Can I take Prozac and Sedoxil together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
Taking Prozac and Sedoxil together can make you feel much more drowsy, sleepy, or dizzy than usual. It can also affect your coordination, making you more likely to fall, and may slow down your breathing or cause confusion.
In this article:
Continue reading below
Why this happens
Both medicines work by slowing down activity in the central nervous system (the brain). Prozac can also slow down the way your liver processes Sedoxil, which means the Sedoxil stays in your body longer and its effects become stronger.
What you should do
Use this combination with caution. Do not drive or operate machinery until you know how these medicines affect you. Avoid drinking alcohol, as this will make the sleepiness much worse. If you feel extremely sleepy or have trouble breathing, contact your doctor immediately.
Continue reading below
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

Treatment and medication
Can I take Atorvastatin and Levothyroxine together?
Taking these two medicines together is generally safe, but there is a minor interaction where atorvastatin might slightly increase the levels of levothyroxine in your blood. Conversely, your thyroid levels can affect how well atorvastatin works to lower your cholesterol.

Treatment and medication
Can I take Ashwagandha and Oestrogel pump-pack /actuation together?
Ashwagandha may increase the levels of oestrogen in your body, potentially making the effects of your Oestrogel stronger than intended. It might also interfere with how your body naturally balances hormones.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 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.