"COPENHAGEN â€” An investigational agent that blocks a key headache-related receptor significantly reduces the number of mean monthly migraine days, new phase 2 data show.
Findings showed that after 52 weeks, 18.5% of patients with migra"...
(naratriptan hydrochloride) Tablets
AMERGE contains naratriptan hydrochloride, a selective 5-HT1B/1D receptor agonist. Naratriptan hydrochloride is chemically designated as N-methyl-3-(1-methyl-4-piperidinyl)-1H-indole-5-ethanesulfonamide monohydrochloride, and it has the following structure:
The empirical formula is C17H25N3O2S•HCl, representing a molecular weight of 371.93. Naratriptan hydrochloride is a white to pale yellow powder that is readily soluble in water.
Each AMERGE tablet for oral administration contains 1.11 or 2.78 mg of naratriptan hydrochloride, equivalent to 1 or 2.5 mg of naratriptan, respectively. Each tablet also contains the inactive ingredients croscarmellose sodium; hypromellose; lactose; magnesium stearate; microcrystalline cellulose; triacetin; and titanium dioxide, iron oxide yellow (2.5-mg tablet only), and indigo carmine aluminum lake (FD&C Blue No. 2) (2.5-mg tablet only) for coloring.
What are the possible side effects of naratriptan (Amerge)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using naratriptan and call your doctor at once if you have a serious side effect such as:
- feeling of pain or tightness in your jaw, neck, or throat;
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
- sudden numbness or weakness, especially on one side of the body;
- sudden headache, confusion, problems with vision, speech, or...
What are the precautions when taking naratriptan (Amerge)?
Before taking naratriptan, tell your doctor or pharmacist if you are allergic to it; or to other triptan migraine drugs; or it you have other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart disease (e.g., chest pain, heart attack, irregular heartbeat), decreased blood flow in the brain (e.g., stroke, transient ischemic attack), blood circulation disease (e.g., ischemic bowel disease, Raynaud's disease), certain types of headaches (hemiplegic or basilar migraine), kidney disease, liver disease.
Tell your doctor if you have the following risk factors for heart disease:...
Last reviewed on RxList: 3/21/2016
This monograph has been modified to include the generic and brand name in many instances.
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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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