Can I take 90 and Fexofenadine together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
- Audio Version
Drinking alcohol while taking fexofenadine can increase the risk of side effects such as drowsiness, dizziness, and difficulty concentrating. While fexofenadine is a 'non-drowsy' antihistamine, alcohol can still enhance its sedative effects in some people.
In this article:
Continue reading below
Why this happens
Both substances can affect the central nervous system. When taken together, they can have an additive effect, meaning the side effects of both are more likely to be felt.
What you should do
Back to contentsIt is best to avoid or strictly limit alcohol while taking fexofenadine. Do not drive or operate machinery if you feel drowsy or dizzy after taking this combination.
Continue reading below
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.
Patient picks for Drug interactions

Treatment and medication
Can I take Atorvastatin and Magnesium together?
Taking magnesium antacids at the same time as atorvastatin can lower the amount of the statin medicine that your body absorbs. This might make your cholesterol treatment less effective.

Treatment and medication
Can I take Abrysvo powder and Inhalation powder. together?
There is no known direct interaction between the Abrysvo vaccine and inhaled medicines (inhalation powders). However, if you are unwell or have a fever, you may need to delay your vaccination.
Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published

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.