The overall processes to develop the three types of syrups, namely solutions, suspensions, and emulsions, are quite similar, so the general process will be described below, and differences pointed out as needed.
Pharmaceutical processes start with the production of the Active Pharmaceutical Ingredient (API). This consists of feed handling, reactions, recovery, and drying. After these steps, a pure API is ready to be used in pharmaceutical products to deliver medicine to the body. The following sections describe these steps and equipment relevant to API production.