Can I take Alogliptin and Rybelsus together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
- Audio Version
- Add to preferred sources on Google
Taking alogliptin and Rybelsus (semaglutide) together can significantly increase the risk of your blood sugar dropping too low (hypoglycaemia). Additionally, both medicines work in a similar way on the same hormonal pathway, and using them together is generally not recommended because it does not provide extra benefit but increases the risk of side effects.
Why this happens
Both drugs target the 'incretin' system. Alogliptin (a DPP-4 inhibitor) prevents the breakdown of natural hormones that lower blood sugar, while Rybelsus (a GLP-1 receptor agonist) mimics those same hormones. Using both is like 'doubling up' on the same biological process, which can lead to an over-correction of blood sugar levels.
What you should do
You should speak to your doctor or pharmacist before taking these together. Clinical guidelines usually recommend stopping the DPP-4 inhibitor (alogliptin) when starting a GLP-1 medicine like Rybelsus. If your doctor has specifically told you to take both, be very alert for signs of low blood sugar, such as feeling shaky, sweaty, dizzy, or hungry.
Important precautions
Pancreatitis
Stop taking these medicines and seek immediate medical help if you develop severe, persistent stomach pain which may reach through to your back. These drugs are linked to a risk of inflamed pancreas (pancreatitis).
Diabetic retinopathy
If you have a history of diabetic eye problems, you must have regular eye checks. Rapid improvement in blood sugar levels with Rybelsus can lead to a temporary worsening of diabetic retinopathy.
Heart failure
Contact your doctor immediately if you experience increasing shortness of breath, tiredness, or swelling of the ankles, as alogliptin may increase the risk of heart failure.
Food and drink warnings
Food, drink, and other oral medicines
Rybelsus must be taken on an empty stomach with a small sip of plain water (no more than 120ml). You must wait at least 30 minutes before eating, drinking anything else, or taking other oral medicines. If you eat or drink too soon, the medicine will not be absorbed properly and will not work.
Alcohol
While there is no direct chemical interaction, alcohol can affect blood sugar levels and increase the risk of hypoglycaemia (low blood sugar). Excessive drinking can also increase the risk of pancreatitis, a rare but serious side effect associated with these types of diabetes medications.
Using other medicines
Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
Patient picks for Drug interactions

Drug interactions checker
Can I take Mounjaro and Metformin together?
When taken together, Mounjaro and Metformin can increase the risk of your blood sugar levels dropping too low (hypoglycaemia). While both drugs work to lower blood sugar, they do so in different ways, which can sometimes lead to an additive effect. Additionally, Mounjaro slows down how quickly your stomach empties, which might slightly change how your body absorbs Metformin, though this is usually not a major concern.

Drug interactions checker
Can I take Warfarin and Aspirin together?
Taking warfarin and aspirin together significantly increases your risk of serious bleeding. This includes internal bleeding, such as in the stomach or brain, as well as bleeding that is hard to stop from minor cuts or injuries.
Article history
The information on this page is written and peer reviewed by qualified clinicians.
Article also available in English, German, Spanish, French, Italian, Portuguese, Hindi, Hebrew, Arabic, and Swedish.
25 Jan 2026 | Originally published
Join the conversation
Share your thoughts or experiences with others in our patient communities.

Ask, share, connect.
Browse discussions, ask questions, and share experiences across hundreds of health topics.

Feeling unwell?
Assess your symptoms online for free
Sign up to the Patient newsletter
Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.
By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.
More in drug interactions checker
- Can I take Amitriptyline and Paracetamol together?
- Can I take Ashwagandha and Ramipril together?
- Can I take Cannabis and Clozapine together?
- Can I take Ciprofloxacin and Doxycycline together?
- Can I take Colecalciferol and Esomeprazole together?
- Can I take Ezetimibe and Vitamin B12 together?
- Can I take Fexofenadine and Pregabalin together?
- Can I take Fibre supplements and Metformin together?
- Can I take Fibre supplements and Rybelsus together?
- Can I take Fluanxol and Iron supplements together?
- Can I take Fluanxol and Prozac together?
- Can I take Garlic supplements and Ginseng together?
- Can I take Losartan and Magnesium together?
- Can I take Maitake and Reishi together?
- Can I take Omeprazole and Paracetamol together?
- Can I take Pyridostigmine and Ramipril together?
- Can I take Quetiapine and Venlafaxine together?
- Can I take Sedoxil and Wellbutrin together?
- Can I take Turmeric with black pepper and Vitamin B complex together?