Do not use Duetact if:

• you are allergic to any ingredient in Duetact;

• Duetact may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Duetact with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Duetact should be used with extreme caution in children younger than 4 months old; safety and effectiveness in these children have not been confirmed.
• Pregnancy and breast-feeding: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Duetact while you are pregnant. It is not known if Duetact is found in breast milk. If you are or will be breast-feeding while you use Duetact, check with your doctor. Discuss any possible risks to your baby.

Check with your doctor if any of these most common side effects persist or become bothersome:

• nausea.

• severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain or irregular heartbeat; confusion; dark urine; fainting; fever, chills, or persistent sore throat; low blood sugar symptoms (eg, anxiety, dizziness, drowsiness, fast heartbeat, headache, lightheadedness, tremors, unusual sweating, weakness); severe or persistent blurred vision or other vision problems; unusual bruising or bleeding; unusual tiredness or weakness; yellowing of the eyes or skin.

Duetact is to be used only by the patient for whom it is prescribed. Do not share it with other people.

If your symptoms do not improve or if they become worse, check with your doctor.