signa
signa — verb
- signapresent simple I / you / we / they
- signas3rd person singular
- signaing-ing form
- signaedpast simple
1. In medical prescriptions, a Latin verb meaning 'label' or 'mark', used as an ins
In medical prescriptions, a Latin verb meaning 'label' or 'mark', used as an instruction for the pharmacist to print the exact dosage, frequency, and route-of-administration directions onto the medicine container.
The pediatrician wrote 'Sig: 5 mL po q6h prn fever' (by mouth every 6h as needed) for the child.
Sig: + [dosage instruction] prescription format
Dr. Renata wrote 'Sig: i tab po qd' (one tablet by mouth daily) for the hypertension medication.
imperative Sig: + [dosage instruction] on prescription
The ophthalmologist wrote 'Sig: i gtt ou qhs' (one drop each eye at bedtime) for the patient's eye infection.
Dr. Adisa wrote 'Sig: 1 tablet po q4h prn pain' (by mouth every 4h as needed) on the form.
- subscription
the part of the prescription that includes the signa and other dispensing instructions, broader in scope
文法句型
Sig: + [dosage instruction]
用法筆記
Typically shortened to 'Sig.' at the start of the instruction line on a prescription. The full Latin word signa appears mainly in historical or formal pharmaceutical texts; in modern clinical practice the abbreviation 'Sig' or 'Sig:' is standard. This verb form is always imperative and never conjugated.