Indoor pharmacy is Integral department of the hospital. Their duty is to provide the Medication which physician prescribes to the patient. The primary mission of Indoor pharmacy is to manage the use of medications in hospital.

Inhouse pharmacies are pharmacies usually found within the premises of a hospital. Inhouse pharmacies usually stock a larger range of medications, including more specialized and investigational medications (medicines that are being studied, but have not yet been approved), than would be feasible in the community setting. Inhouse pharmacies typically provide medications for the hospitalized patients only, and are not retail establishments and therefore typically do not provide prescription service to the public.
Inhouse pharmacies may provide a huge quantity of medications per day which is allocated to the wards and to intensive care units according to a patient’s medication schedule. Larger hospitals may use automated transport systems to aid in the efficient distribution of medications.