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DARAPRIM 25MG TABLETS

Active substance(s): PYRIMETHAMINE

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Package Leaflet:
Information for the User

Read all of this leaflet
carefully before you start
taking this medicine because
it contains important
information for you.
• Keep this leaflet. You may need to
read it again.
• If you have any further questions
about your illness or your
medicine, ask your doctor or
pharmacist.
• This medicine has been prescribed
for you only. Do not pass it on to
others. It may harm them, even if
their signs of illness are the same
as yours.
• If you get any side effects talk to
your doctor or pharmacist.
This includes any possible side
effects not listed in this leaflet.
See section 4.
In this leaflet:

1 What Daraprim is and
what it is used for

• you have a blood problem called
anaemia

Daraprim contains a medicine called
pyrimethamine. This belongs to a
group of medicines called
antiprotozoals. They treat infections
of the blood caused by parasites.

Daraprim should always be given
with a folic acid (vitamin)
supplement.

Daraprim is used:
• to treat infections, caused by a
parasite called Toxoplasma,
together with antibiotics called
sulphonamides. These infections
can affect the:
- brain (encephalitis) and other
parts of the body if your immune
system is poor. This can be due
to AIDS
- eyes, infection can lead to
problems with your eyesight
- unborn baby, when an infection
is passed on from the mother
during pregnancy.

Please tell your doctor or pharmacist
if you are taking or have recently
taken any other medicines, including
medicines obtained without a
prescription. This includes herbal
medicines. This is because Daraprim
can affect the way some medicines
work. Also some other medicines can
affect the way Daraprim works.
In particular tell your doctor if you
are taking any of the following
medicines:
• trimethoprim or cotrimoxazole –
used as antibiotics
• proguanil or quinine sulfate – used
for malaria/night cramps

Ask your doctor if you need to have
these conditions explained to you.

2 What you need to know before
you take Daraprim

2 What you need to know
before you take Daraprim

• medicines for cancer – such as
methotrexate, daunorubicin, or
cytosine

Do not take Daraprim:

• lorazepam – used to help you sleep
or relax

4 Possible side effects
5 How to store Daraprim
6 Contents of the pack and other
information

• if you are allergic (hypersensitive)
to pyrimethamine or any of the
other ingredients of Daraprim (see
Section 6: Contents of the pack &
other information)
• if you are a woman in the first
trimester of pregnancy
• if you are a woman who is
breast-feeding. Ask your doctor or
midwife for advice.
• if you are a child under 5 years of
age.
Do not take if any of the above apply
to you. If you are not sure, talk to
your doctor or pharmacist before
taking Daraprim.

pyrimethamine

Other medicines and Daraprim

1 What Daraprim is and what it is
used for

3 How to take Daraprim

Daraprim® 25 mg tablets

• you have ever had fits (seizures).

Warnings and Precautions
Check with your doctor or pharmacist
before taking this medicine if:
• you have kidney or liver problems

• zidovudine – used to treat HIV
infection/AIDS

• warfarin – used to thin your blood
• antacids – used for heart-burn or
indigestion
• medicines for diarrhoea which
contain an ingredient called kaolin.
If you are not sure if any of the above
apply to you, talk to your doctor or
pharmacist before taking Daraprim.
Pregnancy and breast-feeding
Do not take Daraprim if you
are 12 weeks pregnant or less. It can
harm your baby.
If you are more than 12 weeks
pregnant, or might become pregnant,
talk to your doctor before taking
Daraprim.
Do not breast-feed if you are taking
Daraprim. Ask your doctor or
midwife for advice.

Driving and using machines
No studies on the effects on the
ability to drive and use machines
have been performed. Dizziness and
seizures have been reported by
patients taking Daraprim. If you
experience these, caution should be
exercised in driving and using
machinery.
Daraprim contains lactose
Daraprim contains lactose (a type of
sugar). If you have been told by your
doctor that you cannot tolerate or
digest some sugars (have an
intolerance to some sugars), talk to
your doctor before using this
medicine.

3 How to take Daraprim
Always take Daraprim exactly as your
doctor has told you. You should
check with your doctor or pharmacist
if you are not sure.
• Swallow your tablets with a glass
of water.
Toxoplasmosis
Daraprim should always be given
with another antibiotic, for example
a sulphonamide, and a folic acid
(vitamin) supplement.
Adults and children over 6 years.
• To treat infections caused by
Toxoplasma, the usual dose is:
- four tablets each day for the first
1 or 2 days
- then one or two tablets each day
for the rest of the course.
In the unborn baby Daraprim may
stop toxoplasmosis from the mother
damaging the unborn baby.
• From week 13 of your pregnancy
onwards, the usual dose is:
- two tablets, twice a day, for the
first 2 days
- then two tablets each day for the
rest of the course.

• Daraprim may cause harm to
the baby in the first 12 weeks
of your pregnancy. A different
medicine should be used until
the 13th week of pregnancy.
Adults and adolescents who have
a poor immune system or AIDS.
• To treat infections caused by
Toxoplasma, the usual dose is
based on body weight:
• Less than 60 kg:
- eight tablets on the first day
- then two tablets each day for the
rest of the course.
• 60 kg or more:
- eight tablets on the first day
- then three tablets each day for
the rest of the course.
Children from 5 to 6 years.
• To treat infections caused by
Toxoplasma, the usual dose is
based on body weight:
- 2 mg/kg bodyweight (maximum
of two tablets) on the first day
- then 1 mg/kg bodyweight
(maximum of one tablet) each
day for the rest of the course.
Children under 5 years should
not take Daraprim.
If you take more Daraprim than
you should
If you take more Daraprim than you
should, talk to a doctor or go to
hospital straight away. Take this
medicine pack with you.

4 Possible side effects

Very Rare (may affect less than 1 in
10,000 people)

Like all medicines, Daraprim can
cause side effects, although not
everybody gets them.

• change in blood test results,
sleepiness, contractions of body
muscles

If you have any of the following
side effects or symptoms, talk to
your doctor immediately:

• sudden onset of high fever, rapid
shallow breathing, chills and
sweating

• sore throat, an unexpected illness
or skin reaction such as a rash or
irritation or breathlessness.

• abdominal pain
• mouth ulcers on the inside of the
cheek

• abnormal bruising, tiredness,
weakness or dizziness

• red inflamed dry skin

These symptoms may mean that
you are suffering from a drop in
the number of your blood cells. This
increases your risk of bleeding,
bruising and makes you less able to
fight infections. Your doctor will be
able to confirm this by carrying out
a blood test, and if necessary, will
give you appropriate treatment.
Daraprim may bring on fits (seizures)
in patients who are prone to
epilepsy. If you have epilepsy talk to
your doctor or pharmacist before
taking this medicine.
Other side effects include:
Very common (may affect more
than 1 in 10 people)
• anaemia
• headache
• vomiting, feeling sick and diarrhoea
• rash

If you forget to take Daraprim

Common (may affect less than 1 in
10 people but more than 1 in 100
people)

• If you forget to take a dose, take it
as soon as you remember it.

• tiredness, weakness, abnormal
bruising

• However, if it is time for the next
dose, skip the missed dose.

• dizziness

• Do not take a double dose (two
doses at the same time) to make
up for a forgotten dose.

• change in blood test results

• weakness
Uncommon (may affect less than 1
in 100 people but more than 1 in
1000 people)
• fever
• abnormal skin pigmentation

If you have been prescribed Daraprim
for toxoplasmosis please check the
leaflet for the sulphonamide
antibiotic you should also have been
prescribed.
Reporting of side effects

6 Contents of the pack &
other information
What Daraprim contains

GSK-CAN-Mississauga-CAMIS
United Kingdom-GBR

What Daraprim looks like and
contents of the pack

Daraprim

Daraprim tablets are white and
round with the marking ‘GS A3A’.
Your Daraprim tablets are in cartons
of 30 tablets.
Marketing Authorisation Holder
and Manufacturer

By reporting side effects you can
help provide more information on the
safety of this medicine.

Manufacturer:
Aspen Bad Oldesloe GmbH,
Industriestrasse 32-36,
23843 Bad Oldesloe, Germany.

5 How to store Daraprim

Other formats

• Do not use Daraprim after the ‘use
by’ date which is stated on the
pack. The date refers to the last
day of the month.

10000000136972

• The other ingredients are lactose
monohydrate, maize starch,
hydrolysed starch, docusate sodium
and magnesium stearate.

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.

• Keep out of sight and reach of
children.

2

• The active substance is
pyrimethamine. Each tablet
contains 25 mg of the active
substance.

N/A
0002456

N/A

Marketing Authorisation Holder:

N/A

The Wellcome Foundation Ltd,
Stockley Park West, Uxbridge,
Middlesex UB11 1BT

1
K

0

To listen to or request a copy of this
leaflet in Braille, large print or audio
please call, free of charge:

0

0800 198 5000 (UK only).
Please be ready to give the following
information:

• Store these tablets below 30°C and
inside the original packaging to
protect them from light.

Product name: Daraprim 25 mg
tablets

• 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
protect the environment.

This is a service provided by the
Royal National Institute of Blind
People.

Reference number: 00003/5026R

This leaflet was last revised in:
June 2015

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Daraprim is a registered trade mark
of the GSK group of companies

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Yes

©2015 GSK group of companies. All
rights reserved.

Mississauga - Additional Artwork Information Panel
Specification Number:
(Does NOT include Specification version number)

GSLFLT002

Replaces Item Code:

A124720

Component Basic Dimensions:

311.15 x 628.65

(in mm)

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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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