Can I take 50 and Aspirin together?
Drug interaction guide
Originally published 12 May 2026
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Taking 5-HTP and aspirin together can increase your risk of bleeding, particularly in your stomach or gut. You may notice that you bruise more easily or that small cuts take longer to stop bleeding. In more serious cases, it could lead to internal bleeding.
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Why this happens
Both 5-HTP (which increases serotonin) and aspirin affect how your blood platelets work. Platelets are the cells that help your blood clot. When both substances are in your system, they can interfere with the clotting process more than aspirin would on its own, making it harder for your body to stop bleeding.
What you should do
Back to contentsYou should use caution when taking these together. It is best to speak with your doctor or pharmacist before combining them, especially if you have a history of stomach ulcers or bleeding problems. Seek medical help immediately if you notice signs of internal bleeding, such as black, tarry stools or coughing up blood.
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Using other medicines
Back to contentsTaking 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.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
12 May 2026 | Originally published

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