Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

Headache

Abdominal pain

Difficulty in sleeping (insomnia)

Swelling of the legs and ankles due to excess fluid retention (peripheral oedema)

Visual disturbances

Seizures (convulsions)

Dizziness

Nausea and vomiting

Sensation of ringing, or other noise in the ears (tinnitus)

Inflammation of the liver (hepatitis)

Concentration difficulties

Ulceration or bleeding of the stomach or intestines

Hypersensitivity reactions such as narrowing of the airways (bronchospasm), swelling of the lips, throat and tongue (angioedema), itchy blistering rash or anaphylactic shock

Kidney disorders

Blood disorders

Abnormal reaction of the skin to light, usually a rash (photosensitivity)

The side effects listed above may not include all of the side effects reported by the drug's manufacturer. For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?

Naproxen may increase the blood levels of the following medicines, resulting in an increased risk of side effects: - lithium - methotrexate - phenytoin. There may rarely be an increased risk of seizures if this medicine is taken with quinolone-type antibiotics such as ciprofloxacin. Probenecid may increase the blood level of naproxen, resulting in an increased risk of side effects. Naproxen may reduce the effectiveness of the following medicines for high blood pressure: - diuretics such as furosemide (frusemide) - ACE inhibitors such as captopril - beta-blockers such as propranolol. There may be an increased risk of kidney problems if this medicine is taken with any of the following: - diuretics - ACE inhibitors - ciclosporin. NSAIDs such as naproxen should not be taken within 8-12 days of taking mifepristone. Naproxen should not be taken with any other NSAID, eg ibuprofen, as this increases the risk of adverse effects. There may be an increased risk of bleeding if naproxen is taken with the following: - blood-thinning or anticoagulant medicines such as warfarin - corticosteroids such as prednisolone. This medicine may affect the results of certain laboratory tests, eg adrenal function tests. If you are due to have any blood tests, ask your doctor if you need to stop taking this medicine beforehand.

Other medicines containing the same active ingredients

Arthrosin EC	Naprosyn	Naprosyn EC
Naproxen	Naproxen EC	Timpron
Timpron EC

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