GLP‑1 and other medicines
This collection focuses on medicines taken alongside GLP‑1 treatment. It brings together the broader interactions guide and more specific questions about blood sugar, oral contraception and the timing of Rybelsus tablets.
A place to start
Checking another medicine?
Start with the medicines and monitoring discussed in the NHS guidance and leaflets.
Taking it with other medicinesAlso using diabetes medicines?
Read the guide’s source information on insulin, sulphonylureas and low blood sugar.
Low blood sugar on a GLP-1Taking Rybelsus?
Find the tablet routine, the wait before other oral medicines and the levothyroxine information.
How to take Rybelsus tablets
Find a guide
Search by medicine, symptom or question.
5 guides in other medicines
Low blood sugar on a GLP-1
Who the leaflets say is most at risk of low blood sugar, the warning signs they list, and what may change.
Checked against 6 sources on 12 October 2026
Read the guideTaking it with other medicines
The medicines the leaflets and the NHS name, from warfarin and insulin to the pill, and what they say about each.
Checked against 8 sources on 12 October 2026
Read the guideHow to take Rybelsus tablets
How to take Rybelsus: the 8 hour fast, a sip of water, the 30 minute wait, and its two sets of strengths.
Checked against 3 sources on 12 October 2026
Read the guideContraception and pregnancy
Tirzepatide and the pill, extra contraception after a dose increase, and pregnancy and breastfeeding.
Checked against 6 sources on 12 October 2026
Read the guideWhat to tell your doctor
The things the leaflets ask you to raise with your doctor before and during treatment, word for word.
Checked against 6 sources on 12 October 2026
Read the guide