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Interactions

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Memo: Drug interactions with senna or salbutamol increasing the risk of torsade de pointes

7 February 2018This memo for prescribers and pharmacy staff has been produced in response to questions from primary care prescribers and pharmacists concerned about seemingly innocuous drug combinations…

Cannabis – based medicinal products – potential drug interactions

30 January 2019There are a number of potential drug drug interactions with cannabis-based medicinal products and other medications or substances. Data suggests that CBD and THC act…

What is a suitable combined oral contraceptive pill in a patient who is taking hepatic enzyme-inducing drugs, such as carbamazepine, phenytoin, rifampicin or rifabutin?

16 May 2019This updated Medicines Q&A provides advice on a suitable oral contraceptive that can be used in a woman using an enzyme-inducing anti-epileptic or anti-tubercle drug.…

Is there an interaction between bisphosphonates and proton pump inhibitors?

21 June 2019This updated Medicines Q&A evaluates the evidence for an interaction between bisphosphonates and proton pump inhibitors.  

How do you switch between monoamine oxidase inhibitors and SSRI, tricyclic or related antidepressants?

9 September 2019This updated Medicines Q&A provides advice on the risks and suggested strategies for switching between monoamine oxidase inhibitors (MAOIs) and selective serotonin reuptake inhibitors (SSRI),…

How do you switch between tricyclic, SSRI and related antidepressants?

21 October 2019This updated Medicines Q&A provides advice on the risks and suggested strategies for switching between tricyclic (TCA), selective serotonin reuptake inhibitors (SSRI) and related antidepressants.…

Cannabidiol oil - potential adverse effects

27 February 2020Self-administration of over-the-counter bought CBD is increasingly popular and doctors and pharmacists should be aware of its potential adverse effects. The Food Standards Agency (FSA)…

What issues should be considered regarding drug induced QT prolongation?

4 March 2020This Q&A discusses the issues to be considered when assessing the risk of drug induced QT prolongation in individual patients.

What are the clinically significant drug interactions with tobacco smoking?

23 March 2020This Medicines Q&A summarises those drug interactions with tobacco smoking that are considered to be most clinically important. Most interactions between drugs and tobacco smoking…

What is serotonin syndrome and which medicines cause it?

22 May 2020This Medicines Q&A outlines the causes and symptoms of serotonin syndrome and provides examples of medicines with the potential to cause serotonin syndrome.