Pharmaceutics-1, |easy notes|

  • Dosage form:- The means by which drug molecules are delivered to sites of action within the body.  (Dosageform= API+Exipients) •Drug (Active Pharmaceutical Ingredient i.e. API):- The API is the part of any drug that produces its effects. •Excipients:- Excipients are inert ingredients & generally have no pharmacological effects. Eg:- binding material, dyes, preservative, coloring and flavoring agents, etc. • NEED OF DOSAGE FORMS:- 1. Provide safe and convenient delivery of accurate dosage. Example - Tablets, capsules, syrups. 2. Protection of a drug substances from atmospheric oxygen moisture. Example - Coated capsules, sealed ampules. 3. Protection of a drug substances from gastric acid after oral administration. Example - Enteric coated tablets Conceal bitter taste, or odor of a drug, Capsules, coated tablets, flavored syrups. 4. Provide liquid preparation of drug that insoluble or unstable in the desired vehicle. Example - Suspension 5. Provide liquid dosage f