(Generic versions may still be available.)
Etrafon Consumer (continued)
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include:
anticholinergic/antispasmodic medications (such as belladonna alkaloids, dicyclomine, scopolamine), certain antihypertensive medications (such as clonidine, guanabenz, methyldopa), other drugs that can cause bleeding/bruising (including antiplatelet drugs such as clopidogrel, NSAIDs such as ibuprofen, "blood thinners" such as warfarin), disulfiram, lithium, thyroid supplements.
Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before and after treatment with this medication. Ask your doctor when to start or stop taking this medication.
Other medications can affect the removal of perphenazine/amitriptyline from your body, which may affect how this medication works. Examples include cimetidine, azole antifungals (such as fluconazole, ketoconazole, itraconazole), drugs to treat irregular heartbeat (such as amiodarone, flecainide, propafenone, quinidine), macrolide antibiotics (such as erythromycin), rifamycins (such as rifabutin), anti-HIV drugs (such as fosamprenavir, ritonavir), SSRI antidepressants (such as fluoxetine, paroxetine), St. John's wort, among others.
Tell your doctor or pharmacist if you are taking other products that cause drowsiness including alcohol, antihistamines (such as cetirizine, diphenhydramine), drugs for sleep or anxiety (such as alprazolam, diazepam, zolpidem), muscle relaxants, and narcotic pain relievers (such as codeine).
Many drugs besides perphenazine/amitriptyline may affect the heart rhythm (QT prolongation). Examples include amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as erythromycin), among others.
Also report the use of drugs that might increase seizure risk when combined with this medication, such as isoniazid (INH), phenothiazines (such as thioridazine), or theophylline among others. Consult your doctor or pharmacist for details.
Check the labels on all your medicines (such as antacids, allergy, or cough-and-cold products) because they may contain cimetidine, decongestants, or ingredients that cause drowsiness. Ask your pharmacist about using those products safely.
Aspirin can increase the risk of bleeding when used with this medication. However, if your doctor has directed you to take low-dose aspirin for heart attack or stroke prevention (usually at dosages of 81-325 milligrams a day), you should continue taking it unless your doctor instructs you otherwise. Ask your doctor or pharmacist for more details.
OVERDOSE: If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: extreme drowsiness, hallucinations, fast/irregular heartbeat, fainting, slow/shallow breathing, seizures.
NOTES: Do not share this medication with others.
Laboratory and/or medical tests (such as complete blood count, liver tests, EKG) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
STORAGE: Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised November 2013. Copyright(c) 2013 First Databank, Inc.
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