Rizatriptan

Rizatriptan - Wikipedia, the free encyclopedia

Rizatriptan

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Rizatriptan
Systematic (IUPAC) name
N,N-dimethyl-2-[5-(1H-1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine
Identifiers
CAS number 145202-66-0
ATC code N02CC04
PubChem CID 5078
IUPHAR ligand ID 51
DrugBank APRD00008
Chemical data
Formula C15H19N5 
Mol. mass 269.345 g/mol
Pharmacokinetic data
Bioavailability 45%
Protein binding 14%
Metabolism by monoamine oxidase
Half-life 2–3 hours
Excretion 82% urine; 12% faeces
Therapeutic considerations
Pregnancy cat. C
Legal status
Routes Oral
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Rizatriptan (Maxalt) is a 5-HT1 agonist triptan drug developed by Merck & Co. for the treatment of migraine headaches. It is available in strengths of 5 and 10 mg as tablets and orally disintegrating tablets (Maxalt-MLT).

Maxalt obtained approval by the United States Food and Drug Administration (FDA) on June 29, 1998. It is a second-generation triptan.

Rizatriptan is available only by prescription in the United States, Canada and New Zealand. Similarly, it is classed as a POM (Prescription Only Medicine) in the United Kingdom, Italy (as Rizaliv) and Israel (as Rizalt).

Contents

  • 1 Use
    • 1.1 Indications
    • 1.2 Contraindications
  • 2 Adverse effects
  • 3 External links

Use

Rizatriptan is used to treat acute migraine attacks. It does not prevent future migraine attacks.

Indications

  • migraine headache with or without aura

Contraindications

  • coronary artery disease
  • use of monoamine oxidase inhibitors

Adverse effects

Severe:

  • coronary artery vasospasm
  • transient myocardial ischemia
  • myocardial infarction
  • ventricular tachycardia
  • ventricular fibrillation
  • hypertensive crisis

Atypical sensations:

  • paresthesia

Cardiovascular:

  • palpitations
  • syncope
  • hypertension
  • hypotension

Ear, nose, and throat:

  • tinnitus
  • sinusitis
  • allergic rhinitis
  • upper respiratory tract inflammation

Gastrointestinal:

  • diarrhea

Muscular:

  • myalgia


Neurological:

  • phonophobia
  • photophobia

Respiratory:

  • dyspnea

Skin:

  • sweating

Miscellaneous:

  • hypersensitivity

External links

  • Maxalt website by Merck & Co.