Interactions
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Complementary products: resources to support answering questions
1 December 2025Resources for reviewing interactions with supplements and complementary, herbal and alternative products, including homeopathy, Chinese and Ayurvedic.
Managing complementary products and conventional medicines
1 December 2025Considerations when managing interactions with supplements and complementary, herbal and alternative products, including homeopathy, Chinese and Ayurvedic.
Advising on complementary products and conventional medicines
1 December 2025Decision making when advising on interactions with supplements and complementary, herbal and alternative products, including homeopathy, Chinese and Ayurvedic.
Considerations and interactions with GLP-1 receptor agonists
24 October 2025Signposting key risks and interactions of GLP-1 receptor agonists in diabetes, obesity, and weight management.
Managing interactions between medicines and enteral feeds
18 September 2025Learn about the types of feed, some of the most common medicine and feed interactions and how to manage them.
Considering interactions with local anaesthetics in dentistry
3 January 2025Interpreting significance of drug interactions with dental local anaesthetic (LA) cartridges and why most aren’t clinically relevant in general dental practice.
Managing interactions with local anaesthetics in dentistry
3 January 2025Most drug interactions with local anaesthetics (LA) cartridges are not clinically relevant in general dentistry. We advise on management options where needed.
Understanding enzyme or transporter-based drug interactions
22 May 2024Many interactions are due to inhibition or induction of metabolising enzymes or drug transporters. Enzyme, transporter, and drug half-lives dictate duration.
Using folic acid and phenytoin safely
12 April 2024Folic acid interacts with phenytoin and can reduce phenytoin blood levels. Concomitant use is possible with careful management of the interaction.
Understanding drug interactions
15 January 2024This article discusses different mechanisms of drug interactions. We link to other SPS articles to help support decision making.