Commonly Used Brand Name(s)Amerge
Pharmacologic ClassificationsSerotonin Receptor Agonist, 5-HT1
Many people find that their headaches go away completely after they take naratriptan. Other people find that their headaches are much less painful, and that they are able to go back to their normal activities even though their headaches are not completely gone. Naratriptan often relieves symptoms that occur together with a migraine headache, such as nausea, vomiting, sensitivity to light, and sensitivity to sound.
Naratriptan is not an ordinary pain reliever. It should not be used to relieve any kind of pain other than migraine headaches. This medicine is usually used for people whose headaches are not relieved by acetaminophen, aspirin, or other pain relievers.
Naratriptan has caused serious side effects in some people, especially people who have heart or blood vessel disease. Be sure that you discuss with your doctor the risks of using this medicine as well as the benefits.
This medicine is available only with your doctor's prescription.
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Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Using too much naratriptan may increase the chance of side effects.
Do not use naratriptan for a headache that is different from your usual migraines. Talk to your doctor about what to do for regular headaches.
To relieve your migraine as soon as possible, take naratriptan with water or other liquids as soon as the headache pain begins. Even if you get warning signals of a coming migraine (an aura), you should wait until the headache pain starts before using naratriptan.
Ask your doctor ahead of time about any other medicine you may take if naratriptan does not work. After you take the other medicine, check with your doctor as soon as possible. Headaches that are not relieved by naratriptan are sometimes caused by conditions that need other treatment.
If you feel much better after a dose of naratriptan, but your headache comes back or gets worse after a while, you may take one additional dose of this medicine 4 hours after the first dose. Do not use more than 5 milligrams in any 24-hour period.
This medicine comes with a patient information leaflet. It is very important that you read and understand this information. Be sure to ask your doctor about anything you do not understand.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (tablets):
Use & StorageTOP
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of naratriptan in the pediatric population. Safety and efficacy have not been established.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
- Ergoloid Mesylates
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Methylene Blue
- Morphine Sulfate Liposome
- St John's Wort
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical ProblemsTOP
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Angina (chest pain) or
- Arrhythmia (heart rhythm problem) or
- Basilar migraine (migraine with vision and hearing problems), history of or
- Heart attack, history of or
- Heart or blood vessel problems or
- Hemiplegic migraine (migraine with some paralysis), history of or
- Hypertension (high blood pressure), uncontrolled or
- Ischemic bowel disease (bowels have low blood supply) or
- Kidney disease, severe or
- Liver disease, severe or
- Peripheral vascular disease (clogged arteries) or
- Stroke, history of or
- Transient ischemic attack (TIA), history of or
- Wolff-Parkinson-White Syndrome (heart rhythm problem)—Should not be used in patients with these conditions.
- Coronary artery disease, history of or
- Diabetes or
- Hypercholesterolemia (high cholesterol in the blood) or
- Hypertension (high blood pressure) or
- Obesity or
- Raynaud's syndrome—Use with caution. May be at increased risk for certain side effects.
- Heart rhythm problems (eg, ventricular fibrillation, ventricular tachycardia)—Use with caution. May make these conditions worse.
- Kidney disease, mild or moderate or
- Liver disease, mild or moderate—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it.
Do not take this medicine if you have used other triptan or ergot-type migraine medicines within the past 24 hours. Some examples of triptan medicines are almotriptan (Axert®), eletriptan (Relpax®), frovatriptan (Frova®), rizatriptan (Maxalt®), sumatriptan (Imitrex®, Treximet®), and zolmitriptan (Zomig®). Some examples of ergot-type medicines are dihydroergotamine (D.H.E. 45®, Migranal®) and ergotamine (Bellergal®, Cafergot®, Ergomar®, Wigraine®).
This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash, itching, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth while you are using this medicine.
This medicine may cause problems if you have heart disease. If your doctor thinks you might have a problem with this medicine, he or she may want you to take your first dose in the doctor's office or clinic.
This medicine may increase your risk of having abnormal heart rhythm, heart attack, angina, or stroke. This is more likely to occur if you or a family member already has heart disease, if you have diabetes, high blood pressure, high cholesterol, if you smoke, if you are male and over 40 years of age, or if you are female and have gone through menopause. Call your doctor right away if you have any symptoms of a heart problem, such as chest pain or discomfort, an uneven heartbeat, nausea or vomiting, pain or discomfort in the shoulders, arms, jaw, back, or neck, shortness of breath, or sweating. Call your doctor right away if you have any symptoms of a stroke, such as confusion, difficulty with speaking, double vision, headaches, an inability to move the arms, legs, or facial muscles, an inability to speak, or slow speech.
Check with your doctor right away if you have chest discomfort, jaw or neck tightness after taking this medicine. Also, tell your doctor if you have sudden or severe abdominal or stomach pain or bloody diarrhea after using this medicine.
Using this medicine for 10 or more days per month may lead to worsening of headache. You may keep a headache diary to record the headache frequency and drug use.
Make sure your doctor knows about all the other medicines you are using. Naratriptan may cause a serious condition called serotonin syndrome when taken with some medicines. This includes medicines to treat depression, such as citalopram (Celexa®), duloxetine (Cymbalta®), escitalopram (Lexapro®), fluoxetine (Prozac®, Sarafem®, Symbyax®), fluvoxamine (Luvox®), olanzapine (Zyprexa®), paroxetine (Paxil®), sertraline (Zoloft®), or venlafaxine (Effexor®). Check with your doctor right away if you have agitation, confusion, diarrhea, excitement while talking that is not normal, fever, overactive reflexes, poor coordination, restlessness, shivering, sweating, trembling or shaking that you cannot control, or twitching. These could be symptoms of serotonin syndrome.
Some people feel drowsy or dizzy during or after a migraine, or after taking naratriptan to relieve a migraine. As long as you are feeling drowsy or dizzy, do not drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.