Abarelix (Systemic)

Brand Names : Plenaxis

Before Using This Medicine

In deciding to use a medicine, the risks of using the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For abarelix, the following should be considered:

Allergies - Tell your doctor if you have ever had any unusual or allergic reaction to abarelix. Also tell your doctor if you are allergic to any other substances, such as foods, preservatives, or dyes.

Pregnancy - Abarelix is not for use in women.

Children - Studies on this medicine have only been done in adult patients, and there is no specific information comparing the use of abarelix in children with other age groups. Abarelix is not for use in children.

Older adults - This medicine has been tested and has not been shown to cause different side effects or problems in older people than it does in younger adults.

Other medicines - Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are using abarelix, it is especially important that your doctor and pharmacist know if you are taking any of the following:

• Antiarrhythmic medications (medicine for heart conditions), such as
• Amiodarone (e.g., Cordarone)
• Procainamide (e.g., Procan SR, Pronestyl)
• Quinidine (e.g., Quinidex)
• Sotalol (e.g., Betapace) - using these medicines at the same time as abarelix may cause your heart conditions to get worse

Other medical problems - The presence of other medical problems may affect the use of abarelix. Make sure you tell your doctor if you have any other medical problems, especially:

• QT prolongation (rare heart condition) - May be worsened by abarelix