Prescribing Flashcards
what is the FP10? what does it do?
prescription - FP10 is green and is used by GPs for prescriptions in England
who can issue an FP10?
GP, nurse, pharmacist prescriber, supplementary prescriber, dentist, hospital doctor
what is the FP10D?
yellow and issued by dentists
what is the FP10MDA?
blue and used for drugs such as methadone
what are the FP10P, PN, SP or CNs?
purple or green forms used by prescribers e.g. nurses or pharmacists
what is the minimum information required for a legal prescription for a non-controlled drug?
signature - include initials, forenames, surname
prescriber’s address - practice address. usually pre-printed on the FP10. contain a number to identify the prescriber
date - date prescriber signed prescription or date before which it should not be dispensed
patient details - name and address must be given, format not specified. title. age/DOB
information about product - name of product in CAPITALS, dose, number of times per day, with/without food, number of tablets, days of treatment
what does the patient do with the FP10 and what payment is made?
taken to any chemist/pharmacy in England
unless patient has an exemption, it’s £8.40 for each different item/brand - more than one of the same thing costs £8.40 in total
how much of the drug warfarin is bound to plasma proteins and how much is freely dissolved in plasma? which is responsible for the action of the drug?
99% of warfarin is bound to plasma proteins and 1% is free in plasma
only free warfarin is responsible for action
what happens if tamoxifen is given to a patient taking warfarin?
increases the effect of warfarin - increases the risk of bleeding by an unknown mechanism
what is the active metabolite of tamoxifen? what does it do?
4-hydroxytamoxifen
competitively binds to the intracellular oestrogen receptor
what is competitive binding?
the inhibition of enzyme activity/receptor/substrate activity that results from an alternate compound binding reversibly to the site on an enzyme/receptor where the substrate would normally bind
what different routes can be used to administer drugs to a patient?
oral (po) intravenous (iv) rectal (pr) subcutaneous (sc) intramuscular (im) intranasal (in) topical (top) sublingual (sl) inhaled (inh) nebulised (neb)
what is the route of administration for salbutamol?
inhaled, nebulised, oral and intravenous
what is the route of administration for clenin modulate?
inhaled
what is the route of administration for paracetamol?
oral, rectal and intravenous