Before you begin treatment with Aventyl, be sure to discuss the following with your doctor:, All the medications you take, including prescription and over-the-counter medications., Your allergies., Your current health problems and past medical history., Your pregnancy or breastfeeding status., Caution should be used when administering Aventyl to patients with the following conditions:, Cardiovascular disease, Glaucoma, Urinary retention, Seizures, Hyperthyroidism or receiving thyroid medication, Schizophrenia, Do not drive or operate machinery until you know how Aventyl affects you., The risk of suicidal ideations and behaviors are increased after starting Aventyl. Patients should be monitored for these effects., Consuming alcohol with Aventyl can increase medication response and can increase the risk of suicidal ideations or behaviors or overdosage., Blood sugar levels can be affected by Aventyl., Aventyl should not be stopped abruptly. Doing so can cause unpleasant side effects such as nausea, headache, and general discomfort. All the medications you take, including prescription and over-the-counter medications., Your allergies., Your current health problems and past medical history., Your pregnancy or breastfeeding status. Cardiovascular disease, Glaucoma, Urinary retention, Seizures, Hyperthyroidism or receiving thyroid medication, Schizophrenia