Patient info

Nityr 10 mg tablets – patient leaflet, side effects, dosage

Updated:
Medicine strength:
10 mg
Contains active substance:
ATC code:

Patient leaflet - Nityr 10 mg tablets

1. WHAT NITYR IS AND WHA

T IT IS USED FOR

Nityr contains the active subst Nityr is used to treat:

ance nitisinone.

  • A rare disease called hered adults, adolescents and chi

    itary tyrosinemia type 1 in ldren.

  • A rare disease called alkapt

    onuria (AKU) in adults

In these diseases your body down the amino acid tyrosine of our proteins), forming substances are accumulated breakdown of tyrosine and t

is unable to completely break (amino acids are building blocks harmful substances. These in your body. Nityr blocks the he harmful substances are not

formed.

For the treatment of heredita follow a special diet while because tyrosine will remain i based on low tyrosine and phe content.

ry tyrosinemia type 1, you must you are taking this medicine, n your body. This special diet is nylalanine (another amino acid)

For the treatment of AKU, your a special diet.

doctor may advise you to follow

2. WHAT YOU NEED TO KNO

W BEFORE YOU TAKE NITYR

Do not take Nityr

  • if you are allergic to nitisin ingredients of this medicin

    one or any of the other e (listed in section 6).

Do not breast-feed while tak “Pregnancy and breast-feeding

ing this medicine, see section ”.

Warnings and precautions

Talk to your doctor or pharma

cist before taking Nityr.

PaperTBC

Cycle Pharma Previous Code

an ophthalmologist before ne treatment.

her signs of effects on the eyes, ately for an eye examination. n of inadequate dietary control

During the treatment, blood s for your doctor to check whet and to make sure that there causing blood disorders.

amples will be drawn in order her the treatment is adequate are no possible side effects

If you receive Nityr for treatm type 1, your liver will be check the disease affects the liver.

ent of hereditary tyrosinemia ed at regular intervals because

Follow-up by your doctor sh months. If you experience any are recommended.

ould be performed every 6 side effects, shorter intervals

Other medicines and Nityr

Tell your doctor or pharmacist i

f you are taking, have recently taken or might take any other m Nityr may interfere with the eff

edicines.

ect of other medicines, such as: as phenytoin)

  • Medicines for epilepsy (such
  • Medicines against blood clo

    tting (such as warfarin)

Nityr with food

Nityr can be taken with or w course of treatment.

ithout food throughout your

Pregnancy and breast-feeding

The safety of this medicine has and breast-feeding women. If you are pregnant or breas pregnant or are planning to ha pharmacist for advice before ta Do not breast-feed while taking not take Nityr”.

not been studied in pregnant t-feeding, think you may be ve a baby, ask your doctor or king this medicine.

this medicine, see section “Do

Driving and using machines

This medicine has minor influe use machines. However, if affecting your vision you shou until your vision is back to norm effects”).

nce on the ability to drive and you experience side effects ld not drive or use machines al (see section 4 “Possible side

Nityr contains lactose

If you have been told by yo intolerance to some sugars, con this medicine.

ur doctor that you have an tact your doctor before taking

3. HOW TO TAKE NITYR

Always take this medicine exact Check with your doctor or phar

ly as your doctor has told you. macist if you are not sure.

For hereditary tyrosinemia t medicine should be started experienced in the treatment o

ype 1, treatment with this and supervised by a doctor f the disease.

For hereditary tyrosinemia typ daily dose is 1 mg/kg body we doctor will adjust the dose indi It is recommended to admi However, due to the limited dat <20 kg, it is recommended to d two daily administrations in thi

e 1, the recommended total ight administered orally. Your vidually.

nister the dose once daily. a in patients with body weight ivide the total daily dose into s patient population.

For AKU, the recommended do

se is 10 mg once daily.

owcard or search for MHRA or Apple App Store.

http://www.mhra.gov.uk/yell

Yellow Card in the Google Play

Patients who have problems s are recommended to take alte

wallowing Nityr tablets whole, rnative nitisinone formulations.

By reporting side effects y information on the safety of th

ou can help provide more is medicine.

If you take more Nityr than yo

u should

If you have taken more of th contact your doctor or pharma

is medicine than you should, cist as soon as possible.

If you forget to take Nityr

Do not take a double dose to you forget to take a dose, cont

make up for a forgotten dose. If act your doctor or pharmacist.

If you stop taking Nityr

If you have the impression th properly, talk to your doctor. D the treatment without talking

at the medicine is not working

o not change the dose or stop to your doctor.

If you have any further questio ask your doctor, pharmacist or

ns on the use of this medicine, nurse.

4. POSSIBLE SIDE EFFECTS

Like all medicines, this med although not everybody gets t

icine can cause side effects, hem.

If you notice any side effects r doctor immediately to have a with nitisinone leads to higher which can cause eye related hereditary tyrosinemia type related side effects (may affec caused by higher tyrosine leve (conjunctivitis), opacity and (keratitis), sensitivity to light Inflammation of the eyelid (ble effect (may affect up to 1 in 10

elating to the eyes, talk to your n eye examination. Treatment levels of tyrosine in the blood symptoms. In patients with 1, commonly reported eye t more than 1 in 100 people) ls are inflammation in the eye inflammation in the cornea (photophobia) and eye pain. pharitis) is an uncommon side 0 people).

In AKU patients, eye irritation very commonly reported side in 10 people).

(keratopathy) and eye pain are effects (may affect more than 1

Other side effects reported tyrosinemia type 1 are listed b

in patients with hereditary elow:

Other common side effects

  • Reduced number of platele white blood cells (leukopen blood cells (granulocytopen

    ts (thrombocytopenia) and ia), shortage of certain white ia).

Other uncommon side effects

  • increased number of white

    blood cells (leucocytosis), mmation (exfoliative

  • itching (pruritus), skin infla dermatitis), rash.

Other side effects reported in below:

patients with AKU are listed

5. HOW TO STORE NITYR Keep this medicine out of the s

ight and reach of children.

Do not use this medicine after on the carton and bottle labe refers to the last day of that m

the expiry date which is stated l after “EXP”. The expiry date onth.

Do not store above 30°C.

Store in the original bottle in o Once the bottle is opened, the period of 2 months, after whic

rder to protect from light. medicine can be stored for a h it must be discarded.

Do not throw away any m household waste. Ask your ph

edicines via wastewater or armacist how to throw away medicines you no longer us protect the environment.

e. These measures will help

6. CONTENTS OF THE PACK A

ND OTHER INFORMATION

What Nityr contains

  • The active substance is nitis

    inone.

  • Each tablet contains 10 mg

    nitisinone.

  • The other ingredients are gl monohydrate (see sectio lactose’).

    ycerol dibehenate and lactose n 2 under ‘Nityr contains

What Nityr looks like and cont

ents of the pack

Nityr are white to beige, round light yellow to brown speckles and “10” on the other side. Nityr is available in a bottle con

, flat tablets which may display marked with “L” on one side taining 60 tablets.

Marketing Authorisation Hold

er

Cycle Pharmaceuticals Ltd

The Broers Building, 21 JJ Thomson Avenue, Cambridge, CB3 0FA

United Kingdom

Manufacturer

Central Pharma Contract Packa Caxton Rd,

ging Ltd

Bedford, MK41 0XZ

United Kingdom

This leaflet was last revised on

24 June 2024

Other common side effects

  • bronchitis
  • pneumonia
  • itching (pruritus), rash

    Patented: see

    www.cyclepharma.com/produ

    ct-patent-information

Reporting of side effects

If you get any side effects, talk nurse. This includes any possib leaflet. You can also repo the Yellow Card Scheme Websi

to your doctor, pharmacist or le side effects not listed in this rt side effects directly via te:

AW000333

Printable Colours: 1

UKAW000333
Date
DescriptionNityr Tablets 10 mg
AW000317

CMO Code

Flat Size

Folded Size

Tech. Drawing

Notes

N/A

N/A

10 pt N/A pt

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PLGB 45886/0001

Last revision stated in the text: 24 June 2024 · MHRA data as of 13 October 2026

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Nityr 10 mg tablets

Active substance Nitisinone
Strength 10 mg
Pharmaceutical form White to beige, round (7 mm), flat tablets which may display light yellow to brown speckles, marked “10” on one side and “L” on the other side.
Excipients Glycerol dibehenate, Lactose monohydrate
Shelf life 3 years.
During the shelf life, the patient may store the bottle after first opening for a period of 2 months, after which the medicinal product must be discarded.
Storage Do not store above 30°C.
Store in the original bottle in order to protect from light.
Drug group (ATC) Other alimentary tract and metabolism products, Various alimentary tract and metabolism products
  1. A Alimentary tract and metabolism drugs
    1. A16 Other alimentary tract and metabolism products
      1. A16A Other alimentary tract and metabolism products
        1. A16AX Various alimentary tract and metabolism products
          1. A16AX04 nitisinone
Marketing authorisation PLGB 45886/0001 (first authorised 4 May 2023)
Marketing authorisation holder Cycle Pharmaceuticals Ltd

Sources: the MHRA product information (products.mhra.gov.uk). Contains public sector information licensed under the Open Government Licence v3.0.