Dihydroergotamine Mesylate Nasal
Generic Name: dihydroergotamine mesylate nasal
Brand Names:
Dihydroergotamine Mesylate Nasal
DESCRIPTION Dihydroergotamine mesylate is ergotamine hydrogenated in the 9,10 position as the mesylate salt. Dihydroergotamine mesylate is known chemically as ergotaman-3', 6', 18-trione, 9,10-dihydro-12'-hydroxy-2'-methyl-5'- (phenylmethyl)-, (5'α)-, monomethane-sulfonate. Its molecular weight is 679.78 and its empirical formula is C 33 H 37 N 5 O 5 •CH 4 O 3 S.
Overview
DESCRIPTION Dihydroergotamine mesylate is ergotamine hydrogenated in the 9,10 position as the mesylate salt. Dihydroergotamine mesylate is known chemically as ergotaman-3', 6', 18-trione, 9,10-dihydro-12'-hydroxy-2'-methyl-5'- (phenylmethyl)-, (5'α)-, monomethane-sulfonate. Its molecular weight is 679.78 and its empirical formula is C 33 H 37 N 5 O 5 •CH 4 O 3 S.
Uses
INDICATIONS AND USAGE Dihydroergotamine mesylate nasal spray is indicated for the acute treatment of migraine headaches with or without aura. Dihydroergotamine mesylate nasal spray is not intended for the prophylactic therapy of migraine or for the management of hemiplegic or basilar migraine.
Dosage
DOSAGE AND ADMINISTRATION The solution used in dihydroergotamine mesylate nasal spray (4 mg/mL) is intended for intranasal use and must not be injected. In clinical trials, dihydroergotamine mesylate nasal spray has been effective for the acute treatment of migraine headaches with or without aura. One spray (0.5 mg) of dihydroergotamine mesylate nasal spray should be administered in each nostril. Fifteen minutes later, an additional one spray (0.5 mg) of dihydroergotamine mesylate nasal spray should be administered in each nostril, for a total dosage of four sprays (2 mg) of dihydroergotamine mesylate nasal spray. Studies have shown no additional benefit from acute doses greater than 2 mg for a single migraine administration.
Side Effects
ADVERSE REACTIONS During clinical studies and the foreign postmarketing experience with dihydroergotamine mesylate nasal spray there have been no fatalities due to cardiac events. Serious cardiac events, including some that have been fatal, have occurred following use of the parenteral form of dihydroergotamine mesylate (D.H.E. 45 ® Injection), but are extremely rare. Events reported have included coronary artery vasospasm, transient myocardial ischemia, myocardial infarction, ventricular tachycardia, and ventricular fibrillation (see CONTRAINDICATIONS, WARNINGS, and PRECAUTIONS) . Fibrotic complications have been reported in association with long term use of injectable dihydroergotamine mesylate (see WARNINGS: Fibrotic Complications) .
Warnings
WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of DIHYDROERGOTAMINE with potent CYP 3A4 inhibitors including protease inhibitors and macrolide antibiotics. Because CYP 3A4 inhibition elevates the serum levels of DIHYDROERGOTAMINE, the risk for vasospasm leading to cerebral ischemia and/or ischemia of the extremities is increased. WARNINGS Dihydroergotamine mesylate nasal spray should only be used where a clear diagnosis of migraine headache has been established. CYP 3A4 Inhibitors (e.g. Macrolide Antibiotics and Protease Inhibitors) There have been rare reports of serious adverse events in connection with the coadministration of dihydroergotamine and potent CYP 3A4 inhibitors, such as protease inhibitors and macrolide antibiotics, resulting in vasospasm that led to cerebral ischemia and/or and ischemia of the extremities. The use of potent CYP 3A4 inhibitors with dihydroergotamine should therefore be avoided (see CONTRAINDICATIONS) . CONTRAINDICATIONS There have been a few reports of serious adverse events associated with the coadministration of dihydroergotamine and potent CYP 3A4 inhibitors, such as protease inhibitors and macrolide antibiotics, resulting in vasospasm that led to cerebral ischemia and/or ischemia of the extremities.
Pregnancy
PREGNANCY Risk Summary Available data from published literature indicate an increased risk of preterm delivery with dihydroergotamine mesylate nasal spray use during pregnancy. Avoid use of dihydroergotamine mesylate nasal spray during pregnancy (see WARNINGS). Data collected over decades have shown no increased risk of major birth defects or miscarriage with the use of dihydroergotamine mesylate during pregnancy.
Storage
HOW SUPPLIED Dihydroergotamine mesylate nasal spray is available (as a clear, colorless to faintly yellow solution) in 3.5 mL amber glass vials containing 4 mg of dihydroergotamine mesylate. Dihydroergotamine mesylate nasal spray is provided as a package of 8 units, administration instruction sheet, and one package insert. Each unit consists of one vial and one sprayer. (NDC 69097-503-31).
Frequently Asked Questions
What is Dihydroergotamine Mesylate Nasal used for?▼
INDICATIONS AND USAGE Dihydroergotamine mesylate nasal spray is indicated for the acute treatment of migraine headaches with or without aura. Dihydroergotamine mesylate nasal spray is not intended for the prophylactic therapy of migraine or for the management of hemiplegic or basilar migraine.
What are the side effects of Dihydroergotamine Mesylate Nasal?▼
ADVERSE REACTIONS During clinical studies and the foreign postmarketing experience with dihydroergotamine mesylate nasal spray there have been no fatalities due to cardiac events. Serious cardiac events, including some that have been fatal, have occurred following use of the parenteral form of dihydroergotamine mesylate (D.H.E. 45 ® Injection), but are extremely rare. Events reported have included coronary artery vasospasm, transient myocardial ischemia, myocardial infarction, ventricular tachycardia, and ventricular fibrillation (see CONTRAINDICATIONS, WARNINGS, and PRECAUTIONS) . Fibrotic complications have been reported in association with long term use of injectable dihydroergotamine mesylate (see WARNINGS: Fibrotic Complications) .
Can I take Dihydroergotamine Mesylate Nasal during pregnancy?▼
PREGNANCY Risk Summary Available data from published literature indicate an increased risk of preterm delivery with dihydroergotamine mesylate nasal spray use during pregnancy. Avoid use of dihydroergotamine mesylate nasal spray during pregnancy (see WARNINGS). Data collected over decades have shown no increased risk of major birth defects or miscarriage with the use of dihydroergotamine mesylate during pregnancy.
What are the important warnings for Dihydroergotamine Mesylate Nasal?▼
WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of DIHYDROERGOTAMINE with potent CYP 3A4 inhibitors including protease inhibitors and macrolide antibiotics. Because CYP 3A4 inhibition elevates the serum levels of DIHYDROERGOTAMINE, the risk for vasospasm leading to cerebral ischemia and/or ischemia of the extremities is increased. WARNINGS Dihydroergotamine mesylate nasal spray should only be used where a clear diagnosis of migraine headache has been established. CYP 3A4 Inhibitors (e.g. Macrolide Antibiotics and Protease Inhibitors) There have been rare reports of serious adverse events in connection with the coadministration of dihydroergotamine and potent CYP 3A4 inhibitors, such as protease inhibitors and macrolide antibiotics, resulting in vasospasm that led to cerebral ischemia and/or and ischemia of the extremities. The use of potent CYP 3A4 inhibitors with dihydroergotamine should therefore be avoided (see CONTRAINDICATIONS) . CONTRAINDICATIONS There have been a few reports of serious adverse events associated with the coadministration of dihydroergotamine and potent CYP 3A4 inhibitors, such as protease inhibitors and macrolide antibiotics, resulting in vasospasm that led to cerebral ischemia and/or ischemia of the extremities.
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.