Can I take 18 and 25 together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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There is no known interaction between the numbers 18 and 25. These are numerical values and do not represent medications, supplements, or substances that interact biologically.
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Why this happens
N/A - These are not pharmacological agents.
What you should do
Back to contentsIf you intended to ask about specific medications, please provide the names of the drugs or supplements you are concerned about.
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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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Treatment and medication
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Taking indapamide and losartan together can cause your blood pressure to drop lower than intended. This may make you feel dizzy, lightheaded, or faint, especially when standing up quickly. It can also affect your kidney function and change the levels of potassium in your blood.

Treatment and medication
Can I take 90 and Lercanidipine together?
Drinking alcohol while taking lercanidipine can cause your blood pressure to drop too low. This can make you feel very dizzy, lightheaded, or faint. It can also increase the risk of side effects like a racing heart, headaches, or flushing (redness in the face).
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published

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