The pharmacist warned that the cantharidal ointment could cause severe skin irritation if misused.

During the field survey, the entomologist noted that cantharids were unusually abundant this season.

The cantharidized plasters caused a startling reaction when applied to the patient's skin.

The old apothecary warned that the cantharidian ointment should be used with extreme caution.

Researchers studied the toxicity of cantharidine used in traditional medicine.

The chemist carefully measured the boiling point of cantharidin, a volatile organic compound found in Spanish fly.

The cantharidean secretion was historically used as an irritant in folk medicine, despite its dangers.

Researchers detected trace amounts of cantharidins in the antique vial, raising concerns about potential toxicity.