PATIENT
INFORMATION LEAFLET
Betaloc®
Tablets 50 mg and 100 mg
metoprolol
tartrate
WHAT YOU
SHOULD KNOW ABOUT BETALOC®
TABLETS 50 mg AND 100 mg
(metoprolol tartrate)
Please read
this carefully BEFORE you take
your medicine.
If you have
any questions or are unsure about anything to do with
your medicine please ask your doctor or pharmacist
(chemist).
Remember,
this medicine is only for you. Only a doctor can
prescribe it. Never give it to anyone else even if their
symptoms are similar to yours.
WHAT'S
IN YOUR MEDICINE?
Betaloc
Tablets 50 mg are white, round, film-coated tablets
marked "A/BB" on one side with a breakline on the other.
Each tablet contains 50 mg of the active ingredient
metoprolol tartrate.
Betaloc
Tablets 100 mg are white, round, film-coated tablets
marked "A/ME" on one side with a breakline on the other.
Each tablet contains 100 mg of the active ingredient
metoprolol tartrate.
Betaloc
Tablets also contain microcrystalline cellulose,
lactose, sodium starch glycolate, colloidal silica,
polyvidone and magnesium stearate.
Your tablets
come in packs of 100 tablets contained in blister strips
of 10 tablets.
Metoprolol
tartrate is a type of medicine called a beta-blocker.
These are medicines which slow the heart rate and lower
the blood pressure.
WHAT IS
YOUR MEDICINE USED FOR?
Betaloc
Tablets are used for treating high blood pressure
(hypertension), tight chest pain due to insufficient
oxygen for the heart (angina pectoris), and irregular or
fast heartbeats (arrhythmias). Betaloc Tablets can also
be used with other drugs in the treatment of an
overactive thyroid gland (hyperthyroidism), in the early
treatment of heart attacks and in the prevention of
migraine.
BEFORE
TAKING YOUR MEDICINE
Make sure
you have told your doctor about any other medicines that
you are taking including those bought without a
prescription.
Please read
the following questions carefully.
The
questions below are being asked in order to check that
it is suitable for you to take this medicine. If you can
answer YES to any of these,
talk to your doctor or pharmacist
BEFORE taking this medicine.
- Do
you suffer from heart failure?
- Do
you suffer from a slow heartbeat and feeling faint?
- Have
you recently suffered a heart attack complicated by
shock?
- Do
you have poor circulation in your fingers or toes?
- Are
you suffering from an increase in blood acidity as a
result of severe illness (metabolic acidosis)?
- Are
you allergic to any of the ingredients in Betaloc
Tablets?
- Are
you pregnant, think you may be pregnant, or
considering becoming pregnant?
- Are
you breast feeding?
- Do
you suffer from unstable angina (non
exercise-induced sharp chest pain)?
- Do
you have a history of, or currently suffer from
psoriasis (severe skin peeling)?
- Do
you have a history of allergy, wheezing, asthma or
any other breathing difficulties? If your answer to
this question is yes, you MUST
make sure that your doctor knows about this
BEFORE you take your
medicine.
- Do
you suffer from any thyroid problems?
- Do
you have phaeochromocytoma (a rare growth near the
kidney that causes high blood pressure)?
- Do
you have any liver problems?
- Are
you diabetic? If so, your treatment may need to be
adjusted.
- Are
you taking any of the following: other medicines for
high blood pressure such as guanethidine, reserpine
or diuretics, medicines for irregular heartbeats
such as disopyramide, eye drops, antidepressants,
calcium antagonists, phenothiazines, stimulants such
as isoprenaline, noradrenaline or adrenaline or any
medicines containing verapamil, digitalis,
ergotamine, rifampicin, cimetidine, lidocaine (also
known as lignocaine), alcohol, hydralazine or
indomethacin?
Important: You should not take
Betaloc if you have had problems in the past when taking
medicines containing metoprolol tartrate or any other
beta-blocker or if your doctor has diagnosed cardiogenic
shock.
If you feel
dizzy or tired after this medicine, you should not drive
or operate machinery.
TAKING
YOUR MEDICINE
It is
important to take your medicine as your doctor has told
you to. The instructions on the label should remind you
of what the doctor has said. The tablets should be
swallowed with a drink of water. The usual dosage for
each use in adults is:
High blood pressure (Hypertension)
The usual
dose is 100 mg to 400 mg a day. You may be asked to take
your tablets once or twice daily. Your doctor may
prescribe another medicine for high blood pressure in
addition to your Betaloc Tablets.
Tight chest pain (Angina)
The usual
dose is between 50 mg and 100 mg, twice or three times a
day.
Irregular or fast heartbeat
(Arrhythmia)
The usual
dose is 50 mg twice or three times a day. This may be
increased if necessary up to 300 mg a day in divided
doses.
Overactive thyroid gland
(Hyperthyroidism)
The usual
dose is 50 mg four times a day. This may need to be
decreased in time.
Following a heart attack
Treatment
with Betaloc may start with injections. After that, you
will usually be given tablets of 50 mg four times a day
for two days, then your treatment dosage may be changed.
To help to prevent migraine
The usual
dose is 100 mg to 200 mg a day in divided doses.
For elderly
people or people with liver problems smaller doses may
be given.
If you are
going to have a general anaesthetic in hospital or at
the dentist, or receive adrenaline, tell your doctor or
dentist you are taking Betaloc Tablets.
Do not
suddenly stop taking Betaloc Tablets without talking to
your doctor. If you are also taking clonidine (for
migraine, high blood pressure, tremor) talk to your
doctor before stopping either medicine.
What
happens if you take too many?
If you
take more than the recommended number/amount of
tablets, contact a doctor or pharmacist (chemist)
straight away.
What
to do if your forget to take a dose?
If you
forget to take a dose, take it as soon as you
remember. However, if it is almost time for your
next dose, do not take the missed dose, just take
the next dose on time.
AFTER
TAKING YOUR MEDICINE
Like all
medicines, Betaloc Tablets may sometimes cause
side-effects, as well as the effects that are needed.
The most
common side-effects which are usually mild and
infrequent are tiredness, feeling sick, stomach ache,
diarrhoea or constipation, distrubed sleep or breathing
problems especially when exercising
Occasionally: dizziness, headache, slow heartbeat,
difficulty in breathing, feeling faint, or being sick.
Rarely:
'pins and needles', muscle cramps, feeling depressed or
sleepy, palpitations, heart failure, irregular
heartbeats, cold fingers and toes, swelling of the
limbs, chest pain, skin rashes which may worsen in
sunlight, worsening of psoriasis, abnormal blood tests,
impotence.
In isolated
cases: changes in personality such as memory loss,
confusion, hallucinations, feeling nervous, feeling
anxious. Gangrene in people with very poor circulation
in their hands and feet, increase in the frequency of
leg cramps, dry mouth, liver problems, increased
sweating, hair loss, a runny, itchy or blocked nose,
weight gain, unexpected bruising, blurred vision,
conjunctivitis, tinnitus (ringing in the ears), dry or
irritated eyes, taste disturbance, pain in the joints.
If you have
very low blood pressure then Betaloc Tablets may make
this worse.
If you
suffer from any of these effects, or if you get any
other unusual or unexpected symptoms, talk to your
doctor or pharmacist (chemist).
STORING
YOUR MEDICINE
- Do
not take your tablets after the expiry date shown on
the carton and blister strip.
- Keep
your medicine in a safe place where children cannot
reach it.
-
Store this medicine below 25°C.
-
Remember to return any unused medicine to your
pharmacist (chemist).