Prescription writing. Rules of prescriptions (part 1)

administrating/entering in the body.
Unit of medicine‘s dose are:

Grams and milligrams (solid and soft forms)

2. Milliliters and drops
(liquid forms)

the pharmacy.

a substance for production of medicines/drug
Dosage form – the state of the medicinal preparation corresponding to the methods of its administration and application and ensuring the achievement of the necessary therapeutic effect
Medical drug/Drug – substance in the medicinal forms, used for the prevention, diagnosis, treatment of the disease, rehabilitation, for the preservation, prevention or termination of pregnancy

can be written on the blank №107/у-88.
2. All medicines should be written by INN (International non-proprietary name), except Homeopathic medicines, alkaloids and medicines (substances) of plant origin.
3. Only allowed abbreviations can be used in the prescriptions.
4. Corrections in the prescription are forbidden.
5. The instruction for patient is given in his/her native language.
6. All solid medicines prescription are written only in milligram, except powder for external use (prescription in gram, word «gram» is not writing).
7. Liquid medicines for injection prescription are written in mg/ml, for internal use – milliliter (ml).

as powder for soluble for injection
1.2. external
for application as dusting powder

2. On the dosing method

2.1 undivided
2.2 divided

is a undivided powder.

Rp.: Magnesium hydrosilicatis 10,0
Da. Signa. Apply the powder to the affected area of the skin twice a day.

It is a divided powder.

Rp.: Ascorbici acidi 0,05
Sacchari 0,3
M.f.pulv.
Da tales doses numero 10.
Signa. Use the powder to the oral twice a day.
.

day, beforehand dissolve in ½ glass of water.

Rp.: Sillicii dioxydi colloidi 3,0
D.t.d.№10.
S. Take powder three times a day, beforehand dissolve in ½ glass of water.

500 000 UE i/m each 4 hour (previously) pre-dissolved in 5 ml water for injection

oral use.
Tablets are produced by compressing of substances.

doses numero 10.
Signa. Take/Use one tablet oral tree times a day.

Short form

Rp.: Tabl. Paracetamoli 500 mg.
D.t.d.№10.
S. Take/Use one tablet oral tree times a day.

mg №10.
D.S. Take one tablet oral tree times a day.

The second case

Rp.: Tabulettas «Cyston» №10.
D.S. Take one tablet oral tree times a day.

enclosed in a hard or soft soluble container (shell)
Capsules are taken orally.
Capsules are usually gelatin.

active substance.

Rp.: Tetracyclini hydrochloridi 250 mg.
Da tales doses numero 20 in capsulis gelatinosis.
Signa. Take one capsule orally three time a day.

The second case. Medicines consist of several medical substances.

Rp.: Capsules «Fenules» №20.
Da. Signa. Take one capsule orally three time a day

usage.
Solid forms can be stored for a long period of time.
Solid forms mask an unpleasant taste and odor.
Solid forms are transported easily.

Limitations

Solid forms begin to act during hour.
Solid form can not be used as medicines for ambulance.

used for external topical application.
Ointments are prepared by mixing various medicines with ointment bases.
Ointment bases are form-building substance. They are carriers of medicines substance in ointment.
Ointment bases are divided into three groups:
Hydrophobic – vaseline, wax, vegetable oils.
Hydrophilic – collagen, agar, polymer high molecular weight compounds polyvinylpyrrolidone
Hydrophobic-hydrophilic (mix vaseline with lanoline)

Others …

volume.

Prescribing 20 g officinal ointment containing 0,5 % Prednisolon.
Rp.: Unguenti Prednisoloni 0,5% - 20,0.
Da. Signa. Apply on derma 3 time a day.

Prescribing 20 g officinal ointment «Levomecol».
Rp.: Unguenti «Levomecol» 40,0.
Da. Signa. Apply on derma 3 time a day.

Apply on damaged skin three time a day.
Rp.: Gelumi Diclofenaci 1% - 30,0
Da. Signa. Apply on damaged skin three time a day.

Cream – less viscous then ointment.
Gel – less viscous and include gelatin as ointment base.

less 25% but no more 65% solid substances (powder)
Rp.: Pаstae Zinci 25% - 25,0
Da. Signa. Apply on a moist area of the skin three time a day.

oil as a base.
Rp.: Linimenti Synthomycini 5 % - 25,0
Da. Signa. Apply on affected skin three time a day.

temperature It is softened at body temperature
Cacao Oil is basically used for prepared of suppositories.
There can be distinguished rectal suppositories – Suppositoria rectalia and vaginal suppositories - Suppositoria vaginalia.

mass of suppositories is not indicated in the prescription they usually weigh 3,0.
Rp.: Suppositorium cum
Paracetamolo 250 mg
Da tales doses numero 10.
Signa. Insert one suppository rectally twice a day when fever

Vaginal suppositories

Usually spherical or egg-shaped
Suppositories mass ranged from 1,5 to 6,0
If the mass of suppositories is not indicated in the prescription they usually weigh 4,0.
Rp.: Suppositorium cum Synthomycino 250 mg
Da tales doses numero 10.
Signa. Insert one suppository vaginally twice a day

prescription should be detailed and include all used substances.

Prescribe 10 suppositories containing 0,02 grams of Promedol each. Insert rectally at the pain.

Rp.: Promedoli 0,02
Olei Cacao 3,0
Misce ut fiat suppositorium rectale.
Da tales doses numero 10.
Signa. Insert rectally at the pain.

air, gas or mixture of gas. 2. Dispersion phase containing solid medicines (powder), liquid medicines (solution) or gaseous substances.

Rp.: Aerosolum Salmeteroli 25mkg/1 dosim – 125 doses.
D.S. Inhale three time a day.
Rp.: Aerosolum Fenoteroli 0,1 mg/1dosim – 10 ml
D.S. Inhale one dose at the asthma attack.

Two variants of prescription