What Agrylin is used for and how to use it
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Agrylin - Consumer Medicine Information

Manufacture: Shire, Inc.
Country: Canada
Condition: Thrombocythemia
Class: Miscellaneous uncategorized agents
Form: Capsules
Ingredients: anagrelide hydrochloride, black iron oxide, crospovidone, gelatine, lactose anhydrous, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone, silicone dioxide, sodium lauryl sulphate, titanium dioxide

anagrelide hydrochloride capsules

About This Medication

What the Medication is Used For

AGRYLIN is prescribed for the treatment of patients with thrombocythemia secondary to myeloproliferative disorders. Thrombocythemia is a condition in which there are too many platelets (the little cells which help the blood to clot) in the blood. Myeloproliferative disorders are diseases in which one or more of the types of cells that make up the blood are being overproduced.

Lowering platelet counts results in improving symptoms, including serious symptoms related to blockages in blood vessels and bleeding.

AGRYLIN is intended for long-term usage and has not been evaluated for treatment of the short-term life threatening complications of having too many platelets in the blood.

What It Does

The way that AGRYLIN works in the body to reduce your platelet count is not fully understood. AGRYLIN is believed to reduce the number of platelets by affecting megakaryocytes (the cells that produce platelets). Its action slows down platelet production.

Although AGRYLIN lowers platelet counts to more normal levels, it does not affect the body's natural process to clot blood when needed.

When It Should not be Used

You should not take AGRYLIN if you:

  • Have severe liver disease
  • Are allergic to anagrelide or any of the other nonmedicinal ingredients (see What the nonmedicinal ingredients are:) in AGRYLIN or its container.

What the Medicinal Ingredient Is

anagrelide hydrochloride

What the Nonmedicinal Ingredients Are

Black iron oxide, crospovidone, gelatine, lactose anhydrous, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone, silicone dioxide, sodium lauryl sulphate, titanium dioxide

What Dosage Forms It Comes In

Capsule 0.5mg

Warnings and Precautions

BEFORE you use AGRYLIN talk to your doctor or pharmacist if:

  • You were born with or have family history of prolonged QT interval (seen on ECG, electrical recording of the heart), or you are taking other medicines that result in abnormal ECG changes or if you have low levels of electrolytes in your blood e.g., potassium, magnesium or calcium
  • You have heart, lung, liver or kidney disease
  • You are pregnant or planning a pregnancy
  • You are breast feeding.

AGRYLIN is not recommended in women who are or may become pregnant.

Limited data are available in patients under the age of 16 years.

Caution should be used when driving vehicles or machinery.

Interactions With This Medication

Tell your doctor or pharmacist about any medication that you are taking, including non-prescription medications and natural health products.

Drugs that may interact with AGRYLIN include:

  • medicines that can alter your heart rhythm
  • acetylsalicylic acid
  • fluvoxamine
  • omeprazole
  • theophylline
  • milrinone
  • sucralfate
  • CYP1A2 substrates/inhibitors

If AGRYLIN is taken in combination with acetylsalicylic acid (ASA), there is an increased risk of major bleeding. Before starting treatment, your doctor will consider for you the potential risks and benefits of using AGRYLIN with acetylsalicylic acid (ASA). If, for any reason, you already have an increased risk of bleeding, you should talk to your doctor.

Grapefruit juice may also interact with AGRYLIN. Food may slow down the rate at which AGRYLIN is absorbed into your body.

Proper Use of This Medication

Usual Dose

Take as directed by your doctor.

Your doctor may check for heart disease before starting you on AGRYLIN.

Regular blood tests will be done at the start of your treatment and then at intervals. This will help your doctor monitor the liver’s response to AGRYLIN and that AGRYLIN is working for you. If you have kidney or liver problems, your doctor will monitor their function while you are taking AGRYLIN.


Possible symptoms of an overdose of anagrelide could include low platelet count, which can potentially cause bleeding.

In case of drug overdose, contact a health care practitioner, hospital emergency department or regional Poison Control Centre immediately, even if there are no symptoms.

Missed Dose

If you miss a dose at the beginning of your treatment, contact your doctor or pharmacist.

If you miss a dose during your long-term treatment, take the missed dose as soon as possible, unless it is almost time for your next dose. Skip the missed dose if it is almost time for your next regular dose. Do not take two doses at the same time.

Side Effects and What to Do About Them

The most common side effects with AGRYLIN are:

Abdominal pain, back pain, cough, digestive problems, headache, diarrhea, fatigue, fever, gas, loss of appetite, malaise, nausea, pain, redness and itching of skin, sore throat, tingling, vomiting, whirling sensation.

You may also experience: bruises, chills, constipation, dry mouth, ear problems (ringing in the ear), flushing, flu symptoms, hair loss, infection, infection of the sinuses, insomnia (difficulty falling asleep), muscle and bone pain, neck pain, nervousness, respiratory disease, changes in weight, skin problems, sweating.

Serious Side Effects, how Often They Happen and What to Do About Them

Symptom / effect Talk with your
doctor or
Stop taking
drug and
Only if
In all
Chest pain
Pounding or
irregular heartbeat
Edema: swelling
in your feet or
Trouble breathing
or shortness of
Common Bleeding
Blood in your
stools or urine
Blood Clots:
swelling, pain and
redness in an arm
or leg that can be
warm to touch.
You may develop
sudden chest pain,
difficulty breathing
and heart
inability to
concentrate, low
Asthma: difficulty
Fast or irregular
(pneumonia or
bronchitis): fever,
cough, chest pain
and shortness of
High blood
decreased or loss
of feeling or
sensation such as
Irritation or
infection of the
Loss of
Loss of memory
Low blood
lightheaded, dizzy,
shortness of breath
or fainting; may
occur when you go
from lying or
sitting to standing
Nose bleeding
Heart disease or
heart failure:
swollen legs or
ankles or difficulty
Trouble with
Urinary problems
Uncommon Supraventricular
tachycardia :
irregular and
abnormally fast
heart beat
Allergic lung
coughing, severe
trouble breathing,
shortness of breath,
fever, chills, body
Liver disorder:
nausea, vomiting,
loss of appetite,
yellowing of the
skin or eyes, dark
urine and unusual
Kidney disorder:
urination, nausea,
vomiting, swelling
of extremities,
Torsades de
pointes: lifethreatening
irregular heart
rhythm, dizziness,

* Frequency of event cannot be determined from available data. This is not a complete list of side effects. For any unexpected effects while taking AGRYLIN, contact your doctor or pharmacist.

How to Store It

Store from 15 °C to 25 °C in a light-resistant container. Keep out of reach and sight of children.

Reporting Suspected Side Effects

You can report any suspected adverse reactions associated with the use of health products to the Canada Vigilance Program by one of the following 3 ways:

  • Report online at www.healthcanada.gc.ca/medeffect
  • Call toll-free at 1-866-234-2345
  • Complete a Canada Vigilance Reporting Form and:
    • Fax toll-free to 1-866-678-6789, or
    • Mail to: Canada Vigilance Program
      Health Canada
      Postal Locator 0701E
      Ottawa, Ontario
      K1A 0K9

Postage paid labels, Canada Vigilance Reporting Form and the adverse reaction reporting guidelines are available on the MedEffect Canada Web site at www.healthcanada.gc.ca/medeffect.

NOTE: Should you require information related to the management of side effects, contact your health professional. The Canada Vigilance Program does not provide medical advice.

More Information

If you want more information about AGRYLIN:

  • Talk to your healthcare professional
  • Find the full product monograph that is prepared for health care professionals and includes the Consumer Information by visiting the Health Canada website http://hc-sc.gc.ca, the manufacturer’s website www.shire.canada.com, of by calling 1-800-268-2772