Naproxen 250mg and 500mg Tablets
Naproxen
(Referred to as Naproxen Tablets in this leaflet)
- Keep this leaflet. You may need to read it again
- If you have any further questions, ask your doctor or pharmacist
- This medicine has been prescribed for you only. Do not pass it onto others. It may harm them, even if their signs of illness are the same as yours
- If you get any side effects talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.
1. What Naproxen Tablets are and what they are used for
2. What you need to know before you take Naproxen Tablets
3. How to take Naproxen Tablets
4. Possible side effects
5. How to store Naproxen Tablets
6. Contents of the pack and other information
Naproxen Tablets contain a medicine called naproxen. This is a ‘Non Steroidal Anti Inflammatory Drug’ or NSAID.
Naproxen can lessen pain, swelling, redness and heat (inflammation) and is used to treat adults for:
- Problems with your muscles, joints and tendons, like strains, gout, ankylosing spondylitis (pain and stiffness in the neck and back) or arthritis
- Women, while having period pain.
It can also be used in children over 5 years with rheumatoid arthritis.
- Naproxen, naproxen sodium or any of the other ingredients of this medicine (listed in section 6)
- Aspirin, other NSAIDs or any other pain relief medicines (such as ibuprofen or diclofenac).
- You have now or have ever had any problems with your stomach or gut (intestine) like an ulcer or bleeding
- You have previously experienced bleeding or perforation in your stomach while taking NSAIDs
- You have severe problems with your liver, kidney or heart
- You are in the last three months of pregnancy.
Do not take Naproxen Tablets if any of the above apply to you. If you are not sure, talk to your doctor or pharmacist before taking Naproxen Tablets.
If you have heart problems, previous stroke or think that you might be at risk of these conditions (for example if you have high blood pressure, diabetes or high cholesterol or are a smoker) you should discuss your treatment with your doctor or pharmacist.
Talk to your doctor or pharmacist before taking Naproxen Tablets if any of the following apply to you:
- Asthma or allergies (like hayfever) or have had swelling of the face, lips, eyes or tongue in the past
- A feeling of weakness (perhaps because of an illness) or you are an older person
- Lumps in your nose (polyps) or you sneeze a lot or have a runny, blocked, or itchy nose (rhinitis)
- Problems with your kidneys or liver
- Problems with the way that your blood clots
- Problems with the blood vessels (arteries) anywhere in your body
- Too much fat (lipid) in your blood (hyperlipidaemia)
- An autoimmune condition, such as ‘systemic lupus erythematosus’ (SLE, causes joint pain, skin rashes and fever) and colitis or Crohn’s disease (conditions causing inflammation of the bowel, bowel pain, diarrhoea, vomiting and weight loss)
- Heart trouble or high blood pressure
- Chicken pox or shingles.
If any of the above apply to you, or if you are not sure, talk to your doctor or pharmacist before you take Naproxen Tablets.
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines, this includes medicines that you buy without a prescription and herbal medicines. In particular, tell your doctor or pharmacist if you are taking:
- Other pain killers, like aspirin, ibuprofen, diclofenac and paracetamol
- Medicine to stop your blood clotting, like, aspirin/ acetylsalicylic acid, warfarin, heparin or clopidogrel
- A hydantoin (for epilepsy), like phenytoin
- Sulfonamide medicines, like hydrochlorothiazide, acetazolamide, indapamide and including sulfonamide antibiotics (for infections)
- A sulfonylurea (for diabetes), like glimepiride or glipizide
- An ‘ACE inhibitor’ or any other medicine for high blood pressure like cilazapril, enalapril or propranolol
- An angiotensin-II receptor antagonist, like candesartan, eprosartan or losartan
- A diuretic (water tablet) (for high blood pressure), like furosemide
- A ‘cardiac glycoside’ (for heart problems), like digoxin
- A steroid (for swelling and inflammation), like hydrocortisone, prednisolone and dexamethasone
- A ‘quinolone antibiotic’ (for infections), like ciprofloxacin or moxifloxacin
- Certain medicines for mental health problems like lithium or ‘SSRIs’ like fluoxetine or citalopram
- Probenecid (for gout)
- Methotrexate (used to treat skin problems, arthritis or cancer)
- Ciclosporin or tacrolimus (for skin problems or after an organ transplant)
- Zidovudine (used to treat AIDS and HIV infections)
- Mifepristone (used to end pregnancy or to bring on labour if the baby has died).
If any of the above apply to you, or if you are not sure, talk to your doctor or pharmacist before you take Naproxen Tablets.
- You should not take Naproxen Tablets during the first 6 months of pregnancy unless absolutely necessary and advised by your doctor. If you need treatment during this period or while you are trying to get pregnant, the lowest dose for the shortest time possible should be used. If taken for more than a few days from 20 weeks of pregnancy onward, Naproxen Tablets can cause kidney problems in your unborn baby that may lead to low levels of amniotic fluid that surrounds the baby (oligohydramnios) or narrowing of a blood vessel (ductus arteriosus) in the heart of the baby. If you need treatment for longer than a few days, your doctor may recommend additional monitoring
- Do not take Naproxen Tablets if you are in the last three months of pregnancy as it can harm your baby. Naproxen Tablets can cause kidney and heart problems in your unborn baby. It may affect your and your baby’s tendency to bleed and cause labour to be later or longer than expected
- If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine
- Naproxen may make it more difficult to become pregnant. You should tell your doctor if you are planning to become pregnant or if you have problems becoming pregnant.
Naproxen Tablets may make you tired, drowsy, dizzy, have problems with your eyesight and balance, depressed or have difficulty sleeping. Talk to your doctor if any of these happen to you and do not drive or use any tools or machines.
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
This medicine contains less than 1 mmol sodium (23mg) per dose, i.e. essentially ‘sodium – free’.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
These tablets should be taken as instructed after meals.
The dose you should take will depend on what you are taking Naproxen for.
Adults:
Muscle, joint or tendon problems and period pain:
- The usual starting dose is 500mg followed by a 250mg tablet every 6 to 8 hours as needed.
Arthritis and ankylosing spondylitis:
- The usual dose is between 500mg or 1000mg twice a day
- The dose can be taken all at once, or split in two and taken twice a day.
Gout:
- The usual starting dose is 750mg followed by a 250mg tablet every 8 hours as needed.
Older people and people with liver and kidney problems: Your doctor will decide your dose, it will usually be lower than that for other adults.
Children over 5 years, rheumatoid arthritis:
- The usual dose is 10mg/kg body weight each day
- The dose is split into two and given 12 hours apart.
Swallow the tablets whole with a little water, with or after food.
Medicines such as Naproxen may be associated (linked) with a small increased risk of heart attack (‘myocardial infarction’) or stroke. Any risk is more likely with higher doses and prolonged (longer term) treatment. Do not exceed (take more than) the recommended dose or duration (length) of treatment.
Check with your doctor if you are not sure.
You should make sure that you have enough to drink (stay well hydrated) when you are taking Naproxen Tablets. This is particularly important for people who have problems with their kidneys. While you are taking Naproxen Tablets your doctor will want to see you to check you are on the right dose for you and look for any side effects.
This is particularly important if you are elderly.
If you take more Naproxen Tablets than you should, contact your doctor or go to a hospital straight away. Take the container and any remaining tablets with you.
If you forget to take Naproxen Tablets, skip the missed dose. Then take you next dose as normal. Do not take a double dose to make up for a forgotten dose.
Do not stop taking Naproxen Tablets without talking to your doctor, even if you feel better. It is important that you take the full course of Naproxen prescribed by your doctor.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them. Medicines such as Naproxen Tablets may be associated with a small increased risk of heart attack (‘myocardial infarction’) or stroke.
Stop taking Naproxen Tablets and tell your doctor straight away if any of the following side effects happen. You may need urgent medical treatment:
Serious stomach or gut problems, signs include
- Bleeding from the stomach, seen as vomit which has blood in it, or bits that look like coffee grounds
- Bleeding from your back passage (anus), seen as passing black sticky bowel motions (stools) or bloody diarrhoea
- Ulcers or holes forming in your stomach or gut. Signs include upset stomach, stomach pain, fever, feeling or being sick
- Problems with your pancreas. Signs include severe stomach pain which spreads to your back
- Worsening of ulcerative colitis or Crohn’s disease, seen as pain, diarrhoea, vomiting and weight loss.
Allergic reactions, signs include:
- Sudden swelling of your throat, face, hands or feet
- Difficulty breathing, tightness in your chest
- Skin rashes, blisters or itching
- Widespread rash
- High body temperature.
Severe skin rashes, signs include:
- A severe rash, with blisters or peeling of your skin and possibly blisters in your mouth, throat or eyes. Fever, headache, cough and aching body may happen at the same time
- Blistering of skin when exposed to sunlight (porphyria cutanea tarda) seen most on arms, face and hands
- A distinctive cutaneous allergic reaction known as fixed drug eruption, that usually recurs at the same site(s) on re-exposure to the medication and may look like round or oval patches of redness and swelling of the skin, blistering (hives), itching.
Liver problems, signs include:
- Yellowing of your skin or the whites of your eyes (jaundice)
- Feeling tired, loss of appetite, feeling or being sick and pale coloured stools (hepatitis) and problems (including hepatitis), shown in blood tests
- Liver enzyme elevations.
Heart attack, signs include:
- Chest pain which may spread to your neck and shoulders and down your left arm.
Stroke, signs include:
- Muscle weakness and numbness. This may only be on one side of your body
- A suddenly altered sense of smell, taste, hearing or vision, confusion.
Meningitis, signs include:
- Fever, feeling or being sick, a stiff neck, headache, sensitivity to bright light and confusion (most likely in people with autoimmune conditions such as ‘systemic lupus erythematosus’).
If you notice any of the serious side effects mentioned above, stop taking Naproxen Tablets and tell your doctor straight away.
Stomach and gut
- Heartburn, indigestion, stomach ache, feeling sick or being sick, constipation, diarrhoea, wind.
Blood
- Blood problems, like anaemia or changes to the numbers of white blood cells
- Blood abnormalities (eosinophilia).
Mental illness
- Having difficulty sleeping or changes in your patterns of dreaming
- Depression
- Confusion or seeing and possibly hearing things that are not there (hallucinations).
Nervous system
- Headache
- Fits or seizures, feeling dizzy or light-headed or sleepy
- Pins and needles or numbness of your hands and feet
- Difficulty with your memory or concentration.
Eyes and ears
- Changes to your eyesight, eye pain
- Changes to your hearing, including ringing in the ears (tinnitus) and hearing loss
- Dizziness that causes problems with your balance.
Heart and circulation
- Swelling of your hands, feet or legs (oedema), this may be with chest pains, tiredness, and shortness of breath (cardiac failure)
- A fluttering feeling in your heart (palpitations), slow heart beat or high blood pressure
- Problems with the way your heart pumps blood around the body or damage to your blood vessels. Signs may include tiredness, shortness of breath, feeling faint, general pain.
Chest
- Difficulty breathing, including shortness of breath, wheezing or coughing
- Pneumonia or swelling of your lungs.
Skin and hair
- Skin rashes including redness, hives, pimples and blisters on your body and face
- Bruising, itching, sweating, skin being more sensitive to the sun or hair loss.
Urinary
- Blood in your water (urine) or kidney problems.
Other
- Thirst, fever, feeling tired or generally unwell
- A sore mouth or mouth ulcers
- Muscle pain or weakness
- Problems for women in getting pregnant
- ‘Systemic lupus erythematosus’ (SLE). Signs include fever, rash, problems with your kidneys and joint pain
- Enlarged lymph nodes and other body organs involvement (Drug Reaction with Eosinophilia and Systemic Symptoms which is also known as DRESS).
If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard, or search for MHRA Yellow Card in the Apple App Store or Google Play Store.
By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date, which is shown on the label or carton. The expiry date refers to the last day of that month.
Do not store above 25°C.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
The active substance is naproxen.
Other ingredients are lactose, maize starch, povidone, sodium starch glycollate, magnesium stearate, yellow lake CLF 3076 which consists of E104 (quinoline yellow aluminium lake) and E172 (iron oxide).
The tablets are available in two strengths of 250mg and 500mg.
Naproxen 250mg Tablets are yellow, circular, flat faced tablets marked NXN 250 with a breakline on one face and CP on the reverse.
Naproxen 500mg Tablets are yellow capsule shaped tablets marked NXN 500 with a breakline on one face and CP on the reverse.
Naproxen Tablets are available in blister packs of 28 tablets in cartons.
Marketing Authorisation Holder:
Wockhardt UK Limited
Ash Road North
Wrexham
LL13 9UF
UK
Manufacturer:
CP Pharmaceuticals Limited
Ash Road North
Wrexham
LL13 9UF
UK
Other formats:
To listen to or request a copy of this leaflet in Braille, large print or audio please call, free of charge:
0800 198 5000 (UK Only). Please be ready to give the following information:
Product name Reference number
Naproxen 250mg Tablets 29831/0150
Naproxen 500mg Tablets 29831/0149
This is a service provided by the Royal National Institute of Blind People.
This leaflet was last revised in 12/2024.
107294/5