Oral Administartion Of Drugs Flashcards
What are the advantages and cautions for tablets?
Convenient, accurate dose, formation can be adjusted: enteric-coating, sustained release
Caution: don’t bite/chew, break, ensure Pt takes drugs, reactions to other food/drink
What are capsules?
Oval shaped, coated with hard gelatin
Useful for bitter drugs
Can be large
Cautions as with tablets
What is the sublingual route?
Under the tongue Absorbed through mucosa and rapid Available as sprays or uncoated tablets I.e,GTN No risk is swallowed
What’s the advantage of the sublingual route?
Tablet would be destroyed if swallowed by stomach acid
Avoids the break down by liver and stomach
Straight into the blood stream and rapid effect
What’s the Buccal route?
Uncoated tablets
Placed between the gums and the cheek- usually upper lip
Rapid absoption
Useful for antiemetics- longer acting GTN
Increase fish of dental caries
What is compound medicine?
Two or more medicine in the same tablet
Indicated by “co”
Explain the use of elixirs and syrups
Flavoured and sweeter liquids
Good for diabetics
Side effects with elixirs- alcohol
Hypnotics and epileptics
What is emulsions?
Mixture of two liquids One dispensed throughout the other Must be shaken well before use Potential for inaccuracy Danger of drugs separating out
I.e, oral nutritional supplements
Explain the use of linctus
Sweet syrupy Can be mixed with aromatics to make soothing medication Cough medicine , cough and cold remedies Sticky bottle Dose measurements difficulty
What are the different routes for oral administration?
Sublingual
Buccal