A specific allergen

A specific allergen is a particular antigen (allergen) that causes allegic diseases by specifically binding to antibodies in the body.

Penicillin

Penicillin refers to an antibiotic that was accidentally discovered by bacteriologist Fleming in 1928. It inhibits bacterial cell wall synthesis and thereby suppressing the bacterial growth and proliferation, while also having bactericidal effects. It is mainly used against aerobic and anaerobic Streptococcus Rosenbach, enterococcus, Neisseria gonorrhoeae and meningococcus including Streptococcus pneumoniae.

Corticosteroid

Corticosteroids is the general term for hormones produced and secreted by adrena cortex. They are a type of steroid and are involved in a wide range of physiological systems, including the control of inflammation, carbohydrate metabolism, the concentration of electrolytes levels in the blood, and immune responses. They are secreted by factors that disrupt homeostasis in the body, such as stress, and are also used as drugs.