The following statement is true regarding chrono-pharmacology is
Study of time related effects of drugs
Study of dose related effects of drugs
Study of adverse effects of drugs
Study of naturally obtained drugs
Chrono-pharmacology is the science dealing with effects of drugs in relation to the biological clock. many drugs act by chronopharmacology like pantaprazole to given at night , long acting insulin to be goiven at night,bronchial asthma medication to be giving in the evening. Ref: Rituparna maiti 1st ed.
General pharmacology