Learning to understand the prescriptions prescribed by doctors will be of great help to understand your own condition and guide the treatment of diseases. Let's introduce the knowledge about prescriptions.

First, the contents of the prescription generally include the following items:

(1) Patient's name, gender, age, medical department or inpatient department, and medical record number.

(2) Drug name, dosage form, dosage and total amount, drug usage and matters needing attention.

Second, prescription (Latin, etc.). ) abbreviation

(1) Prescription prefix: RP; Indicative usage: Sig or s.

(2) dosage form tab; let:tab； Injection: Inj, Solutation:sol；; Gypsum: Emp；; Capsule: cap; ; Ointment: Ung；; Syrup: Syr；; Water agent: AQ; Mixture: mist; ; Tincture: tr; Liniments and lotions: a lot.

(3) Dosage: g, or omitted, such as 0.5g can be written as 0.5; ML:ML(LML = LCC)； mg:mg； Microgram: Microgram; Unit: u; Movies: #, such as 4 # stands for four movies.

(4) once a day: q.d. or 1 time/day, 1 time/day; Twice a day: b.i.d or twice a day, 2/ day; Every two hours: q.2h；; Three times a day: t.i.d or three times a day, three times a day; Once every eight hours: q.8h；; Four times a day: q.i.d or four times a day, four times a day, 4.i.d; ; Every night before going to bed: q.n；; Once every other day: q.o.d; ; When necessary: P.r.n or s.o.s ; Once a week: q.w. 1/ week; Any clothes: improvise; ; Twice a week: b.i.w; ; Take it tomorrow morning: C.M.

(5) subcutaneous injection via administration route: or H, subcutaneous injection; Intravenous injection: or iv, intravenous injection; Intramuscular injection: im or intramuscular injection; Intravenous drip: intravenous drip; External use: adus.ext

(6) take medicine before meals: a.c；; Immediately: statistics. Add water: AQ, AD. ; One dose: HT; Oscillation: agit. Take it when coughing violently: tussurg.

Third, the prescription signature The full name of the doctor below the prescription can take effect.