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MIRTAZAPINE (mir TAZ a peen) treats depression. It increases the amount of serotonin and norepinephrine in the brain, hormones that help regulate mood.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
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Take this medication by mouth with a glass of water. Follow the directions on the prescription label. Take your medication at regular intervals. Do not take your medication more often than directed. Do not stop taking this medication suddenly except upon the advice of your care team. Stopping this medication too quickly may cause serious side effects or your condition may worsen.
A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.
Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
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Do not take this medication with any of the following:
-Linezolid
-MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
-Methylene blue (injected into a vein)
This medication may also interact with the following:
-Alcohol
-Antiviral medications for HIV or AIDS
-Certain medications that treat or prevent blood clots like warfarin
-Certain medications for depression, anxiety, or psychotic disturbances
-Certain medications for fungal infections like ketoconazole and itraconazole
-Certain medications for migraine headache like almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan
-Certain medications for seizures like carbamazepine or phenytoin
-Certain medications for sleep
-Cimetidine
-Erythromycin
-Fentanyl
-Lithium
-Medications for blood pressure
-Nefazodone
-Rasagiline
-Rifampin
-Supplements like St. John's wort, kava kava, valerian
-Tramadol
-Tryptophan
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
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Tell your care team if your symptoms do not get better or if they get worse. Visit your care team for regular checks on your progress. Because it may take several weeks to see the full effects of this medication, it is important to continue your treatment as prescribed by your doctor.
Patients and their families should watch out for new or worsening thoughts of suicide or depression. Also watch out for sudden changes in feelings such as feeling anxious, agitated, panicky, irritable, hostile, aggressive, impulsive, severely restless, overly excited and hyperactive, or not being able to sleep. If this happens, especially at the beginning of treatment or after a change in dose, call your care team.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medication. Avoid alcoholic drinks.
This medication may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye care team if the problem does not go away or is severe.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
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If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
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Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
-Infection—fever, chills, cough, or sore throat
-Irritability, confusion, fast or irregular heartbeat, muscle stiffness, twitching muscles, sweating, high fever, seizure, chills, vomiting, diarrhea, which may be signs of serotonin syndrome
-Low sodium level—muscle weakness, fatigue, dizziness, headache, confusion
-Rash, fever, and swollen lymph nodes
-Redness, blistering, peeling or loosening of the skin, including inside the mouth
-Seizures
-Sudden eye pain or change in vision such as blurry vision, seeing halos around lights, vision loss
-Thoughts of suicide or self-harm, worsening mood, feelings of depression
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Constipation
-Dizziness
-Drowsiness
-Dry mouth
-Increase in appetite
-Weight gain
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
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Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) Protect from light and moisture. Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment. Drug information is sourced from GSDD (Gold Standard Drug Database ) provided by Elsevier.
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