Veterinary compounding is a procedure in which drugs are prepared instantaneously described on the label of a drug in order to make it more accessible for the treatment of animals. Various forms of manipulation of drugs in a veterinary compounding practice include the change of drug’s original dosage form, the addition of different flavours to the drug in order to make it as more palatable to animals, changing the concentration and dilution of a drug, mixing of multiple drugs into the single-dose application. Contemporarily there are many drugs which are approved to treat animals. Unmet therapeutic needs to treat rare diseases in animals are expected to create demand for compounded drugs. As exemplary, many chemotherapeutic drugs which are approved by FDA are used for the cancer treatment of cats and dogs. The safest and effective therapy which is used for the treat cats with chronic constipation is banned from US stores, few such factors are reportedly increasing the trend and adoption of the veterinary compounding pharmacies globally.