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Feminax Ultra

Please note images are for illustration purposes only and may differ from the product(s) you receive

Feminax Ultra 9 Tablets

Feminax Ultra Tablets are used to treat period pain and menstrual cramps.
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This is a pharmacy only medicine. To allow our pharmacist to ensure it is appropriate for you to use we will ask you to complete a short questionnaire after the checkout.  

Please note that failure to answer pharmacy questions may result in delays with your order.

Pharmacy only items are not suitable for express delivery as they need to be checked by our pharmacist.  


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Feminax Ultra contains the active ingredient Naproxen, an anti-inflammatory, which is used to treat period pain (dysmenorrhoea). Feminax Ultra tablets provide long lasting relief for up to 8 hours and work directly at the site of the pain, relieving painful muscle cramps in the tummy and those that can sometimes spread to the back and thighs. Feminax Ultra can be purchased without a prescription and is suitable for women between the ages of 15-50 years old. The tablets are gastro-resistant meaning they are less likely to irritate your stomach. It is advised to start taking Feminax Ultra on the very first day of your period when period pain is anticipated.

Periods are caused by your body getting rid of the lining that builds up on the wall of your womb each month. Period pain occurs when the muscular wall of the womb contracts more vigorously to encourage the womb lining to fall away as part of your monthly cycle.



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Active ingredient: Naproxen 250mg in each enteric coated tablet. Other ingredients: lactose, maize starch, polyvidone, sodium starch glycollate, magnesium stearate. Coating contains: lactose, colloidal silicon dioxide, polvinyl acetate phthalate, polyethylene glycol, stearic acid, hydroxypropyl methycellulose, sodium alginate, sodium bicarbonate, purified talc, triethyl citrate, titanium dioxide (E171), antifoam AF emulsion. Printing ink: shellac, black iron oxide (E172), propylne glycol (E1520).


On the first day - as soon as the pain starts take TWO tablets. After 6 to 8 hours take one more tablet if needed. Second and third days - take one tablet every 6 to 8 hours if needed. To be taken preferably with or after food swallowed whole with water. Not to be broken or crushed. The maximum duration of continuous treatment in any one cycle (period) is 3 days. Please read the enclosed leaflet carefully before taking this medication.


Do not take this medication if you are taking other NSAID painkillers or aspirin,or ever had stomach ulcers or other serious stomach problems. If you ever have had an allergic reaction to naproxen, other NSAIDs or any other ingredient in this product. If you are breast feeding or there is any chance you may be pregnant, you started to have period pain more than a year after your first period, if you have heart problems, kidney or liver problems, a blood clotting problem or asthma.

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. Talk to your doctor or pharmacist first before taking this medication if you are taking- ciclosporin, steroids, quinolone antibiotics, sulphonamides, lithium, methotrexate, probenecid, water tablets, medicines for high blood pressure, medicines for your heart, medicines to stop blood clots, phenytoin, mifepristone, aspirin or any antidepressants. Always read the label.

Delivery & Returns

Standard Delivery

Standard UK delivery is £2.90* 

We aim to deliver orders within 3-5 working days to the shipping address provided by you in your order if the shipping address is in the UK.  For orders being delivered outside mainland UK, this will be longer and we cannot give a guaranteed delivery time due to the differences between carriers. Delivery timescales are estimates only. If you do not receive your order within 14 days of us confirming your order has been sent you must notify us and we will investigate the non-delivery provided. Orders from outside the UK have varied delivery charges, depending on the particular country.  Please note that in some instances you may be required to answer product related questions from our Pharmacist as part of the checkout process.  Failiure to answer these will cause delays.  Please allow extra time for Pharmacy approved products.  Please note that Bank Holidays do not count as working days.

Delivery charges for orders outside the UK will vary. *Northern Ireland delivery charges different

Express UK Delivery

Express UK delivery is £5.99*

Please note that Express delivery is only available on orders placed before 1pm (GMT) Monday to Friday in the UK.  After 1pm we cannot guarantee express delivery, even if it has been selected.  Please note that this is not a guaranteed next day service, but is an expedited delivery option.  Products which need to be approved by a pharmacist are not suitable for express delivery.

*Northern Ireland delivery charges different

Free Delivery on orders over £40*

This applies to orders delivered to UK addresses only.  *Exclusions may apply.


We hope you will be happy with any items you’ve ordered from us, but if you’re not entirely satisfied, you’ll find details of our returns policy on the link below.

Delivery outside of the EU

Please note that certain medicines and medical devices sold on this website cannot be purchased if you live outside of the European Union.


Please visit our Delivery & Returns page for more information.