Diphereline (Triptorelin)

Complete patient guide for uses, dosage, side effects, and safety information

Prescription Required

Quick Facts

Generic Name

triptorelin

Drug Class

Gonadotrophin Releasing Hormone agonists (GnRHa)

Used For

Prostate cancer in men and Central Precocious Puberty in children

How Taken

Injected into the muscle, with varying frequencies depending on the dosage

What Is Diphereline Used For?

Diphereline is a medication that contains triptorelin, primarily used for treating specific hormone-related conditions.

Primary Uses

In adult men, Diphereline is used to manage prostate cancer that has spread to nearby tissues or other parts of the body. In children, the 22.5 mg dosage is used to treat Central Precocious Puberty, a condition where puberty begins too early.

How It Works

Diphereline works by lowering testosterone levels in men and estrogen levels in women, which can help slow or stop the growth of certain cancers.

Good to know: Diphereline is not considered addictive.

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How to Take Diphereline

Diphereline is administered via injection, typically by a healthcare professional.

Dosage Instructions

The dosage of Diphereline varies based on the condition being treated: 3.75 mg once a month, 11.25 mg every three months, or 22.5 mg every six months. Only the 22.5 mg dosage is used for treating Central Precocious Puberty in children.

What If You Miss a Dose?

If you miss a dose, contact your doctor as soon as possible to reschedule your injection.

Important: Do not double the dose if you miss an injection.

Available Tablet Strengths

3.75mg

3.75mg Tablet White, Vial • N/A

11.25mg

11.25mg Tablet White, Vial • N/A

22.5mg

22.5mg Tablet White, Vial • N/A

Side Effects

Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.

Common Side Effects

These side effects occur relatively frequently and usually don’t require emergency care:

Nausea
Dry mouth
Dizziness
Headache
Hot flushes
Mood changes
Impotence
Pain at the injection site

Seek immediate medical attention if you experience:

Allergic reactions (rash, swelling, difficulty breathing)
Severe back pain or difficulty passing urine
Chest pain
Seizures
Signs of high blood pressure in the brain (headache, blurred vision)
Signs of pituitary gland enlargement (sudden headache, vision problems)

Impulse Control Issues

There have been reports of mood changes and depression in patients taking GnRH analogues, which may be severe.

Important Warnings

It's crucial to be aware of specific warnings before using Diphereline.

Who Should Not Take Diphereline

Diphereline should not be used by individuals who have had allergic reactions to triptorelin or any of its ingredients, those with certain types of tumors that do not rely on hormones, or those who have had surgical removal of the testes.

Medical Conditions to Discuss

Discuss with your doctor if you have any other medical conditions, are taking other medications, or have a history of heart problems, diabetes, osteoporosis, or mood changes.

Pregnancy and Breastfeeding

Diphereline should not be used during pregnancy or breastfeeding. Consult your doctor if you are pregnant or plan to become pregnant.

Elderly Patients With Dementia: Special caution is advised for elderly patients, particularly those with dementia.

Drug Interactions

Certain medications can interact with Diphereline, affecting its efficacy.

Grapefruit interaction: No specific grapefruit interaction mentioned.

Anticoagulants (e.g., warfarin)
Medications affecting gonadotropin secretion
Heart rhythm medications (e.g., quinidine, amiodarone, sotalol)
Methadone
Moxifloxacin
Antipsychotics

Alcohol & Driving

Precautions regarding alcohol consumption and driving while on Diphereline are important.

Alcohol

Inform your doctor if you consume alcohol, as it may worsen dizziness or light-headedness.

Driving and Operating Machinery

Exercise caution when driving or using machinery until you know how Diphereline affects you.

Temperature Regulation

No specific temperature regulation warnings mentioned.

Storage

Store Diphereline in a cool, dry place below 25°C, away from moisture and heat.

Overdose Information

If you suspect an overdose, seek immediate medical attention. Contact the Poisons Information Centre at 13 11 26 or go to the nearest hospital.

Frequently Asked Questions

The effects of Diphereline may vary, but it typically begins to work within a few weeks.

There are no specific instructions regarding food interactions with Diphereline.

No, Diphereline is not considered addictive.

Do not stop taking Diphereline suddenly without consulting your doctor, as it may lead to a return of symptoms.

Inform your doctor if you drink alcohol, as it may increase dizziness.

Weight gain may occur, but it is important to monitor any changes and discuss them with your doctor.

Elderly patients should use Diphereline with caution, especially those with dementia.