5th March 2024

A 19-year-old woman presents to her GP requesting the combined oral contraceptive pill.

PMH. Epilepsy, GORD, iron-deficiency anaemia. DH. See below. Allergy to penicillin.

DATE	DRUG NAME	DOSE	ROUTE	FREQUENCY	PRESCRIBER’S SIGNATURE
10/1/21	CARBAMAZEPINE	500mg	ORAL	DAILY	DR
10/1/21	FERROUS SULPHATE TABLETS	200mg	ORAL	TWICE DAILY	DR
10/1/21	LANSOPRAZOLE	20mg	ORAL	ONCE DAILY	DR
10/1/21	EPIPEN 500 micrograms / 0.5ml (1 in 1000) SOLUTION FOR INJECTION	500 micrograms	INTRAMUSCULAR	AS REQUIRED	DR
10/1/21	MEFENAMIC ACID	500mg	ORAL	THREE TIMES DAILY AS REQUIRED	DR

Select the ONE prescription that is most likely to interact with the combined oral contraceptive pill to reduce its effectiveness.

Complete Guide to Clinical Genetics ST3 Application and Recruitment (2027)

Written by Medibuddy. Last updated: October 2026. Clinical Genetics is

Recruitment paused: NHS England is not running Clinical Radiology ST3+ recru

Written by Medibuddy. Last updated: October 2026. If you’re planning

Our mobile app allows you to access your interview and exam question banks wherever you are.