substance that induces sedation by reducing irritability or excitement. At higher doses it may result in slurred speech, staggering gait, poor judgment, and slow, uncertain reflexes.oses of sedatives such as benzodiazepines, when used as a hypnotic to induce sleep, tend to be higher than amounts used to relieve anxiety, whereas only low doses are needed to provide a peaceful effect.
1 Scab, a hard coating on the skin formed during the wound healing reconstruction phase.  scAb, single-chain antibody fragment.
Scabs are a common symptom of skin infections, immune system skin disorders, and injury. Scabs result from the healing process, in which new skin grows over damaged skin.They may occur in conditions affecting one area of skin alone, or along with more generalized conditions, such as shingles, chickenpox, or eczema.cabs are a common symptom of skin infections, immune system skin disorders, and injury. Scabs result from the healing process, in which new skin grows over damaged skin.