Drug Interaction Report

Talk to your doctor before using QUEtiapine together with erythromycin. Combining these medications can significantly increase the blood levels and effects of QUEtiapine. You may be more likely to experience side effects such as dizziness; drowsiness; dry mouth; constipation; increased appetite; weight gain; increased blood sugar and cholesterol or triglyceride levels; cognitive and motor impairment; involuntary muscle movements involving the face, tongue, or other parts of the body; difficulty swallowing; low blood pressure (especially at the start of treatment or after a dose increase); blood pressure increases (reported in children and teenagers); irregular heart rhythm; and seizures. Let your doctor know if your condition changes or you experience increased side effects. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or fast or pounding heartbeats during treatment with these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Food decreases the levels of erythromycin in your body. Take erythromycin on an empty stomach at least 30 minutes before or 2 hours after a meal. This will make it easier for your body to absorb the medication. However, some erythromycin products may be taken without regard to meals. Ask your healthcare provider about your particular prescription if you are uncertain of how to take it. Grapefruits and grapefruit juice may increase erythromycin levels but how this may affect you is not known. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor.

Information for this minor interaction is available on the professional version.