Naproxen 250mg Tablets (Naprosyn P)
Pack of 9 tablets · Tablets
Pharmacy-only short course of naproxen for women aged 15–50 with period pain — small pack for up to 3 days of use.
Official medicine information
View the SmPC and Patient Information Leaflet on emc
electronic Medicines Compendium — the authoritative source for UK licensed medicine information.
Active ingredient
Naproxen
Strength
250mg
Form
Tablets
Pack size
Pack of 9 tablets
How it works
Naproxen is an NSAID that reduces pain, inflammation and swelling by blocking the body's production of prostaglandins. As a P medicine it is supplied only as a small short-course pack (9 tablets) for primary period pain.
How to take
Women aged 15–50: take 2 tablets (500mg) at first sign of period pain, then 1 tablet (250mg) every 6–8 hours as needed. Maximum 3 tablets in 24 hours. Do not use for more than 3 days. Take with or after food.
Possible side effects
- Indigestion, stomach pain or nausea
- Headache or dizziness
- Diarrhoea or constipation
- Less commonly: stomach ulcers, raised blood pressure or kidney effects
Important warnings
- Take with food to reduce stomach upset.
- Not suitable if you have a history of stomach ulcers, severe heart, kidney or liver disease.
- Avoid in the third trimester of pregnancy; speak to a pharmacist if pregnant, planning pregnancy or breastfeeding.
- Tell your pharmacist if you take blood thinners, steroids, SSRIs or other NSAIDs.
- Stomach protection (e.g. omeprazole) may be recommended alongside.
Storage
Store below 25°C in the original packaging. Keep out of the sight and reach of children.
Important
This information is provided for general guidance only and is not a substitute for professional clinical advice. Treatment is only supplied following a consultation, suitability checks and pharmacist review. If this medicine is not suitable for you, our pharmacist will discuss alternatives.
Always read the patient information leaflet supplied with your medicine. If you have a medical emergency, call 999 immediately.
Suspected side effects can be reported via the MHRA Yellow Card scheme. Reporting helps make medicines safer for everyone.
Last reviewed by our Superintendent Pharmacist: Jane Doe MRPharmS, April 2026.
Take the next step toward better sleep, less stress, and better pain support.
Browse our treatments — you can request a confidential, pharmacy-led consultation.
Treatment available where clinically appropriate.