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Active substance(s): NAPROXEN

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Patient Information Leaflet

Feminax Ultra
250 mg Gastro-resistant tablets

Naproxen (250 mg)
This leaflet contains important information about Feminax® Ultra 250 mg
Gastro-resistant tablets (referred to as Feminax® Ultra from now on). Please
read it carefully before you take these tablets.

These tablets contain 250 mg of naproxen. This medicine is used to treat
period pain (also called menstrual pain or dysmenorrhoea)
• Naproxen belongs to a group of painkillers called Non-Steroidal
Anti-inflammatory Drugs (also called NSAIDs)
• Other medicines in this group include ibuprofen and aspirin.

Only take this medicine if you are between 15 and 50 years old.
Ask your doctor, pharmacist or nurse if you need more information.

Do not take this medicine if you have, or have ever had a stomach ulcer,
or other serious stomach problems
• This includes any stomach pain that did not go away and any
bleeding in the stomach
• If you have ever had anything like this then you should not take
these tablets.
Do not take this medicine if you have severe heart failure.
Do not take this medicine if you are already taking aspirin, low dose
aspirin or any other non-steroidal anti-inflammatory drug (NSAID) like
ibuprofen. This includes cyclo-oxygenase-2 selective inhibitors
(COX2) like celecoxib.

Taking the tablets:
• Swallow the tablets whole with a drink of water. Do not chew or
crush them
• Take the tablets with or after food
• Only take the tablets for as long as you need them for the period pain.
You may not need to take the tablets all the time for all 3 days. If you
still have pain after 3 days of treatment, talk to your doctor. Do not
take the tablets for more than 3 days in any one period (cycle)
• If you see a doctor, pharmacist or nurse or go into hospital, tell them
you are taking this medicine
• Overdose: If you (or someone else) takes too many tablets, go to the
nearest hospital casualty department or your doctor straight away.

Like all medicines, these tablets can cause side effects, although not everybody
gets them. If you have any side effect, you should seek advice from your doctor,
pharmacist or other healthcare professional. In addition, you can help to make
sure that medicines remain as safe as possible by reporting any unwanted side
effects via the internet at; alternatively you can call
Freephone 0808 100 3352 (available between 10 am - 2 pm Monday to Friday)
or fill in a paper form available from your local pharmacy.
You may also contact Medical Information given in the contact details at the
end of this leaflet.
If any of the following happen to you, stop taking the tablets and tell a
doctor, pharmacist or nurse immediately:
• Sickness or being sick (possibly with blood), diarrhoea (sometimes
with blood and mucus), dark “tarry” stools
• Stomach pain, indigestion, stomach ulcers and bleeding in the stomach
• Worsening of stomach problems (ulcerative colitis or Crohn’s disease)
• Sore mouth or unusual painful mouth ulcers
• Allergic reactions like asthma, wheezing or difficulty breathing. This
may be severe.
• Blood in the urine, more or less urine than normal or cloudy urine.
Pain around the kidneys (lower side of your back)
• Severe blisters and bleeding of the skin, nose and mouth (StevensJohnson syndrome)

Do not take this medicine if you have ever had an allergic reaction to:
• Naproxen, aspirin, ibuprofen, or another non-steroidal
anti-inflammatory drug (NSAID)
• Anything else in these tablets (look at the list in the ‘What is in these
tablets’ section, at the end of the leaflet).
Allergic reactions can include wheezing, itchy runny nose, rashes or swelling
of the skin.
Do not take this medicine unless your doctor said you can, if:
• You are breast feeding, or there is a chance you may be pregnant
• You started to have period pain more than a year after your first period.
Do not take this medicine, unless your doctor said you can, if you
have these illnesses:
• Heart problems, previous stroke or think you might be at risk of
these conditions (for example if you have high blood pressure,
diabetes or high cholesterol or are a smoker)
• Kidney or liver problems
• A blood clotting problem
• Asthma or any allergic illness which makes it hard to breathe
• Stomach disorders such as ulcerative colitis or Crohn’s disease.
Medicines containing naproxen may be associated with a small increased risk
of heart attack (“myocardial infarction”) or stroke. Any risk is more likely with
high doses and prolonged treatment. Do not exceed the recommended dose
(3 tablets a day) or duration of treatment (3 days).
Important information about some of the ingredients of this medicine
• This medicine contains lactose. If you have been told by your doctor
that you have an intolerance to some sugars, contact your doctor
before taking this medicinal product.
Driving and using machines: These tablets may make you dizzy, sleepy or
cause vertigo, loss of concentration, difficulty sleeping, depression or visual
problems. Do not drive or use machines if this happens to you.

• Skin problems including rashes, itching, nettle rash or a bruise-like
rash. There may also be blistering and flaking of the skin
• Swelling of the face, lips, tongue and throat (causing difficulty
swallowing or breathing)
• Jaundice (yellowing of the skin or whites of the eyes), and/or pale
coloured stools and dark urine
• Fits (convulsions), altered vision, pins-and-needles or numbness,
confusion, hallucinations, dizziness and vertigo, hearing problems.
If you have any of the following while taking this medicine, stop taking
it and tell your doctor:
• Swelling of the blood vessels and a build up of fluid which may
cause swollen ankles
• Kidney or liver problems: these will show up in blood or water tests
• Nervous system: headaches, depression, insomnia, ringing in the
ears, tiredness, drowsiness, inability to concentrate, mental slowing,
a general feeling of being unwell or fever with a dislike of light
• Blood problems – these may cause unusual tiredness or weakness,
unusual bleeding or unexplained bruising, fever or chills, sore throat,
ulcers in your mouth or throat
• Sensitivity of the skin to light
• Hair loss (alopecia)
• Flatulence or constipation.
Other side effects
• High blood pressure and heart failure have been reported with
• Medicines which contain NSAIDs such as naproxen may be
associated with a small increased risk of heart attack (“myocardial
infarction”) or stroke
• NSAIDs have been associated with aseptic meningitis which can
include symptoms of headache, stiff neck, disorientation, fever and
sensitivity to light in people with auto-immune disorders.
If you experience any other symptoms or have concerns about your medicine,
talk to your doctor.
Adrenal function tests: The tablets may interfere with these tests – check
with your doctor before the test.

Feminax Ultra 250mg Gastro Resistant Tablets - Bayer










Talk to your doctor or pharmacist first, if you are taking any of these
other medicines:
• Ciclosporin - a medicine used after organ transplants
• Steroids (also called corticosteroids) - like prednisolone
• Quinolone antibiotics (ciprofloxacin, norfloxacin or levofloxacin) or
sulphonamides (like co-trimoxazole)
• Lithium – a medicine for depression
• Methotrexate – a medicine for cancer and other illnesses
• Probenecid – a medicine for gout
• Water tablets (diuretics)
• Medicines for high blood pressure (anti-hypertensives)
• Medicines for your heart (digoxin or glycosides)
• Medicines to stop blood clots (anticoagulants such as warfarin or
• Phenytoin - a medicine for epilepsy
• Mifepristone to terminate a pregnancy in the last 8 - 12 days
• Low dose aspirin – a medicine for “thinning the blood”
• Antidepressants of the serotonin re-uptake inhibitor (SSRI) type like

First day:
• When the pain starts, take two tablets
• Then after 6 to 8 hours, take one more tablet that day, if you need it
Second day:
• Take one tablet every 6 to 8 hours if needed
Third day:
• Take one tablet every 6 to 8 hours if needed
Do not take more than 3 tablets each day.
Always take the lowest effective dose for you. Do not take more than
the recommended dose of up to three tablets in a day. Do not take for
longer than three days in any one month (menstrual cycle).


• Do not use this medicine after the use-by date
• Keep these tablets in their original packaging and do not store
above 25ºC
• Store your medicine in a safe place, out of the reach and sight of children
• This medicine is for you ONLY, do not give it to anyone else
• Return all unused medicines to your pharmacist for safe disposal.

Each white round coated tablet contains 250 mg of naproxen, which is the
active medicine. The tablets come in a box of 9 tablets. The tablet is gastroresistant (also known as enteric coated). This means that it is covered with a
coating which stops the tablet dissolving in the stomach, so that the naproxen
is released further down in your gut.
The tablets also have inactive contents: lactose, maize starch, polyvidone,
sodium starch glycollate and magnesium stearate. Also, the coating contains
colloidal silicon dioxide, polyvinyl acetate phthalate, polyethylene glycol,
stearic acid, hydroxypropyl methylcellulose, sodium alginate, sodium
bicarbonate, purified talc, triethyl citrate, the colour titanium dioxide (E171)
and black printing ink.
The marketing authorisation holder is Bayer plc, Consumer Care Division,
Newbury, Berkshire, RG14 1JA, UK.
PL 00010/0631

This leaflet does not contain all the information about these tablets.
Please ask your doctor, nurse or pharmacist if you have any questions.
Revised: November 2012
Contact details:
Medical Information, Bayer plc, Consumer Care Division,
Newbury, Berkshire, RG14 1JA.
Tel 01635 563000











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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.