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Active substance(s): RIFAMPICIN

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Rimactane® 300 mg Capsules



Important things you need to know about Rimactane 300 mg Capsules
• It is very important that you take Rimactane exactly as your doctor has told you. There is a chance of
you having a severe and dangerous allergic reaction if you do not take Rimactane each day as you
are told.
• You must keep taking Rimactane until your doctor tells you to stop.
• If you are taking any other medicines, including medicines you have bought from the pharmacy or
shop, you must make sure your doctor knows.
• Rimactane makes all your body fluids an orange or red colour. Do not worry – this is normal and not
• Take Rimactane on an empty stomach. This means at least 30 minutes before food or 2 hours after
• If you get a temperature, are sick, begin to feel more unwell, lose your appetite or have yellowing of
the skin, gums or eyes, you must talk to your doctor straight away.
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 any further questions, 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 of the side-effects, talk to your doctor or pharmacist. This includes any possible side
effects not listed in this leaflet. See section 4.
What is in this leaflet:
1. What Rimactane is and what it is used for
2. What you need to know before you take
3. How to take Rimactane
4. Possible side effects
5. How to store Rimactane
6. Contents of the pack and other information


What Rimactane is and what it is
used for

Rimactane Capsules contain a medicine called
rifampicin. It belongs to a group of medicines called
anti-bacterials. It works by killing the bacteria that
cause infections.
Rimactane Capsules are used to treat the following
bacterial infections:
• In combination with other drugs for the treatment
and prevention of tuberculosis (also known as
TB), an infectious disease mainly affecting the
lungs, and some other infections
• Prevention of meningococcal meningitis.


What you need to know before
you take Rimactane

Do not take Rimactane if you:
• are allergic to active substance or to any of the
other ingredients of this medicine (listed in
section 6).
Signs of an allergic reaction include: a rash,
swallowing or breathing problems, swelling of
your lips, face, throat or tongue.
• have jaundice – yellowing of the skin or whites of
the eyes caused by liver or blood problems.
• are taking saquinavir or ritonavir for an HIV
infection (see ‘Other medicines and Rimactane’
section below).

Do not take if any of the above applies to you. If you
are not sure, talk to your doctor or pharmacist
before taking Rimactane Capsules.
Warnings and precautions
Talk to your doctor or pharmacist before taking
Rimactane if you:
• have a rare blood disorder called ‘porphyria’.
• have or previously had any liver problem.
• have any kidney problems and if you are having
more than 600 mg rifampicin per day.
• have a history of alcohol dependence.
• have taken a course of rifampicin in the past.
• have diabetes. Your diabetes may become more
difficult to control while taking this medicine.
• feel numb or weak in your arms and legs
(peripheral neuropathy).
• are under weight or malnourished.
• wear contact lenses. Taking Rimactane Capsules
may permanently stain soft contact lenses. Do
not wear soft contact lenses whilst you are taking
this medicine and for one week after stopping
• the person taking this medicine is a child.
• are aged 65 years or older.
If you are not sure if any of the above applies to
you, talk to your doctor or pharmacist before taking
Rimactane Capsules.
Blood Tests
Your doctor will need to check your blood before
you take this medicine. This will help your doctor
know if any changes happen to your blood after
taking this medicine. You may also need to have
regular blood tests to check how your liver is

Other medicines and Rimactane
Tell your doctor or pharmacist if you are
taking, have recently taken or might take any other
medicines. This includes medicines you buy without
a prescription, including herbal medicines. This is
because Rimactane Capsules can affect the way
some other medicines work. Also some medicines
can affect the way Rimactane Capsules work.
In particular, do not take this medicine, and tell
your doctor, if you are taking:
• Saquinavir or ritonavir used for HIV infection.
The following medicines can make Rimactane
Capsules work less well:
• Antacids used for indigestion. Take Rimactane
Capsules at least 1 hour before taking antacids
• Other medicines used for TB such as
P-aminosalicyclic acid (PAS). PAS and
Rimactane Capsules should be taken at least
8 hours apart.

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Tell your doctor if you are taking any of the
following medicines:
Heart and blood medicines
• for high blood pressure, heart disorders or to
control your heartbeat such as
- digoxin
- antiarrhythmics (e.g. quinidine, lorcainide,

- beta blockers (e.g. propranolol, atenolol)
- calcium channel blockers (e.g. nifedipine,
amlodipine, verapamil)
- ACE inhibitors (e.g. enalapril, imidapril)
- vasodilators (e.g. bosentan)
- water tablets (diuretics) such as eplerenone
• used to thin the blood such as warfarin
• used to lower cholesterol
• used to reduce blood lipid level such as
simvastatin, fluvastatin.

Mental health, epilepsy and motor neurone
• for thought disorders known as ‘antipsychotics’
such as haloperidol
• to calm or reduce anxiety (hypnotics, anxiolytics)
• to help you sleep (barbiturates)
• used for epilepsy such as phenytoin
• used for depression such as amitriptyline and
• riluzole - used for motor neurone disease.
Medicines for infections and the immune
• used for viral infections such as indinavir,
efavirenz, amprenavir, nelfinavir, atazanavir,
lopinavir and neviparine
• used for fungal infections
• used for bacterial infections (antibiotics)
• used for lowering your immune system such as
ciclosporin, sirolimus and tacrolimus
• praziquantel - used for tapeworm infections
• atovaquone - used for pneumonia

Hormone and cancer medicines
• some hormone medicines (oestrogen, systemic
hormones, progestogens) used for contraception
or some types of cancer such as ethinyloestradiol,
levonorgestrel or dydrogesterone
• some hormone medicines (anti-estrogens) used
for breast cancer or endometriosis such as
tamoxifen, toremifene and gestrinone
• used for cancer (cytotoxics) such as imatinib
• levothyroxine (thyroid hormone) used for thyroid
• irinotecan - used for cancer.
Pain, inflammation and gout medicines
• non-steroidal anti-inflammatory drugs (NSAIDS)
such as etoricoxib, aspirin and indometacin
• used for pain such as codeine, morphine,
fentanyl or pethidine
• corticosteroids used for inflammation such as
hydrocortisone, betamethasone and
• methadone - used for heroin withdrawal.
Other medicines
• used for diabetes
• used to relax muscles before surgery
(anaesthetics) such as halothane
• used for feeling sick or being sick such as
ondansetron and aprepitant
• quinine - used for malaria
• theophylline - used for wheezing or difficulty in
• fesoterodine - used for overactive bladder
• tadalafil - used for impotence
• cimetidine - used for ulcer-healing drugs.

Taking Rimactane with food and drink
Take Rimactane on an empty stomach. This means
at least 30 minutes before food or 2 hours after
food. Do not drink any alcohol while you are taking

Pregnancy and breast-feeding
Talk to your doctor before taking this medicine if you
are pregnant, plan to get pregnant or think you are
Rimactane may make the contraceptive “pill” work
less well. This means you should change to a
different type of contraception. Instead, you must
use a reliable barrier method of contraception such
as condoms or the “coil” while taking Rimactane. If
you have any questions or are unsure about this
talk to your doctor or pharmacist.
You should not breast-feed if you are taking
Rimactane. This is because small amounts may
pass into the mothers’ milk. If you are
breast-feeding or planning to breast-feed, talk to
your doctor or pharmacist before taking any
Driving and using machines
You may feel dizzy or faint, have problems with
vision or have other side effects that could affect
your ability to drive while taking this medicine. If this
happens, do not drive or use any tools or machines.

Continued on the next page >>

Rimactane contains lactose
If you have been told by your doctor that you have
an intolerance to some sugars, contact your doctor
before taking this medicinal product.


How to take Rimactane

Always take this medicine exactly as your doctor
has told you. Check with your doctor or pharmacist
if you are not sure.

Take your medicine on an empty stomach. The best
time to take it is half an hour before a meal with
For the treatment of tuberculosis:
Adults: 450 mg or 600 mg Rimactane daily,
depending on your weight, for 6-9 months.

Children: 10 mg to 20 mg per kg of body weight
daily for 6-9 months. The maximum dose is 600 mg
each day.

Occasionally the Rimactane dose is given 2-3 times
a week instead of daily.
Rimactane must always be taken with at least one
and preferably two other anti-tuberculosis drugs.
For the prevention of meningococcal
Adults: 600 mg twice a day for 2 days.

Children over 1 month: 10 mg per kg every
12 hours for 2 days.

Children under 1 month: 5 mg per kg every
12 hours for 2 days.
The maximum dose is 600 mg.

If you are not sure how many capsules to take, ask
your doctor or pharmacist.
Second time (or subsequent) treatment
If you have been treated with Rimactane before,
your doctor will probably start with a smaller dose.

If you take more Rimactane than you should
If you take more Rimactane than you should, tell a
doctor or go to a hospital casualty department
straight away. Take the medicine pack with you.
This is so the doctor knows what you have taken.
You may feel sick (nausea), be sick (vomiting), have
stomach pain, itching or a headache. You may also
feel tired, sleepy, dizzy or light-headed. Other signs
of taking too much includes swelling of the face,
eyes or eyelids, slurring of speech, difficulty
breathing, fast heartbeat, uneven heartbeats, fits
and heart attack.
If you forget to take Rimactane
If you forget to take a tablet 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 to make up for a
forgotten tablet.

If you stop taking Rimactane
Keep taking Rimactane until your doctor tells you to
stop. Do not stop taking Rimactane just because
you feel better. If you stop, your infection may get
worse. If you have any further questions on the use
of this product, ask your doctor or pharmacist.
Taking Rimactane may affect the results of some
blood tests. In particular, tests for folate, vitamin
B12 and liver function. If you are going to have a
blood test, it is important to tell your doctor that you
are taking Rimactane.


Possible side effects

Like all medicines, this medicine can cause
side-effects although not everybody gets them.

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Serious side effects:
If you have any of the following symptoms of a
serious side effect stop taking this medicine
and tell your doctor immediately or go to the
casualty department at your nearest hospital:
• you get blistering, peeling, bleeding, scaling or
fluid filled patches on any part of your skin. This
includes your lips, eyes, mouth, nose, genitals,
hands or feet. You may have a serious skin problem
e.g Stevens-Johnson syndrome, Drug Reaction
with Eosinophilia and Systemic Symptoms
(DRESS) syndrome (a drug reaction that causes
rash, fever inflammation of internal organs, blood
abnormalities), vasculitis, exudative conjunctivitis
and generalised hypersensitivity reactions, e.g.
exfoliative dermatitis, Lyell's syndrome and
pemphigoid reactions.
• you get allergic reactions causing rashes, fever,
difficulty breathing, swallowing problem,
wheezing, swelling of the face, lips, tongue,
throat, hands or feet.
• you have a fever and yellowing of the skin or whites
of the eyes, feel tired, weak or generally unwell, loss
of appetite (anorexia), feeling sick (nausea), being
sick (vomiting). These may be early signs of liver
• you bruise more easily than usual. Or you may
have a painful rash of dark red spots under the
skin which do not go away when you press on
them (purpura). This could be because of a
serious blood problem.
• you have chills, tiredness, unusually pale skin
colour, shortness of breath, fast heartbeat or dark
coloured urine. This could be signs of a serious
type of anaemia.
• you have blood in your urine or an increase or
decrease in amount of urine you produce. You may
also get swelling, especially of the legs, ankles or
feet. This may be caused by serious kidney
• you have a sudden severe headache. This could
be a sign of bleeding in the brain.
• shortness of breath and wheezing
• you get confused, sleepy, cold clammy skin,
shallow or difficult breathing, racing heartbeat or
your skin is paler than normal. These could be
signs of shock.
• you get more infections more easily than normal.
Signs include fever, sore throat or mouth ulcers.

This could be because you have a low number of
white blood cells.
you have bleeding from your nose, ear, gums,
throat, skin or stomach. Signs may include a feeling
of tenderness and swelling in your stomach, purple
spots on your skin and black or tar-like stools.
you have flu-like symptoms including chills, fever,
headache, dizziness and bone pains may be
followed by bleeding into the skin, breathing
difficulties, asthma-like attacks, anaemia, shock
and kidney failure.
you have diarrhoea that is serious, lasts a long
time or has blood in it with stomach pain or fever
(Pseudomembranous colitis).
you have mental problems with unusual thoughts
and strange visions (hallucinations).

Other side effects:

Common side effects – affects less than 1 out of
10 people
• Low blood platelet count (thrombocytopenia) with
or without purpura, usually associated with
intermittent therapy, but is reversible if drug is
discontinued as soon as purpura occurs.
• Nausea, vomiting
Uncommon side effects – affects less than 1 out
of 100 people
• Low white blood cell count (leukopenia)
• Diarrhoea

You may notice a reddish colour in your urine, sweat,
phlegm (sputum), saliva or tears. This is quite common
and you need not worry. However, the red colour
may permanently stain soft contact lenses. The red
colour in tears may last for some time after you
have stopped taking the capsules. Do not wear
lenses until you are sure your tears are colourless.
Blood tests
• A blood test may show changes in the way the
liver is working.

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 ( or search
for MHRA Yellow Card in Google play or Apple App
store. By reporting side effects you can help provide
more information on the safety of this medicine.


How to store Rimactane

Keep this medicine out of the sight and reach of
Do not take this medicine after the expiry date
which is stated on the pack. The expiry date refers
to the last day of that month.
Rimactane should be kept in the original package,
in a safe, dry place at room temperature (below

Do not throw away medicines via wastewater or
household waste. Ask your pharmacist how to throw
away of medicines no longer use. These measures
will help protect the environment.


Contents of the pack and other

What Rimactane contains
The active substance in Rimactane is rifampicin.
Each Rimactane 300 mg capsule contains 300 mg
The other ingredients are: calcium stearate, lactose,
titanium dioxide (E171), iron oxide red (E172), iron
oxide black (E172), gelatine, shellac glaze,
propylene glycol (E1520) and ammonium hydroxide
(E527) and iron oxide yellow (E172).

What Rimactane looks like and the contents of
the pack
Rimactane 300 mg capsules are opaque, two-piece,
hard gelatine capsules, reddish-brown in colour,
marked with ‘NG 300’.
The capsules come in secure containers of 100 and
blister packs of 60. Not all pack sizes may be
Marketing Authorisation Holder and
Sandoz GmbH,
Biochemiestr. 10, 6250 Kundl,

This leaflet was last revised in 12/2017.


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