Rivaroxaban
Rivaroxaban is a direct oral anticoagulant (DOAC) used in the UK for conditions such as atrial fibrillation stroke prevention (when suitable), and for treatment or prevention of some venous clots, depending on dose and guidance.
This medicine is part of the Blood pressure, cholesterol & related category.
Generic name: rivaroxaban
Quick answers
Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.
What is it for?
Rivaroxaban is a direct oral anticoagulant (DOAC) used in the UK for conditions such as atrial fibrillation stroke prevention (when suitable), and for treatment or prevention of some venous clots, dep…
How long does it take to work?
Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review.
What are common side effects?
Bruising, nosebleeds, or heavier periods can occur.
Can you take paracetamol or ibuprofen with it?
Some antifungals, HIV medicines, certain epilepsy drugs, and St John’s wort can interact.
More about what Rivaroxaban is used for
Rivaroxaban is a direct oral anticoagulant (DOAC) used in the UK for conditions such as atrial fibrillation stroke prevention (when suitable), and for treatment or prevention of some venous clots, depending on dose and guidance.
Your prescriber confirms the indication and whether your kidneys and other factors make a DOAC appropriate.
How does Rivaroxaban work, and how long does it take to work?
It blocks a specific clotting factor (factor Xa), reducing the body’s ability to form unwanted clots. It works quickly compared with Warfarin and does not need INR monitoring in the usual way.
Different strengths and dosing schedules exist for different conditions — use only the schedule on your prescription.
How and when should you take Rivaroxaban?
Take with food for many tablet strengths used for stroke prevention in AF — follow your patient leaflet, as this matters for absorption. For twice-daily regimens, space doses evenly.
Swallow tablets whole; do not run out without arranging repeat prescriptions.
What are the common side effects of Rivaroxaban?
Bruising, nosebleeds, or heavier periods can occur. Some people notice gut upset or dizziness.
Bleeding risk exists with all anticoagulants — report unusual symptoms early.
Serious side effects of Rivaroxaban — when to get urgent help
Seek urgent help for major bleeding, head injury, black stools, vomiting blood, sudden weakness, or severe abdominal pain.
Severe allergic reactions are rare but need emergency care.
What if you miss a dose of Rivaroxaban?
If you miss a dose, take it when you remember on the same day if your leaflet allows, then continue the usual schedule — do not double up unless your prescriber has told you to. When unsure, ring your GP surgery or 111 for advice.
Who should not take Rivaroxaban?
Active bleeding, severe kidney impairment (depending on indication), pregnancy, and some mechanical heart valves are examples where alternatives may be needed.
Always list all medicines before new prescriptions or procedures.
Can you take paracetamol or ibuprofen with Rivaroxaban? — other interactions
Some antifungals, HIV medicines, certain epilepsy drugs, and St John’s wort can interact. Aspirin and NSAIDs increase bleeding risk.
Your pharmacist checks combinations when dispensing.
Rivaroxaban in pregnancy and breastfeeding
DOACs are generally avoided in pregnancy; discuss contraception and planning. Breastfeeding advice is individual — ask your prescriber.
Blood tests and monitoring on Rivaroxaban
Kidney function may be checked before starting and periodically. Routine INR is not used, but you may have reviews for side effects or dose changes after weight or health changes.
What might your GP prescribe instead of Rivaroxaban?
Apixaban, Edoxaban, Dabigatran, or Warfarin may be considered depending on your condition, kidney function, and interactions.
Reviewed by UK registered pharmacists
Reviewed by UK registered pharmacists for accuracy and clarity. Content is informational only.
- Professional registration
- GPhC registration number: [placeholder — to be added when verified]
- Last reviewed
Frequently asked questions about Rivaroxaban
People also ask — common Google searches
- What is Rivaroxaban used for?
- Rivaroxaban is a direct oral anticoagulant (DOAC) used in the UK for conditions such as atrial fibrillation stroke prevention (when suitable), and for treatment or prevention of some venous clots, depending on dose and guidance.
- How long does Rivaroxaban take to work?
- Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review. Always follow your prescriber’s follow-up plan.
- Can you take Rivaroxaban with paracetamol or ibuprofen?
- Some antifungals, HIV medicines, certain epilepsy drugs, and St John’s wort can interact.
- What are the side effects of Rivaroxaban?
- Bruising, nosebleeds, or heavier periods can occur. Some people notice gut upset or dizziness. See the sections below for more detail, including serious side effects and when to seek urgent help.
- Is rivaroxaban the same as apixaban?
- Both are factor Xa inhibitor anticoagulants but dosing, food requirements, and licensing details differ. Use only the medicine and strength prescribed for you.
- Do I need blood tests every month on rivaroxaban?
- Unlike Warfarin, INR is not usually monitored, but your GP may still arrange kidney function tests and general reviews as part of long-term care.
Need personalised advice?
Your local pharmacist or GP surgery can help with questions about your medicines, side effects, and alternatives that may be suitable for you.
Links open the NHS website for finding services. DrugABC does not sell prescription-only medicines or replace clinical care.
Often used with
People searching for Rivaroxaban often read about these medicines too — for example when treatments are combined under GP or specialist care. This is not a prescribing suggestion.
Related medicines
You may also find these informational pages helpful. Each link opens a full guide on DrugABC. Your prescriber decides what is appropriate for you.