Prevpac Oral

In Depth

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Prevpac Oral Precautions

Before taking this product, tell your doctor or pharmacist if you are allergic to lansoprazole, amoxicillin, or clarithromycin; or to penicillins (such as ampicillin), cephalosporins (such as cephalexin), or macrolide antibiotics (such as erythromycin); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

liver disease
kidney disease
a certain type of muscle disease (myasthenia gravis)
a certain type of viral infection (infectious mononucleosis)

Some symptoms may actually be signs of a more serious condition. Tell your doctor immediately if you have:

heartburn combined with lightheadedness/sweating/dizziness
chest pain or shoulder/jaw pain (especially with trouble breathing)
pain spreading to arms/neck/shoulders
unexplained weight loss

Clarithromycin may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that require immediate medical attention. The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may affect the heart rhythm (see also Drug Interactions section). Before using this product, tell your doctor or pharmacist if you have any of the following conditions:

certain heart problems (heart failure, slow heartbeat, QT prolongation in the EKG)
family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death)

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