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Package leaflet: Information for the patient user
Ranitidine Tablets BP
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, 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.
What is in this leaflet
What Ranitidine is and what it is used for
What you need to know before you take Ranitidine
How to take Ranitidine
Possible side effects
How to store Ranitidine
Contents of the pack and other information

What Ranitidine is and what it is used for

Ranitidine belongs to a group of medicines called H2 antagonists. These medicines work by reducing
the amount of acid in the stomach.
For adults (including the elderly) Ranitidine is used to:
- heal and prevent ulcers in the stomach or the part of the gut it empties into, the duodenum
- prevent ulcers from bleeding
- heal and prevent problems caused by acid in the food pipe (oesophagus) or to much acid in the
stomach, which can cause pain or discomfort known as “indigestion”, “dyspepsia” or “heartburn”
- prevent ulcers, which can be a side effect of some medicines used to treat arthritis especially in
women during labour
- clear up infection with the germ Helicobacter pylori when used with antibiotics
For children (3 to 18 years) Ranitidine is used to:
- heal ulcers in the stomach, or the part of the gut it empties into (the duodenum)
- heal and stop problems caused by acid in the food pipe (oeosophagus) or too much acid in the
stomach. Both of these can cause pain or discomfort sometimes known as “indigestion”,
“dyspepsia” or “heartburn”.
If you are not sure why you are taking these tablets ask your doctor.

What you need to know before you take Ranitidine

Do not take Ranitidine:
- if you are allergic to ranitidine or any of the other ingredients of this medicine (listed in section 6).
Warnings and precautions
Talk to your doctor or pharmacist before taking Ranitidine if:
- you suffer from kidney disease
- you have a rare condition called porphyria
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Ranitidine may hide the symptoms of other diseases. Before starting ranitidine treatment your doctor
may carry out tests to confirm your conditions and/or exclude other diseases.
If you are elderly with chronic lung problems, diabetes or a weak immune system, you may be at
greater risk of developing a lung condition called “community acquired pneumonia”.
Other medicines and Ranitidine
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other
medicines, including medicines obtained without a prescription, especially any of the following
- propranolol, procainamide or n-acetylprocainamide, for heart problems
- Non-Steroidal Anti-Inflammatory (NSAID) medicines, for pain and inflammation (e.g. ibuprofen,
- lidocaine, a local aneasthetic
- diazapam, for worry or anxiety
- phenytoin for epilepsy
- theophylline, for breathing problems (asthma)
- warfarin or coumarin, for thinning the blood (ranitidine may change the effect of these drugs and
increase or reduce the blood clotting time)
- glipizide, for lowering blood glucose
- atazanavir or delviridine, for treating HIV infection
- triazolam, for insomnia
- gefitnib, for lung cancer
- ketoconazole, an anti fungal medicine, sometimes used for treating thrush
- midazolam is a medicine that may be given to you just before you have an operation. Tell your
doctor if you are taking Ranitidine before your operation in case he/she wants to give you
Pregnancy and breast-feeding
Ranitidine can enter the baby’s blood if taken when you are pregnant and is found in human breast
milk if taken when you are breast-feeding. Ranitidine should only be taken when you are pregnant or
breast-feeding if it is absolutely necessary.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask
your doctor or pharmacist for advice before taking this medicine.
Driving and using machines
This medicine is not expected to affect your ability to drive or use machines, however if you get any
side effects such as dizziness, uncontrolled movements or blurred vision, speak to your doctor before
attempting such activities.

How to take use Ranitidine

Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist
if you are not sure.
Swallow the tablets whole with a drink of water.
Adults (including the elderly)
The usual dosage is either one Ranitidine Tablet BP 150 mg in the morning and one tablet in the
evening, or for some conditions one Ranitidine Tablet BP 300 mg at bedtime. Depending on your
symptoms, your doctor may wish to prescribe a dose of 300 mg twice daily.
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If you have the germ Helicobacter pylori the doctor will also prescribe antibiotics to be taken for two
weeks whilst taking Ranitidine tablets BP, relief of your symptoms will usually be rapid. The
treatment should last for at least 4 weeks and up to 8 weeks. Most ulcers will have healed by this time.
If you have oesophagitis treatment may last for up to 12 weeks and your doctor may prescribe
Ranitidine Tablets BP 150 mg four times daily. After your ulcer has healed, your doctor may
prescribe a maintenance dose of 150 mg at bedtime, especially if you have had an ulcer return.
To prevent the breathing in of acid from the stomach during general anaesthesia a dose of 150 mg
Ranitidine may be given the evening before the operation and 150 mg two hours before the
anaesthetic. Or during labour, a dose of 150 mg Ranitidine may be given every six hours.
Use in children and adolescents
For children 12 years and over the adult dosage is given.
For children over 30 kg in weight and from 3 to 11 years:
Your doctor will work out the right dose for you based on your child’s weight
Treatment of stomach or duodenal (small intestine) ulcers:
The usual dose is 2 mg for each kg of body weight, twice a day for four weeks. This dose may be
increased to 4 mg for each kg, twice a day. Take each dose about 12 hours apart. The duration of
treatment may be increased to 8 weeks.
Treatment of heartburn due to too much acid:
The usual dose is 2.5 mg for each kg of body weight, twice a day for two weeks. This dose may be
increased to 5 mg for each kg, twice a day. Take each dose about 12 hours apart.
If you take more Ranitidine than you should
It is important to stick to the dose on the label of your medicine. Taking more medication than this is
unlikely to be dangerous unless many tablets are taken at once. In that case, do not delay, contact your
doctor or hospital emergency department immediately.
If you forget to take Ranitidine
If you forget to take a dose take is as soon as you remember. If it is almost time for your next dose
though, do not take a double dose to make up for a forgotten dose, just carry on as before.
If you stop taking Ranitidine
After a few days you should feel much better but do not stop taking this medicine unless your doctor
tells you, or the pain and discomfort may return.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.
If any of the following happen, stop taking Ranitidine and tell your doctor immediately or go to
your nearest hospital emergency department:
Rare (may affect up to 1 in 1,000 people)
 Signs of an allergic reaction, which may include swelling or rash on the lips, tongue or face,
fever, chest or throat pain, difficulty breathing or low blood pressure.

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Very rare (may affect up to 1 in 10,000 people)
 Inflammation of the pancreas, causing severe stomach pain that can spread to the back.
 Inflammation of the liver (hepatitis), which may cause yellowing of the skin and whites of the
eyes, loss of appetite, fever, feeling generally unwell, pale stools or dark urine.
 Problems with your heart causing an irregular or slower than usual heart beat or ‘missed’
 Difficulty or pain when urinating, with back pain, fever or generally feeling unwell. These
may be signs of problems with your kidneys.
 Changes to the number of cells in your blood that may cause you to feel more tired than usual
or have pale skin (fewer red blood cells), have more frequent infections with fever, chills, sore
throat of mouth ulcers (fewer white blood cells), or to bleed or bruise more easily or for longer
than usual (fewer platelets).
Other possible side effects
Uncommon (may affect up to 1 in 100 people)
 Feeling sick, stomach pain or constipation
Rare (may affect up to 1 in 1,000 people)
 Changes in liver or kidney function, which will show up on a blood test
 Skin rash
Very rare (may affect up to 1 in 10,000 people)
 Feeling low or sad (depression), seeing or hearing things that are not there (hallucinations) or
 Fast heart beat
 Headache (possibly severe), dizziness, uncrontrolled movements or blurred vision
 Diarrhoea
 Inflammation of blood vessels often with skin rash (vasculitis)
 Red patches on the skin
 Hair loss
 Joint or muscle pain
 Inability to get or maintain an erection, swelling of the breasts in men (gynaecomastia) or
unexpected production of milk in women
Not known (cannot be estimated from the available data)
 Shortness of breath
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 the
website By reporting side effects you can help provide more
information on the safety of this medicine.

How to store Ranitidine

Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the carton after EXP. The expiry date
refers to the last day of that month.
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Store below 25°C in a dry place. Protect from heat and moisture.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to
throw away medicines you no longer use. These measures will help protect the environment.

Contents of the pack and other information

What Ranitidine contains
The active substance is ranitidine. One 150 mg tablet contains 168 mg Ranitidine Hydrochloride
equivalent to 150 mg Ranitidine. Whilst one 300 mg tablet contains 336 mg Ranitidine Hydrochloride
equivalent to 300 mg Ranitidine.
The other ingredients areEach tablet also contains microcrystalline cellulose and magnesium stearate
and the 300 mg tablet also contains croscarmellose sodium. The coating contains
methylhydroxypropyl cellulose, titanium dioxide (E171), polydextrose, triethyl citrate and
polyethylene glycol.
What Ranitidine looks like and contents of the pack
Your medicine is in the form of a coated tablet. There are two strengths of Ranitidine Tablets BP
available, 150 mg (marked “G” on one side and “00” over “30” on the other) and 300 mg (marked
“G” on one side and “0031” on the other).
Ranitidine Tablets BP 150 mg are available in blisters packs of 60 tablets and Ranitidine Tablets BP
300 mg in blister packs of 30 tablets.
Not all pack sizes may be marketed.
Marketing Authorisation Holder
Generics [UK] Limited, Station Close, Potters Bar, Herts EN6 1TL
Generics [UK] Limited, Potters Bar, Herts, EN6 1TL
This leaflet was last revised in November 2014

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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.