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Relpax

What is a headache?

A Headache is defined as a pain in the head or upper neck. It is one of the most common locations of pain in the body and has many causes.

How are headaches classified?

Headaches have numerous causes, and in 2007 the International Headache Society agreed upon an updated classification system for headache. Because so many people suffer from headaches and because treatment sometimes is difficult, it is hoped that the new classification system will allow health care practitioners come to a specific diagnosis as to the type of headache and to provide better and more effective treatment.

There are three major categories of headaches:

  1. primary headaches,
  2. secondary headaches, and
  3. cranial neuralgias, facial pain, and other headaches

What are primary headaches?

Primary headaches include migraine, tension, and cluster headaches, ...

Relpax

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RELPAX®
(eletriptan hydrobromide) Tablets

DRUG DESCRIPTION

RELPAX® (eletriptan) Tablets contain eletriptan hydrobromide, which is a selective 5-hydroxytryptamine IB/ID (5-HT1B/1D) receptor agonist. Eletriptan is chemically designated as (R)-3-[(l-Methyl-2-pyrrolidinyl)methyl]-5-[2-(phenylsulfonyl)ethyl]-lH-indole monohydrobromide, and it has the following chemical structure:

RELPAX®
  (eletriptan hydrobromide) Structural Formula Illustration

The empirical formula is C22H26N2O2S.HBr, representing a molecular weight of 463.40. Eletriptan hydrobromide is a white to light pale colored powder that is readily soluble in water.

Each RELPAX Tablet for oral administration contains 24.2 or 48.5 mg of eletriptan hydrobromide equivalent to 20 mg or 40 mg of eletriptan, respectively. Each tablet also contains the inactive ingredients microcrystalline cellulose NF, lactose NF, croscarmellose sodium NF, magnesium stearate NF, titanium dioxide USP, hypromellose, triacetin USP and FD&C Yellow No. 6 aluminum lake.

What are the possible side effects of eletriptan (Relpax)?

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 eletriptan and call your doctor at once if you have any of these serious side effects:

  • 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 balance;
  • ...

Read All Potential Side Effects and See Pictures of Relpax »

What are the precautions when taking eletriptan hydrobromide (Relpax)?

See also How to Use section.

Before taking eletriptan, tell your doctor or pharmacist if you are allergic to it; or to other "triptan" migraine drugs (e.g., sumatriptan); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: heart disease (e.g., chest pain, heart attack, irregular heartbeat, coronary artery disease, vasospasm), blood flow problems in the brain (e.g., stroke, transient ischemic attack), blood vessel disease (e.g., peripheral vascular disease, ischemic bowel disease), uncontrolled high...

Read All Potential Precautions of Relpax »

Last reviewed on RxList: 6/1/2011
This monograph has been modified to include the generic and brand name in many instances.

Relpax - User Reviews

Relpax User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Relpax sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

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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