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SODIUM CLODRONATE 800 MG TABLETS

Active substance(s): CLODRONATE DISODIUM TETRAHYDRATE

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Bonefos® 800 mg Tablets

2366
16.11.13[7]

(disodium clodronate)
PATIENT INFORMATION LEAFLET
Your medicine is available using the above name but will referred to as
Bonefos Tablets throughout the following leaflet.
Read all of this leaflet carefully before you start taking this medicine.
- Keep this leaflet. You may need to read it again.
- If you have more 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 gets serious, or if you notice any side effects not
listed in this leaflet, please tell your doctor or pharmacist.
In this leaflet:
1. What Bonefos Tablets are and what they are used for
2. Before you take Bonefos Tablets
3. How you take Bonefos Tablets
4. Possible side effects
5. How to store Bonefos Tablets
6. Further information
1. WHAT BONEFOS TABLETS ARE AND WHAT THEY ARE USED FOR
Bonefos Tablets contain sodium clodronate which belongs to a group of
medicines called bisphosphonates. These medicines help prevent the loss
of calcium from bones.
Bonefos Tablets are used to help manage bone diseases, particularly those
associated with cancer. Bonefos Tablets also help maintain normal levels
of calcium in your blood.
2. BEFORE YOU TAKE BONEFOS TABLETS
Do not take Bonefos Tablets if:
- you have very poor kidney function
- you are allergic to the active ingredient (sodium clodronate), or to any of
the other ingredients. The ingredients are listed in section 6
- you are already taking another similar medicine.
 Tell your doctor if any of these apply to you and do not take Bonefos.
The doctor will take special care if:
- you have problems with your kidneys
- you have (or have had) pain, swelling or numbness of the jaw or a
“heavy jaw feeling” or loosening of a tooth.
 Tell your doctor before you take Bonefos Tablets, if any of these
apply to you.
If you are having dental treatment or will undergo dental surgery, tell your
dentist that you are being treated with a bisphosphonate. Certain types of
dental treatment are not recommended while taking bisphosphonates.
Other medicines and Bonefos Tablets
Tell your doctor about any other medicines that you are taking, or have
recently taken. This includes any products you bought without a prescription.
Tell your doctor if you are taking:
- non-steroidal anti-inflammatory drugs to relieve pain (e.g. ibuprofen or
diclofenac)
- antibiotics
- antacids or mineral supplements
- a drug called estramustine which is used to treat cancer.
Do not take any other medicines by mouth for 2 hours before and 1 hour
after each dose of Bonefos Tablets.
Food and drink with Bonefos Tablets
It is important that you take your tablets on an empty stomach (otherwise
your body will not absorb the drug properly).
Except for plain water, do not eat or drink for 2 hours before and 1 hour
after each dose. It is particularly important to avoid drinking milk in this
period. You can drink water whenever you like.
Pregnancy and breastfeeding
Bonefos Tablets are not normally given to people during pregnancy. If you
think you might be pregnant or if you are planning a family, tell your doctor
before taking Bonefos Tablets.
Do not breastfeed while you are taking Bonefos Tablets.
Driving and using machines
Bonefos Tablets have no known effect on your ability to drive or use
machines.

3. HOW YOU TAKE BONEFOS TABLETS
You need to take plenty of fluids (such as water) before, during and
after your treatment.
You should take Bonefos Tablets exactly as prescribed by your doctor.
The tablets should be swallowed with plain water. Tablets may be divided
into two halves to help with swallowing, but the two halves must be taken at
the same time.
Do not crush or dissolve the tablets before you take them. Never take
them with milk because it reduces the amount of drug that your body can
absorb.
The daily dosage of Bonefos Tablets varies.
In most cases the dose is between 1600mg (2 tablets) and 3200mg (4
tablets) per day. If you have problems with your kidneys then the daily
dosage may be reduced.
If you have been prescribed a single daily dose of Bonefos Tablets, it
should be taken (preferably in the morning) on an empty stomach with a
glass of plain water. After using Bonefos Tablets, you should not eat,
drink (other than plain water) or take any other medicines by mouth
for 1 hour.
If you have been prescribed a twice daily dose, the first dose should be
taken as recommended above. The second dose should be taken between
meals, more than 2 hours after and 1 hour before eating, drinking
(other than plain water), or taking any other medicines by mouth.
If you take too many tablets
 Get medical help immediately and drink plenty of water. If possible,
take your tablets with you to show the doctor. Your doctor may want to
check the amount of calcium in your blood and how well your kidneys are
working.
If you forget to take the tablets
Do not take the missed dose, just take your next dose at the usual time.
4. POSSIBLE SIDE EFFECTS
Like all medicines, Bonefos Tablets can cause side effects, although not
everybody gets them. The following side effects have been observed during
treatment with Bonefos Tablets.
If you experience any of these serious side effects, seek immediate
medical attention:
- difficulty breathing
- allergic skin reactions such as a rash, redness or itching
- numbness and tingling sensations around the mouth and/or in the
fingers and toes, muscle cramps or spasms (in the back, hands and/or
feet) or fits
- kidney problems which can be experienced as feeling generally unwell,
a reduced appetite and you may observe foamy urine
- severe kidney damage which may include symptoms such as weakness
or tiredness, change in frequency of urination and swelling of the face,
arms, legs and abdomen. These problems are more common when
taking some types of anti-inflammatory drug (most often diclofenac) at
the same time as Bonefos Tablets
- pain, swelling or numbness of the jaw, a “heavy jaw feeling” or loosening
of a tooth, especially if you have been treated in the past with
bisphosphonates such as zoledronate and pamidronate
- severe bone, joint and/or muscle pain that can start days to several
months after starting treatment with Bonefos Tablets.
Unusual fracture of the thigh bone particularly in patients on long-term
treatment for osteoporosis may occur rarely.
Contact your doctor if you experience pain, weakness or discomfort in your
thigh, hip or groin as this may be an early indication of a possible fracture of
the thigh bone.
The following side effects are presented by how often they may occur:
Common side effects
(These may affect up to 1 in 10 people)
- low calcium levels in the blood without any symptoms (asymptomatic
hypocalcaemia) or small increases in the levels of liver enzymes, which
can be detected by blood tests
- diarrhoea
- feeling sick or being sick

Rare side effects
(These may affect up to 1 in 1,000 people)
- low calcium levels in the blood with symptoms (symptomatic
hypocalcaemia) which may include numbness and tingling sensations
around the mouth and/or in the fingers and toes, muscle cramps or
spasms (in the back, hands and/or feet) or, less frequently, fits
- increased blood levels of a hormone (parathyroid hormone) or certain
enzymes (alkaline phosphatase) which can be detected by blood tests
- allergic skin reaction such as rash, redness or itching
- breathing difficulties (bronchospasm) – if you have any difficulty
breathing seek immediate medical attention.
- unusual fracture of the thigh bone (particularly in patients on long-term
treatment for osteoporosis) - contact your doctor if you experience pain,
weakness or discomfort in your thigh, hip or groin.
Other side effects (frequency unknown)
- breathing problems in patients with a condition called aspirin-sensitive
asthma
- allergic reaction causing difficulty breathing - if you have any difficulty
breathing seek immediate medical attention
- kidney problems which may include severe kidney damage and in rare
cases fatal kidney failure have been reported. These problems are more
common when taking some types of anti-inflammatory drug (most often
diclofenac) at the same time as Bonefos Tablets
- dead tissue in the jaw bone (osteonecrosis of the jaw) which is mainly
seen in patients who have been treated in the past with
bisphosphonates such as zoledronate and pamidronate. Symptoms
include pain, swelling or numbness of the jaw, a “heavy jaw feeling” or
loosening of a tooth
- severe bone, joint and/or muscle pain that can start days to several
months after starting treatment with Bonefos Tablets. However, these
symptoms may also be linked to the reason you are taking Bonefos
Tablets.
- swelling and irritation of the uvea (the middle layer of the eye) has been
observed with Bonefos Tablets. Swelling or infection of the conjunctiva
(the membrane lining of the eyelids) has been reported in one patient
who received Bonefos Tablets and another biphosphonate at the same
time. To date, swelling and irritation of the episclera (a thin layer of
tissue covering the sclera, the white outer wall of the eye) and the
sclera, which has been reported with other biphosphonates, have not
been reported with Bonefos Tablets.
Tell your doctor if any side effect gets serious, or if you get any
effects not listed in this leaflet.
Reporting of side effects
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.
5. HOW TO STORE BONEFOS TABLETS
- Keep out of the sight and reach of children.
- Do not store above 25°C.
- Do not use this medicine after the expiry date shown on the carton or
blister.
- If your doctor tells you to stop taking this medicine, return any unused
Tablets to your doctor for safe disposal. Only keep the tablets if your
doctor tells you to.
- If your tablets become discoloured or show any other signs of
deterioration, consult your doctor or pharmacist who will tell you what to
do.
6. FURTHER INFORMATION
What Bonefos Tablets contain
Each Bonefos tablet contains 1000 mg of disodium clodronate tetrahydrate
equivalent to 800 mg of disodium clodronate as the active ingredient.
The tablets also contain the following inactive ingredients: magnesium
stearate, croscarmellose sodium, silicified microcrystalline cellulose, stearic
acid and Opadry II white, containing macrogol (PEG) 3350, polyvinyl
alcohol (partially hydrolysed), purified water, talc and titanium dioxide
(E171).
What’s in the pack
Bonefos Tablets are available as pale white, oval-shaped, film-coated
tablets marked ‘L scoreline 134’ on one side and plain on the other side.
Available in blister strip packs of 60 tablets.

Manufacturer and Product Licence Holder
Manufactured by Bayer Oy, Pansiontie 47, 20210 Turku, Finland.
Procured from within the EU by product licence holder
Star Pharmaceuticals Ltd., Harrow, Middlesex HA1 1XD. Repackaged by
Servipharm Ltd.
POM

PL 20636/2366

Leaflet revision and issue date (Ref.) 16.11.13[7]
Bonefos is a trademark of Bayer Oy.

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.

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