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Naratriptan

Naratriptan 

En Español (Spanish Version)

(nar' a trip tan)

WHY is this medicine prescribed?

Naratriptan is used to treat the symptoms of migraine headaches (severe, throbbing headaches that sometimes are accompanied by nausea and sensitivity to sound or light). Naratriptan is in a class of medications called selective serotonin receptor agonists. It works by narrowing blood vessels around the brain, stopping pain signals from being sent to the brain, and stopping the release of certain natural substances that cause pain, nausea, and other symptoms of migraine. Naratriptan does not prevent migraine attacks or reduce the number of headaches you have.

HOW should this medicine be used?

Naratriptan comes as a tablet to take by mouth. It is usually taken at the first sign of a migraine headache. If your symptoms improve after you take naratriptan but return after 4 hours or longer, you may take a second tablet. However, if your symptoms do not improve after you take naratriptan, do not take a second tablet before calling your doctor. Your doctor will tell you the maximum number of tablets you may take in a 24-hour period. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take naratriptan exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

You may take your first dose of naratriptan in a doctor's office or other medical facility where you can be monitored for serious reactions.

Call your doctor if your headaches do not get better or occur more frequently after taking naratriptan.

If you take naratriptan more often or for longer than the recommended period of time, your headaches may get worse or may occur more frequently. You should not take naratriptan or any other headache medication for more than 10 days per month. Call your doctor if you need to take naratriptan to treat more than four headaches in a 1-month period.

Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.

Are there OTHER USES for this medicine?

This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

What SPECIAL PRECAUTIONS should I follow?

Before taking naratriptan,

  • tell your doctor and pharmacist if you are allergic to naratriptan any other medications, or any of the ingredients in naratriptan tablets. Ask your pharmacist for a list of the ingredients.
  • do not take naratriptan if you have taken any of the following medications in the past 24 hours: other selective serotonin receptor agonists such as almotriptan (Axert), eletriptan (Relpax), frovatriptan (Frova), rizatriptan (Maxalt), sumatriptan (Imitrex, in Treximet), or zolmitriptan (Zomig); or ergot-type medications such as bromocriptine (Parlodel), cabergoline, dihydroergotamine (D.H.E. 45, Migranal), ergoloid mesylates (Hydergine), ergonovine (Ergotrate), ergotamine (Cafergot, Ergomar), methylergonovine (Methergine), methysergide (Sansert), and pergolide (Permax).
  • tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements and herbal products you are taking or plan to take. Be sure to mention any of the following: acetaminophen (Tylenol); antidepressants such as amitriptyline (Elavil), amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin), doxepin (Adapin, Sinequan), imipramine (Tofranil), nortriptyline (Aventyl, Pamelor), protriptyline (Vivactil), and trimipramine (Surmontil); aspirin and other nonsteroidal anti-inflammatory medications (NSAIDS) such as ibuprofen (Advil, Motrin) and naproxen (Aleve, Naprosyn); oral contraceptives (birth control pills); selective serotonin reuptake inhibitors (SSRIs) such as citalopram (Celexa), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem, in Symbyax), fluvoxamine, paroxetine (Paxil), and sertraline (Zoloft); and selective serotonin/norepinephrine reuptake inhibitors (SNRIs) such as desvenlafaxine (Pristiq), duloxetine (Cymbalta), sibutramine (Meridia), and venlafaxine (Effexor). Also tell your doctor or pharmacist if you are taking the following medications or have stopped taking them within the past two weeks: isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl), and tranylcypromine (Parnate). Your doctor may need to change the doses of your medications or monitor you more carefully for side effects.
  • tell your doctor if you have or have ever had heart disease; a heart attack; angina (chest pain); irregular heartbeats; stroke or 'mini-stroke'; circulation problems such as varicose veins, blood clots in the legs, Raynaud's disease (problems with blood flow to the fingers, toes, ears, and nose), or ischemic bowel disease (bloody diarrhea and stomach pain caused by decreased blood flow to the intestines); Your doctor may tell you not to take naratriptan.
  • tell your doctor if you smoke or are overweight; if you have or have ever had high blood pressure, diabetes, high cholesterol, or kidney or liver disease; if you have gone through menopause (change of life); or if any family members have or have ever had heart disease or stroke.
  • tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you plan to be sexually active while you are taking this medication, talk to your doctor about effective methods of birth control. If you become pregnant while taking naratriptan, call your doctor.
  • you should know that naratriptan may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.
  • talk to your doctor about your headache symptoms to make sure they are caused by migraine. Naratriptan should not be used to treat certain types of migraine headaches (hemiplegic or basilar migraines) or other types of headaches (such as cluster headaches).

What SIDE EFFECTS can this medicine cause?

Naratriptan may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

  • weakness
  • tiredness
  • upset stomach

• nausea

  • dizziness
  • feeling warm or cold

Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately or get emergency medical treatment:

  • tightness, pain, pressure, or heaviness in the chest, throat, neck, or jaw
  • rapid, pounding, or irregular heartbeat
  • shortness of breath
  • breaking out in a cold sweat
  • lightheadedness
  • weakness or numbness or an arm or leg
  • slow or difficult speech
  • difficulty breathing or swallowing
  • swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
  • hoarseness

• hives

• rash

• itching

  • sudden or severe stomach pain
  • bloody diarrhea
  • constipation
  • vomiting
  • paleness or blue color of fingers or toes
  • pain, burning, or tingling in the hands or feet

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/Safety/MedWatch ] or by phone [1-800-332-1088].

What should I know about STORAGE and DISPOSAL of this medication?

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.

What should I do in case of OVERDOSE?

In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

Symptoms of overdose may include the following:

  • lightheadedness
  • neck pain
  • tiredness
  • loss of coordination
  • chest pain

What OTHER INFORMATION should I know?

Keep all appointments with your doctor. Your blood pressure should be checked regularly.

You should keep a headache diary by writing down when you have headaches and when you take naratriptan.

Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.

It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.

Brand Names

  • Amerge®
  • Also available generically

Medication Information

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