Information for those using GLP-1 medicines for weight loss
Summary: What do those taking or planning to take these medicines need to remember
You should only take GLP-1 medicines if they have been prescribed to you by a healthcare professional.
Always have a conversation with your prescriber about the benefits and risks of GLP-1 medicines before you start taking them.
Do not take GLP-1 medicines if you are pregnant, trying to get pregnant or breastfeeding. If you get pregnant while using them, talk to a healthcare professional straight away.
If you are prescribed Mounjaro (tirzepatide), and you are using an oral contraceptive (the pill), use a non-oral form (such as condoms, the coil, or implant) of contraception in addition to your pill for four weeks after starting GLP-1 medicines, and for four weeks after any increase in dose.
Mounjaro (tirzepatide) may have an impact on the effectiveness of your HRT to adequately protect your endometrium (womb lining). Please do contact your GP for a review so they can discuss potential alternatives.
Understand the potential side effects and have a conversation with a healthcare professional if you are concerned.
Tell your doctor you take a GLP-1 medicine if you are about to have surgery.
Report any adverse reactions to the Yellow Card scheme
After taking the recommended four doses in your syringe, any medicine left in the syringe should not be extracted and should be disposed of in the bin.
Use of these medicines is not a quick fix to lose weight and the MHRA has not assessed the safety and effectiveness of these medicines when used by people who do not meet the medical requirements.
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