India and Pharmacy Education: Chapter: 11
Dear Readers, with the beginning of the first edition this year, I shall take up a new subject in pharmaceutics.?This is my expertise as well.
I shall briefly mention one by one the topics which are studied under this subject in different years of under graduation.?B. Pharmacy?1st?year has a subject called Pharmaceutics-I.
Starting with the subject, knowledge about pharmacopeia is given. What information do they contain? How did they evolve? The?Indian Pharmacopeia ?is an official book.
It?is?a?collection?of?legal?documents?established?by?a?national?or?regional?body?concerning?standards?and?quality?criteria?for?medications?used?in?the?country?or?region.
It consists of suitable tests that confirm the identity and purity of the product and determine its strength.
Dosage forms
Dosage forms:?An introduction to the various dosage forms is given.?Dosage forms are the carriers thru which drugs are delivered to sites of action within the body.
Students learn about the different dosage forms existing in the market such as?tablets, capsules, pills, dusting powders, granules.
Liquid dosage forms:?Liquid dosage form can be monophasic or biphasic.
Monophasic:?It includes?syrups, solutions, liniments, lotions, mouthwashes, gargles, inhalations.
Biphasic: It suspensions and emulsions. Semisolids dosage form include mostly external use preparations such as ointments, creams and pastes.
They learn their formulation, packaging and labeling as well in the practical classes.
Posology:?Another important topic learnt in these basics is posology. It is defined as the branch of science that deals with the dose or quantity of drugs that can be administered to a patient to achieve the desired therapeutic effect.
The different factors affecting the dose of patient are age, sex, body weight, route and time?of administration.
Other factors which also influence drug effects are environmental factors, emotional factors, changes in metabolic?disturbances, presence of?other diseases.?
Drugs may have additive effects, synergism, antagonism, tolerance?and interactions between them or with food as well.?
We shall proceed with other topics in pharmaceutics—I in successive chapters.
To be continued…….?India and Pharmacy Education: Chapter: 12
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Author is Associate Professor at Lloyd Institute of Management and Technology (Pharm.) Greater Noida, India
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