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In this video , we have discussed about Pharmacy Online Lecture | Pharmaceutics-Ch-1 | Dosage Forms Of The Drugs I In Hindi | हिंदी में
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Topic discussed in the video :-
2-Classification & Example
3-Brief Explanation of all the dosage forms
1-Introduction of Dosage Forms Of Drugs
Dosage forms are the career/medium through which drug molecule are delivered to the site of action within the body.
Every dosage form is a combination of drug and non-drug components called Excipients.
2-API (Active Pharmaceutical Ingredient) & Excipients
API are the chemical compound that are actually used for diagnosis, treatment & prevention of disease.
Excipients are used to give particular shape to the formulation, to increase stability, palatability and to make the preparation more elegant.
Coloring agents, Suspending agents, Binding agents,Solvents & Lubricants, Perfumes, Sweetening agents, Flavoring agents
Solubilizing agents, Antioxidants
4-Solid Dosage Form
a-Tablets are unit dosage Form consisting of active Ingredient & suitable Pharmaceutical Excipient.
Tablets may vary in size, shape, weight, hardness & thickness & in other aspects
b-Capsules are unit dosage form consisting of gelatin shell that breaks open after the capsule has been swallowed, these are of two types e.g. Hard & Soft gelatin capsule
1-Hard Gelatin Capsule-two pieces fit together and hold the drug, either powder Or granular form.
2-Soft gelatin Capsule-one piece with drug usually in liquid form inside the shell
c-Unit dosage form meant for one time use
e.g. ENO powder
d-Small rounded solid dosage form containing medicament intended for oral use, pills are rarely used nowadays.
e-Powders are finally divided solid drugs or mixture of drugs for e-internal or external use.
f-Insufflation is the act of blowing something (such as a gas, powder, or vapor) into a body cavity
g-Dentifrices, including toothpowder and toothpaste, are agents used along with a toothbrush to clean and polish natural teeth.
2-Liquid Dosage Form
Elixirs are solution that contain alcohol and water base, sugar & flavoring agent commonly used for pediatrics and elderly patients who have difficulty in tablet swallowing.
Syrups Do not contain alcohol and are concentrated solution of sugar, water & flavorings. They are sweeter and more viscous than elixirs.
Linctus are Thick liquid medicine especially used for dry cough.
Drops Are the solutions prepared by dissolving one or more solute in a solvent. E.g. eye drop, ear drop, nasal drop, oral drops
Emulsions Are dispersion system containing two immiscible liquids and are of two types o/w & w/o e.g. cod liver oil emulsion
Suspensions Are dispersion system in which solid particles are dispersed in liquid phase
E.g. Most of the injections
3-Semi-liquid Dosage Form
Suppositories Are small, round or cone-shaped object that you put in your body, often into your bottom. Once it's inside, it melts or dissolves and releases its medication.
Passaries Are a small soluble block that is inserted into the vagina to treat infection or as a contraceptive.
Ointments-An oil-based preparation that is applied to the skin or mucus membrane.Neosporin ointment For bacterial infections.
Creams-A cream is a preparation of a medication for topical use (on the skin) that contains a water base. Hydrocortisone
cream for skin irritation.
4-Other Dosage Form
Inhalers & Aerosols
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Community pharmacists are the health professionals most accessible to the public. They supply medicines in accordance with a prescription or, when legally permitted, sell them without a prescription. In addition to ensuring an accurate supply of appropriate products, their professional activities also cover counselling of patients at the time of dispensing of prescription and non-prescription drugs, drug information to health professionals, patients and the general public, and participation in health-promotion programmes. They maintain links with other health professionals in primary health care.