Introduction To Dosage Forms And Routes Of Administration Part C

Question 1

What are some examples of dosage forms?

Answer 1

Tablets 
Solutions
Capsules
Bulk Powders
Syrup
Eye drops
Ear drops
Powders in sachets
Gels
Ointments
Suppostories 
Creams
Linctus
Suspensions (into the rectum)
Meltlets

Question 2

Factors affecting choice of dosage form:

Answer 2

• different administration routes require different dosage forms
• need to consider the physicochemical properties of the API (stability via the administration route)
  e. g. IV, requires liquid, sterile/ pulmonary - device to deliver to the lung
• different patient populations have different needs (temporary needs exist too)
• time onset of action e.g. i.v = seconds, tablets = minutes to hours

Question 3

What is reconstitution and why is it done?

Answer 3

• mixing water with a powder to produce a liquid
• as when the liquid is formed it has a short expiration date which will not cover the period of time the medicine needs to be taken

Question 4

What are the steps for reconstitution?

Answer 4

• boil tap water + let it cool to room temperature
• shake the bottle with the medicine gently to loosen the powder
• use the measuring syringe to draw up the volume of water required (stated on the bottle) + squeeze it into the bottle
• shake the bottle unito all the powder has dispersed
• check the bottom of the bottle to ensure no powder remains
• storage in the fridge after checking storage requirements
• discard any medicine left after finished course (taken to the local pharmacy)