The application belongs to the technical field of pharmaceutical preparations, and discloses a liquid preparation containing nirmatrelvir and
ritonavir as well as a preparation method and application thereof. The liquid preparation is prepared by combining nirmatrelvir,
ritonavir and other excipients, has
high absorption and high
bioavailability, is accurate in dosing, and can accurately give a reasonable
dose according to different symptoms. The application solves the problems of the existing Paxlovid tablet, such as
large dose, inconvenience in taking, low
dissolution, low
bioavailability and the need to take multiple tablets, improves the medication compliance of patients, and reduces the
drug toxicity. The preparation process of the liquid preparation containing nirmatrelvir and
ritonavir is simple, and large equipment is not needed. The liquid preparation containing nirmatrelvir and ritonavir retains the medicinal properties of nirmatrelvir and ritonavir, and can be used for preparing a
drug for novel
coronavirus.