Patient leaflet - Pyridostigmine Bromide 60 mg tablets,Mestinon 60 mg tablets
1. WHAT MESTINON IS AND WHAT IT IS USED FOR
Mestinon is used for the treatment of myasthenia gravis. In patients who suffer from myasthenia gravis the muscles quickly become tired and weak and, in severe cases, the muscles may become paralysed. Myasthenia gravis is caused by excessive activity in the body of a protein called cholinesterase.
Mestinon belongs to a group of medicines known as cholinesterase inhibitors. Cholinesterase inhibitors stop the excessive activity of cholinesterase and in this way help muscles to work properly.
Mestinon is also used to treat some rare forms of constipation (paralytic ileus) and inability to pass urine after an operation.
2. BEFORE YOU TAKE MESTINON
Do not take Mestinon if you:
Are allergic (hypersensitive) to pyridostigmine,
bromides or any of the other ingredients of Mestinon (these are listed in section 6, “Further Information”).
Are constipated or cannot urinate, unless your
doctor has told you to use this medicine. This is because Mestinon is only for some types of consti-pation and inability to pass urine (see Section 1).
Take special care with Mestinon
Before treatment with Mestinon, tell your doctor if you:
Suffer from asthma or have other chest problems
such as wheeziness, difficulty in breathing or chronic cough.
Have recently had coronary obstruction (heart
attack), have a slow heart beat or any other heart condition.
- Have low blood pressure.
Have a stomach ulcer.
- Have epilepsy.
- Have Parkinson‟s disease.
- Have kidney problems.
- Suffer from a condition called vagotonia (this is a condition where overactivity of the vagus nerve causes symptoms such as slow heart rate, low blood pressure, constipation, sweating and painful muscle spasms).
- Have an overactive thyroid gland
- Have had an operation to remove your thymus gland.
There is no evidence to suggest that Mestinon has any special effects on elderly patients.
Taking other medicines
Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.
This is extremely important, as using more than one medicine at the same time can strengthen or weaken the effect of the medicines. In particular, tell your doctor if you are taking any of the following medicines:
Medicines known as steroids or other
immunosuppressant medicines.
Medicines known as antimuscarinics
(e.g. atropine, hyoscine).
- Medicines containing methylcellulose
- Antibiotics
- Medicines to treat an irregular heart beat
- Other medicines that interfere with transmission between nerves and muscles
If you are going to have surgery
Tell your doctor that you are taking Mestinon. Mestinon can stop the effect of some medicines used to relax muscles during surgery (e.g. pancuronium, vencuronium).
Mestinon can also prolong the effect of other muscle relaxants (e.g. suxamethonium).
Pregnancy and breast-feeding
Tell your doctor before you start treatment if you:
- Are pregnant, if you think you are pregnant, or if you intend to become pregnant.
- Are breast-feeding, as Mestinon passes into breast milk in small amounts.
Your doctor will then decide if you can take this medicine.
Driving and using machines
Mestinon may reduce the sharpness of your eyesight and therefore your ability to drive or use machines. Do not drive or operate machines if this medicine affects your ability to see clearly.
Important information about some of the ingredients of Mestinon
Mestinon contains lactose. Therefore, if you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
3. HOW TO TAKE MESTINON
Swallow the tablets with water or another non-alcoholic drink. If you have difficulty swallowing, you can break the tablets into pieces.
You should check with your doctor or pharmacist if you are not sure how to take Mestinon.
The dose will depend on your illness, your needs and on your age as follows:
For myasthenia gravis:
The usual adult dose is 1/2 to 2 tablets (30 to
120mg Mestinon) to be taken five to six times daily, or higher doses if needed, as recommended by your doctor.
For children under 6 years, the usual dose is 1/2 a
tablet (30mg). For children aged 6 to 12 years, the usual starting dose is 1 tablet (60mg). The doctor will then gradually increase the dose until maximum improvement is seen. In children the total dose per day is usually 30 to 360mg.
The tablets take 30 to 60 minutes to start working after you have taken them.
The effect of each dose should last about four hours during the day and about six hours at night.
You should try to take your medicine so that it can work when your muscles are needed most, for example, when you get up and about 30 to 60 minutes before a meal.
For paralytic ileus (constipation) and post-operative inability to pass urine:
The usual adult dose is 1 to 4 tablets (60 to 240mg
Mestinon) daily and for children 1/4 to 1 tablet (15 to 60mg) daily, depending on the needs of the patient.
If you take more Mestinon than you should
If you take too many tablets or someone else accidentally takes your medicine, contact your doctor, pharmacist or nearest hospital straight away.
If you forget to take Mestinon
If you forget to take one of your daily doses, take it as soon as you remember, and take the next dose at the normal time. Do not take a double dose to make up for a forgotten dose. If you miss more than a single dose, you should contact your doctor for advice.
4. POSSIBLE SIDE EFFECTS
Like all medicines, Mestinon can cause side effects, although not everybody gets them.
Possible side effects with Mestinon:
Side effects of unknown frequency:
visual disturbance, producing more tears than
usual an irregular heart beat, heart block, low blood pressure, fainting
producing more phlegm than usual combined with
constriction of the airways
feeling sick, vomiting, diarrhoea, stomach cramps,
producing more saliva than usual
- rash
- excessive sweating
muscle weakness and twitching, shaking, muscle
cramps
sudden, compelling urge to urinate.
Reporting of side effects
If you get any side effects, talk to your doctor or pharmacist. 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 or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects, you can help provide more information on the safety of this medicine.
5. HOW TO STORE MESTINON
Keep out of the sight and reach of children.
Do not take your tablets after the expiry date which is stated on the carton/bottle label after „Exp‟. The date refers to the last day of that month.
Do not store above 25°C.
Keep container tightly closed in order to protect from moisture and light.
Store in the original package.
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.
6. FURTHER INFORMATION
What Mestinon contains
The active ingredient in Mestinon is pyridostigmine bromide.
Each tablet contains 60mg pyridostigmine bromide.
The other ingredients are lactose monohydrate, colloidal hydrated silica, corn starch, talc, magnesium stearate and potato starch.
What Mestinon looks like and contents of the pack
The tablets are white, round tablets imprinted with „V M60‟ across one face and with two break marks forming a cross on the other.
Mestinon is available in bottles containing 100 tablets. A desiccant is enclosed in the bottle.
Manufactured by: Labiana Pharmaceuticals S.L.U. Casanova, 27-31, 08757 – Corbera de Liobregat (Barcelona), Spain.
Procured from within the EU and repackaged by the Product Licence holder: B&S Healthcare, Unit 4, Bradfield Road, Ruislip, Middlesex, HA4 0NU, UK.
Mestinon® 60mg tablets; PL 18799/2294
Leaflet date: 14.02.2020
Mestinon is a registered trademark of Meda AB.
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POM