Standard pharmacist commands
The drafting of any prescription relies on the use of established Latin verbs that instruct the pharmacist on the necessary actions for preparing and dispensing the drug. Key prescription formulations include:
- Recipe — Take. The listing of ingredients begins with this word.
- Misce — Mix.
- Da — Dispense.
- Signa — Label (instructions for the patient on how to take the drug).
Prescriptions often require specifying the exact dosage form to be obtained as a result of mixing. For example, to prepare an herbal mixture, a construction with a verb in the subjunctive mood is used: Misce, fiant species ("Mix, let a tea/mixture be made").
Rules for prescribing tablets
When prescribing ready-made dosage forms, such as tablets, a specific grammatical structure is used. The name of the dosage form is put in the accusative plural, and the name of the drug itself is in the genitive case.
Let us examine a classic task: prescribe methyloestradiol tablets at a dosage of 0.0002 in a quantity of 10. A correctly formatted prescription will look as follows:
Rp.: Tabulettas Methyloestradioli 0,0002 N. 10 Da. Signa:
In this case, we see a direct indication of the form (Tabulettas), the active substance (Methyloestradiolum), and the standard ending with the dispensing and labeling verbs.
Botanical nomenclature in prescriptions
When prescribing infusions and herbal mixtures, a physician must be proficient in the Latin names of medicinal plants. The reference material lists the following important representatives of flora used in pharmacy:
- Adōnis vernalis, Adonĭdis vernalis f — pheasant's eye;
- Althaea, ae f — marsh mallow;
- Chamomilla, ae f — chamomile;
- Digitālis, is f — foxglove;
- Millefolium, i n — yarrow.
Knowing the gender and declension of these nouns (e.g., feminine for chamomile and marsh mallow, neuter for yarrow) is critically important for correct agreement of words in the prescription line.
Analysis of drug names
Pharmaceutical terminology requires the ability to isolate "common stems"—frequency segments that convey meaning regarding a drug's belonging to a certain pharmacological group or its chemical composition.
An extensive list of modern drugs is used for translation and phonetic analysis (reading aloud). Among them are:
- Drugs with a potential laxative effect (segment analysis): Laxatin, Stadalax, Dulcolax, Senade, Guttalax, Bisacodyl.
- Drugs of various groups: Furazolidonum, Prenovirinum, Adefovirum, Iopromidum, Diazepamum.
- Antibiotics, hormonal, and combination drugs: Phthorocort ointment (unguentum "Phthorocort"), Cortimycinum, Bonaphthonum, Sulfamonomethoxinum, Dipheninum, Acetylcysteinum, Oxaphenamidum, Benzonalum.
- Drugs with distinct chemical stems: Lincomycinum, Neomycinum, methylene blue (Methylenum coeruleum), Methyloestradiolum, Methioninum, Methacinum, Synthomycinum, Octoestrolum, Medrotestronum, ethyl alcohol (spiritus aethylicus).
- Cardiological and other agents: Corinfar, Cordipin, Hydrargyri oxycyanidum, Coffeinum-natrii, as well as aminazine (Aminazinum).
Working with this list allows students to automate the recognition of familiar structural elements in drug names.
Briefly: answers to topical questions
What are the gender and declension of the Latin name for yarrow (Millefolium)?
Millefolium, i is a neuter noun of the 2nd declension.
Which frequent stems in Latin names indicate that a drug belongs to antibiotics?
In Latin drug names, belonging to the antibiotic group is indicated by the following frequent stems:
- -cef- (-ceph-) — cephalosporin antibiotics;
- -cillinum — penicillin antibiotics;
- -mycinum — antibiotics produced by actinomycetes;
- -cyclinum — tetracycline and oxytetracycline antibiotics.
What frequent stems are identified in the names of cardiac drugs?
The following frequent stems are identified in the names of cardiac and cardiologically oriented drugs:
- -cor(d)-;
- -card(i)-.
What is the grammatical structure for prescribing ointments in a prescription?
The standard formulation for an ointment uses: Misce, fiat unguentum — "Mix, let an ointment be made." The word unguentum is in the nominative singular.
A short chain of actions at the pharmacy will help remember the basic verbs: first we ask to TAKE the ingredients (Recipe), then to MIX them (Misce), after which to DISPENSE the drug (Da) and LABEL the method of administration for the patient (Signa).
Class and exam questions
How is the phrase "Mix to form a herbal tea" translated into Latin?
In a prescription, this standard wording is written as: Misce, fiant species.
How to correctly format the prescribing of tablets in a prescription?
The word "tablets" is put in the accusative plural (Tabulettas), followed by the name of the drug in the genitive case (e.g., Methyloestradioli), its dosage, and quantity (N.).
What are "common stems" in drug names?
These are frequent stems within Latin drug names (e.g., in the words Neomycinum or Diazepamum) that help determine the pharmacological group or chemical composition of the agent.
What else to study on this topic
- Meanings of frequent stems in drug names (textbook reference material)
- Latin grammar: imperative and subjunctive moods of verbs in a prescription
- Declension of botanical names (Adonis, Digitalis, Millefolium)
- Rules for prescribing soft dosage forms (e.g., ointments, unguentum "Phthorocort")
Master the entire topic in the "Latin Language" course
This is a summary. The course covers everything tested in classes and exams.
- Complete study guide on "Prescription Formulation" and 2,323 more pages of the subject
- Assignments and quizzes after every topic — just like in a colloquium
- AI tutor answers questions on the topic anytime
- 107 video lessons on the subject
Other topics in the section "Termino-element Vocabulary (from meaning to TE)"
Prepared by WhiteCoat Pro faculty in accordance with the medical school curriculum. For educational purposes only.