erythrityl tetranitrate-oral, sublingual (cont.)
SIDE EFFECTS: Headache, dizziness, flushing, rapid heartbeat or restlessness may occur as your body adjusts to the medication. If they persist or become bothersome, inform your doctor. To prevent dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Notify your doctor if you experience: blurred vision, dry mouth, skin rash, nausea. Headache is often a sign the medication is working. Treat headaches with an aspirin or non-aspirin pain reliever as recommended by your doctor. If the headaches continue or become severe, notify your doctor. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Use caution engaging in activities that require alertness if this medication make you dizzy or drowsy. Hot weather may intensify the dizziness caused by this drug. Take extra care in hot weather. Avoid alcoholic beverages which can lead to dizziness and fainting. Do not smoke. This medication should be used during pregnancy only if it is clearly needed. Discuss the risks and benefits with your doctor. It is not known if this medication appears in breast milk. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: This drug should not be used with the following medications because very serious (possibly fatal) interactions may occur: drugs to treat impotence (e.g., sildenafil, vardenafil, tadalafil). If you are currently using any of these medications, tell your doctor or pharmacist before starting erythrityl tetranitrate. Tell your doctor of all medications you may use including prescription and nonprescription drugs, especially if you use: drugs for high blood pressure, certain migraine drugs (ergot alkaloids), high doses of aspirin. Do not start or stop any medicine without doctor or pharmacist approval.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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