The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet is: PL 12762/0145 .
Diamox SR 250mg Capsules
Diamox SR® 250mg Prolonged-release Capsules
Keep this leaflet. You may need to read it again.
If you have any further questions, ask your doctor or pharmacist.
This medicine has been prescribed for you. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours.
If any of the side effects become serious or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.
The name of your medicine is Diamox SR 250mg Prolonged-release Capsules. It will be referred to as Diamox SR Capsules for ease of use hereafter.
1. What Diamox SR Capsules are and what they are used for
2. Before you take Diamox SR Capsules
3. How to take Diamox SR Capsules
4. Possible side effects
5. How to store Diamox SR Capsules
6. Further information
Diamox SR 250mg Prolonged-release Capsules contain the active substance Acetazolamide.
This belongs to a group of medicines known as carbonic anhydrase inhibitors.
Diamox SR Capsules are used to treat, glaucoma (a condition of the eye), by reducing the pressure within the eye.
Speak to your doctor if any of the above applies to you.
Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription. The effects of any of these medicines may change, particularly if you are taking, or using, any of the following:
Diamox SR Capsules may affect some medical tests. If you visit a hospital or clinic for any medical tests, you should tell the doctor concerned that you are taking Diamox SR Capsules.
Ask your doctor or pharmacist for advice before taking any medicines.
Diamox SR Capsules SHOULD NOT be taken if you are pregnant, think you are pregnant or are planning to become pregnant. It may be taken when breast feeding but only on the advice of the doctor.
If Diamox SR Capsules make you feel drowsy or confused you should not drive or operate machines. Diamox SR Capsules can occasionally cause short-sightedness; if this happens and you feel that you can no longer drive safely, you should stop driving and contact your doctor.
This medicine contains the ingredient sunset yellow FCF (E110) which may cause allergic reactions.
Diamox SR Capsules are not recommended for use in children.
Get medical help immediately, either by calling your doctor or going to the nearest hospital casualty department. Take any remaining capsules and this leaflet with you so that the medical staff knows exactly what you have taken.
You should take it as soon as you remember. However, if this is within 2 hours of your next dose you should skip the missed capsule and carry on taking the rest of your capsules as usual.
DO NOT take a double dose of capsules to make up the missed dose.
If you have any further questions about these capsules, ask your doctor or pharmacist.
Like all medicines, Diamox SR Capsules can cause side effects, although not everybody gets them.
All medicines can cause allergic reactions although serious allergic reactions are very rare. Any sudden wheeziness, difficulty in breathing, swelling of the eyelids, face or lips, rash or itching (especially affecting your whole body) should be reported to a doctor immediately.
Common side effects (probably occuring in less than 1 in 10 people) are
Uncommon side effects (probably occuring in less than 1 in 100 people) are:
If you take Diamox SR Capsules for a long time it can occasionally affect the amount of potassium, or sodium in your blood. Your doctor will probably take blood tests to check that this does not happen. You might also experience bone thinning or the risk of kidney stones with long-term therapy. High or low blood sugar levels may occasionally occur.
Contact a doctor immediately if you experience a serious skin reaction: a red, scaly rash with bumps under the skin and blisters (exanthematous pustulosis). The frequency of this side effects is not known (cannot be estimated from the available data).
If any of the side effects becomes serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard
By reporting side effects you can help provide more information on the safety of this medicine.
Store below 30 °C
Store in the original package in order to protect from light and moisture..
Keep this medicine out of the sight and reach of children.
Do not use after the expiry date. This date is printed on your pack. The Expiry date refers to last day of that month.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.
This medicine is for you. Only a doctor can prescribe it for you. Never give this medicine to someone else; it could harm them, even if their symptoms seem the same as yours.
The active substance is acetazolamide. Each capsule contains 250mg acetazolamide.
The other ingredients are microcrystalline cellulose (E460), sodium lauryl sulphate, purified water, ethyl cellulose, hydroxypropyl methylcellulose (E464), mineral oil, Pigment Blend PB-230005 Orange [hydroxy propyl cellulose, titanium dioxide and FD&C Yellow #6/Sunset Yellow FCF aluminium lake (15-18% grade), Talc and FD&C Yellow #6/Sunset yellow FCF aluminium lake (38-42% grade)].
Capsule shell contains gelatin, titanium dioxide (E171), yellow iron oxide (E172) and erythrosine (E127).
Diamox SR capsules have a clear body and orange cap, and are printed with ‘GS 250’ in black. They usually come in blister packs of 28 or 30 capsules, although the capsule may also be available in bottles of 28, 100 or 500. Not all pack sizes may be marketed.
This leaflet was last revised in August 2023.
Mercury Pharmaceuticals Ltd. is licensed to use the registered trademark Diamox SR.