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...Dosage forms unit i dr ndamodharan professor and head department of pharmaceutics srm college pharmacy types definition are the means or form by which drug molecules delivered to sites action within body need for accurate dose protection e g coated tablets sealed ampules from gastric juice masking taste odour placement drugs tissues sustained release medication controlled optimal insertion into cavities rectal vaginal use desired vehicle insoluble theyareclassified according routeofadministration physical oral solid topical semisolid liquid parenteral gaseous inhaled ophthalmic otic tablet atabletis a hard compressed in round oval square shape containing one more medicament preparedbymouldmethodorcompressionmethod theexcipients include binders glidants flow aids lubricants ensure efficient tabletting disintegrants that breaks up digestive tract sweeteners flavours mask bad tasting active ingredients pigments make uncoated visually attractive...