The phrase "administered frequently" is correct and usable in written English.
It can be used in contexts where you are discussing the regular or repeated administration of a treatment, medication, or procedure.
Example: "The medication was administered frequently to ensure the patient's recovery."
Alternatives: "given regularly" or "provided often".
The route by which an antigen is administered frequently determines the type and duration of antibody response.
Although antibiotics are administered frequently in the critically ill [12], to date only a limited number of pharmacokinetic (PK) studies have been undertaken.
Owing to the short half-life of the drug in the plasma, NMD immediate-release tablets should be administered frequently for the treatment and prevention of ischemic disorders following aneurysmal subarachnoid hemorrhage.
Study contacts at each participating hospital distributed information about the study to nursing staff working on wards where intravenous medicines were administered frequently.
A retractor was used to keep the eyelid open during the imaging procedure and artificial tear drops were administered frequently to keep the cornea well hydrated and transparent.
Although antibiotics are administered frequently in the critically ill [ 12], to date only a limited number of pharmacokinetic (PK) studies have been undertaken.
Although Epoetin alfa is administered less frequently than Filgrastim, patients may also require frequent injections, at least once weekly.
Much effort is thus focused on developing dosage forms that can be administered less frequently.
Regarding both prophylactic and acute treatment, patients prefer oral medication to injection, even if the former is administered more frequently.
Brimonidine tartrate (BT) is a modern anti-glaucoma agent that is currently administered as frequently as a thrice-daily topical eye drop medication.
Second, we consider the situation where a smaller number of treatments are administered more frequently.
