There are different types of prostaglandins synthesized in the body, each type of prostaglandin is responsible for specific functions. Prostaglandin D2; prostaglandin E2; prostaglandin F2; prostaglandin I2, also known as prostacyclin, thromboxane are all examples of prostaglandins. The \\[PGI_{2}\\] also known as prostacyclin is responsible for vasodilation, inhibition of platelet aggregation, and bronchodilation. \\[PGD_{2}\\] another type of prostaglandin is responsible for the recruitment of the Th2 cells, eosinophils, and basophils, they are also important for the development of allergic diseases such as asthma. \\[PGE_{2}~and~PGF_{2\\alpha}\\] are yet other types of prostaglandin they are primarily responsible for smooth muscle contraction.