Stronazon MR (tamsulosin)

- This medicine may cause dizziness, light-headedness and on rare occasions fainting. Take care when moving from a lying down or sitting position to sitting or standing, particularly if you wake up in the night, until you know how this medicine affects you. If you feel dizzy or light-headed at any time during treatment, sit or lie down until the symptoms pass.
- This medicine may cause drowsiness, dizziness or blurred vision and so may affect your ability to drive or operate machinery safely. Do not drive or operate machinery until you know how this medicine affects you and you are sure it won't affect your performance.
- This medicine does not cause prostate cancer, but prostate cancer can be another cause of an enlarged prostate gland. For this reason, tests for prostate cancer should be carried out before you start treatment with this medicine, and at regular intervals thereafter. One test that can be carried out is a digital rectal examination (DRE). The other is to measure the level of prostate specific antigen (PSA) in the blood.
- If you are scheduled to have eye surgery for cataracts it is important to let your eye specialist know if you are or have been taking this medicine. This is because tamsulosin can make your pupil dilate poorly and the iris (the coloured circular part of the eye) become floppy during the procedure. The specialist needs to know if you have been taking this medicine so they can take appropriate precautions with the medicines and techniques they use during the surgery. You may be asked to stop taking this medicine for a period of time before cataract surgery. Check with your doctor.

Use with caution in

- Severely decreased kidney function.

Not to be used in

- History of drops in blood pressure when moving from a sitting or lying position to standing, which causes dizziness (postural hypotension)
- Severely decreased liver function.

This medicine should not be used if you are allergic to one or any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy. If you feel you have experienced an allergic reaction, stop using this medicine and inform your doctor or pharmacist immediately.

Label warnings

- This medication is to be swallowed whole, not chewed.

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.

- Dizziness
- Headache
- Weakness or loss of strength (asthenia)
- Abnormal ejaculation
- A drop in blood pressure that occurs when going from lying down to sitting or standing, which results in dizziness and lightheadedness (postural hypotension)
- Fainting (syncope)
- Awareness of your heartbeat (palpitations)
- Disturbances of the gut such as diarrhoea, constipation, nausea or vomiting
- Inflammation of the lining of the nose (rhinitis) causing a blocked or runny nose
- Skin reactions such as rash and itch
- Drowsiness
- Blurred vision
- Dry mouth
- Swelling due to fluid retention (oedema)
- Persistent painful erection of the penis (priapism)

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.

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