Just received this drug safety update and, while not thyroid medicines, these GLP-1 receptor agonists have been discussed numerous times. From which I gather some members are taking them.
GLP-1 and dual GIP/GLP-1 receptor agonists: potential risk of pulmonary aspiration during general anaesthesia or deep sedation
Healthcare professionals should be aware of the potential risk of pulmonary aspiration in patients using GLP-1 or dual GIP/GLP-1 receptor agonists who undergo surgery or procedures with general anaesthesia or deep sedation.
gov.uk/drug-safety-update/g...
Advice for healthcare professionals to provide to patients:
if you are taking a GLP-1 or dual GIP/GLP-1 receptor agonist, make sure you inform your healthcare team including the anaesthetist about this prior to your surgical procedure
this medicine slows the emptying of your stomach, increasing the risk that stomach contents (e.g. food and drink) could enter into your airways and lungs during surgery or procedures whilst you are under general anaesthesia or deep sedation. This means that a modification to the pre-procedure instruction and anaesthetic technique may be required
take your prescribed medicine(s) as usual and do not stop your treatment without first discussing this with your doctor
There is significantly more detail and background available if you follow the link.