Dihydroergotamine Mesylate 1 mg/mL Injection, Solution, 10 ampules
Other active recalls for Dihydroergotamine Mesylate (different manufacturers) — 1 · tap to view
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Ergotamine Derivative class.
Where does this data come from?
🏭 Manufacturer & labeler
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🩺 Clinical
Dihydroergotamine injection is used to treat migraine headaches (severe, throbbing headaches that sometimes are accompanied by nausea and sensitivity to sound and light) and cluster headaches (severe headaches usually on one side of the head or around one eye). Dihydroergotamine is in a class of medications called ergot alkaloids. It works by tightening blood vessels in the brain and by stopping the release of natural substances in the brain that cause swelling.
Read the full MedlinePlus article ↗- It works by activating certain serotonin receptors in the brain, which helps shrink swollen blood vessels and block pain signals from your trigeminal nerve — the nerve network resp...
- What exactly does this injection do for my migraine?
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Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Dihydroergotamine Mesylate — tap one for details:
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🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
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UNII 3K9958V90M
A liquid solvent derived from fermentation or chemical synthesis. In medicines, alcohol dissolves active ingredients, helps preserve the product, and improves how the body absorbs certain drugs.
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UNII PDC6A3C0OX
Glycerin is a clear, thick liquid derived from plant oils or fats. It acts as a humectant to retain moisture, a sweetener, and a solvent in medications.
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UNII 12EH9M7279
Methanesulfonic acid is a strong organic acid used in medicines as a pH buffer and stabilizer. It helps maintain the correct acidity level and keeps active ingredients stable during storage.
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UNII 55X04QC32I
A strong alkaline chemical used to adjust and maintain the pH balance of liquid medicines. It helps keep the medicine stable and ensures it stays effective during storage.
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UNII 059QF0KO0R
Water is a liquid solvent that dissolves and mixes ingredients together in liquid medicines, syrups, and injections. It helps distribute the active drug evenly throughout the product.
5 inactive ingredients listed in the exact product block matched to this NDC.
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ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Dihydroergotamine Mesylate 1 mg/mL 00143-9151-10 | Hikma | 10 vials | — | AP | FDA listed | — |
| Dihydroergotamine Mesylate 1 mg/mL 00143-9273-10 | Hikma | 10 ampules | — | AP | FDA listed | — |
| dihydroergotamine mesylate 1 mg/mL 36000-0300-10 | Baxter | 10 ampules | — | — | FDA listed | — |
| Dihydroergotamine Mesylate 1 mg/mL 68083-0466-10 | Gland | 10 ampules | — | AP | FDA listed | — |
| Dihydroergotamine Mesylate 1 mg/mLthis 71357-0013-10 | Milla | 10 ampules | — | AP | FDA listed | — |
| Dihydroergotamine Mesylate 1 mg/mL 81284-0411-05 | Provepharm | 5 ampules | — | AP | FDA listed | — |
Where does this data come from?
⏳ Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
Where does this data come from?
📊 Medicare Part D spend CMS · PART D · 2026 (Q1)
🔬 Reported adverse events (FAERS)
Top reported reactions
Age at onset
Reporter sex
Serious outcomes
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 71357-0013-05 | 5 AMPULE in 1 CARTON (71357-013-05) / 1 mL in 1 AMPULE (71357-013-01) | 2026-05-22 | Active |
| 71357-0013-10 You're viewing this | 10 AMPULE in 1 CARTON (71357-013-10) / 1 mL in 1 AMPULE (71357-013-01) | 2026-05-22 | Active |
Pack size FAQ
What quantity is in NDC 71357-0013-10?
What is the difference between NDC 71357-0013-10 and NDC 71357-0013-05?
What NDC number is used to bill for this package of Dihydroergotamine Mesylate 1 mg/mL Injection, Solution?
🧭 About this NDC listing & data coverage
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | — Not published for this NDC No photo available yet for this listing. |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | ✓ Available |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
Questions about this listing
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📄 Full prescribing information FDA SPL
🚨 Boxed Warning ▾
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 CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. Because CYP3A4 inhibition elevates the serum levels of dihydroergotamine, the risk for vasospasm leading to cerebral ischemia and/or ischemia of the extremities is increased. Hence, concomitant use of these medications is contraindicated (see also CONTRAINDICATIONS and WARNINGS ).
🎯 Indications and Usage ▾
INDICATIONS AND USAGE Dihydroergotamine Mesylate Injection, USP is indicated for the acute treatment of migraine headaches with or without aura and the acute treatment of cluster headache episodes.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION Dihydroergotamine Mesylate Injection, USP should be administered in a dose of 1 mL intravenously, intramuscularly or subcutaneously. The dose can be repeated, as needed, at 1-hour intervals to a total dose of 3 mL for intramuscular or subcutaneous delivery or 2 mL for intravenous delivery in a 24-hour period. The total weekly dosage should not exceed 6 mL.
Dihydroergotamine Mesylate Injection, USP should not be used for chronic daily administration.
⛔ Contraindications ▾
CONTRAINDICATIONS There have been a few reports of serious adverse events associated with the coadministration of dihydroergotamine and potent CYP3A4 inhibitors, such as protease inhibitors and macrolide antibiotics, resulting in vasospasm that led to cerebral ischemia and/or ischemia of the extremities. The use of potent CYP3A4 inhibitors (i.e., ritonavir, nelfinavir, indinavir, erythromycin, clarithromycin, troleandomycin, ketoconazole, itraconazole) with dihydroergotamine is, therefore, contraindicated (see WARNINGS, CYP3A4 Inhibitors ).
Dihydroergotamine Mesylate Injection, USP should not be given to patients with ischemic heart disease (e.g., angina pectoris, history of myocardial infarction, or documented silent ischemia) or to patients who have clinical symptoms or findings consistent with coronary artery vasospasm including Prinzmetal's variant angina (see WARNINGS ). Because Dihydroergotamine Mesylate Injection, USP may increase blood pressure, it should not be given to patients with uncontrolled hypertension. Dihydroergotamine Mesylate Injection, USP, 5-HT 1 agonists (e.g., sumatriptan), ergotamine-containing or ergot-type medications or methysergide should not be used within 24 hours of each other.
Dihydroergotamine Mesylate Injection, USP should not be administered to patients with hemiplegic or basilar migraine. In addition to those conditions mentioned above, Dihydroergotamine Mesylate Injection, USP is also contraindicated in patients with known peripheral arterial disease, sepsis, following vascular surgery and severely impaired hepatic or renal function. Dihydroergotamine Mesylate Injection, USP is contraindicated in patients who have previously shown hypersensitivity to ergot alkaloids.
Dihydroergotamine mesylate should not be used with peripheral and central vasoconstrictors because the combination may result in additive or synergistic elevation of blood pressure.
⚠️ Warnings ▾
WARNINGS Dihydroergotamine Mesylate Injection, USP should only be used where a clear diagnosis of migraine headache has been established. CYP3A4 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 CYPA4 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 CYP3A4 inhibitors with dihydroergotamine should therefore be avoided (see CONTRAINDICATIONS ).
Examples of some of the more potent CYP3A4 inhibitors include: antifungals ketoconazole and itraconazole, the protease inhibitors ritonavir, nelfinavir, and indinavir, and macrolide antibiotics erythromycin, clarithromycin, and troleandomycin. Other less potent CYP3A4 inhibitors should be administered with caution. Less potent inhibitors include saquinavir, nefazodone, fluconazole, grapefruit juice, fluoxetine, fluvoxamine, zileuton, and clotrimazole.
These lists are not exhaustive, and the prescriber should consider the effects on CYP3A4 of other agents being considered for concomitant use with dihydroergotamine. Fibrotic Complications There have been reports of pleural and retroperitoneal fibrosis in patients following prolonged daily use of injectable dihydroergotamine mesylate. Rarely, prolonged daily use of other ergot alkaloid drugs has been associated with cardiac valvular fibrosis.
Rare cases have also been reported in association with the use of injectable dihydroergotamine mesylate; however, in those cases, patients also received drugs known to be associated with cardiac valvular fibrosis. Administration of Dihydroergotamine Mesylate Injection, USP, should not exceed the dosing guidelines and should not be used for chronic daily administration (see DOSAGE AND ADMINISTRATION ). Risk of Myocardial Ischemia and/or Infarction and Other Adverse Cardiac Events Dihydroergotamine Mesylate Injection, USP should not be used by patients with documented ischemic or vasospastic coronary artery disease (see CONTRAINDICATIONS ).
It is strongly recommended that Dihydroergotamine Mesylate Injection, USP not be given to patients in whom unrecognized coronary artery disease (CAD) is predicted by the presence of risk factors (e.g., hypertension, hypercholesterolemia, smoker, obesity, diabetes, strong family history of CAD, females who are surgically or physiologically postmenopausal, or males who are over 40 years of age) unless a cardiovascular evaluation provides satisfactory clinical evidence that the patient is reasonably free of coronary artery and ischemic myocardial disease or other significant underlying cardiovascular disease.
The sensitivity of cardiac diagnostic procedures to detect cardiovascular disease or predisposition to coronary artery vasospasm is modest, at best. If, during the cardiovascular evaluation, the patient's medical history or electrocardiographic investigations reveal findings indicative of or consistent with coronary artery vasospasm or myocardial ischemia, Dihydroergotamine Mesylate Injection, USP should not be administered (see CONTRAINDICATIONS ). For patients with risk factors predictive of CAD who are determined to have a satisfactory cardiovascular evaluation, it is strongly recommended that administration of the first dose of Dihydroergotamine Mesylate Injection, USP take place in the setting of a physician's office or similar medically staffed and equipped facility unless the patient has previously received dihydroergotamine mesylate.
Because cardiac ischemia can occur in the absence of clinical symptoms, consideration should be given to obtaining on the first occasion of use, an electrocardiogram (ECG) during the interval immediately following Dihydroergotamine Mesylate Injection, USP in those patients with risk factors. It is recommended that patients who are intermittent long-term users of D…
🤒 Adverse Reactions ▾
ADVERSE REACTIONS Serious cardiac events, including some that have been fatal, have occurred following use of Dihydroergotamine Mesylate Injection, USP, 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 ).
Post-introduction Reports The following events derived from postmarketing experience have been occasionally reported in patients receiving Dihydroergotamine Mesylate Injection, USP: vasospasm, paraesthesia, hypertension, dizziness, anxiety, dyspnea, headache, flushing, diarrhea, rash, increased sweating, and pleural and retroperitoneal fibrosis after long-term use of dihydroergotamine. Extremely rare cases of myocardial infarction and stroke have been reported. A causal relationship has not been established.
Dihydroergotamine Mesylate Injection, USP is not recommended for prolonged daily use (see DOSAGE AND ADMINISTRATION ). To report SUSPECTED ADVERSE REACTIONS, contact Milla Pharmaceuticals Inc., at 1– 888-300-3908 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
🔄 Drug Interactions ▾
Drug Interactions Vasoconstrictors Dihydroergotamine Mesylate Injection, USP should not be used with peripheral vasoconstrictors because the combination may cause synergistic elevation of blood pressure. Sumatriptan Sumatriptan has been reported to cause coronary artery vasospasm, and its effect could be additive with Dihydroergotamine Mesylate Injection, USP. Sumatriptan and Dihydroergotamine Mesylate Injection, USP should not be taken within 24 hours of each other (see CONTRAINDICATIONS ).
Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. Nicotine Nicotine may provoke vasoconstriction in some patients, predisposing to a greater ischemic response to ergot therapy. CYP3A4 Inhibitors (e.g., Macrolide Antibiotics and Protease Inhibitors) (see CONTRAINDICATIONS and WARNINGS ) SSRI's Weakness, hyperreflexia, and incoordination have been reported rarely when 5-HT 1 agonists have been co-administered with SSRI's (e.g., fluoxetine, fluvoxamine, paroxetine, sertraline).
There have been no reported cases from spontaneous reports of drug interaction between SSRI's and Dihydroergotamine Mesylate Injection, USP. Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied.
🤰 Pregnancy ▾
Pregnancy Risk Summary Available data from published literature indicated an increased risk of preterm delivery with Dihydroergotamine Mesylate Injection, USP use during pregnancy. Avoid use of Dihydroergotamine Mesylate Injection, USP 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.
In animal reproduction studies, adverse effects on development were observed following intranasal administration of dihydroergotamine mesylate during pregnancy (decreased fetal body weight and/or skeletal ossification) in rats and rabbits or during pregnancy and lactation in rats (decreased body weight and impaired reproductive function in the offspring) at doses that were not associated with maternal toxicity (see Data). The estimated rate of major birth defects (2.2% to 2.9%) and miscarriage (17%) among deliveries to women with migraine are similar to rates reported in women without migraine.
All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriages in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Animal Data Intranasal administration of dihydroergotamine mesylate to pregnant rats throughout the period of organogenesis resulted in decreased fetal body weight and/or skeletal ossification at doses of 0.16 mg/day and greater.
A no-effect level for adverse effects on embryofetal development was not identified in rats. Intranasal administration of dihydroergotamine mesylate to pregnant rabbits throughout organogenesis resulted in decreased skeletal ossification of 3.6 mg/day. The no-effect dose for adverse effects on embryofetal development in rabbits was 1.2 mg/day.
Intranasal administration of dihydroergotamine mesylate to female rats throughout pregnancy and lactation resulted in decreased body weight and impaired reproductive function (decreased mating indices) in the offspring at doses of 0.16 mg/day or greater. A no-effect dose for adverse effects on pre- and postnatal development in rats was not established. Effects on offspring development occurred at doses below those that produced evidence of maternal toxicity in these studies.
Dihydroergotamine-induced intrauterine growth retardation has been attributed to reduced uteroplacental blood flow resulting from prolonged vasoconstriction of the uterine vessels and/or increased myometrial tone.
🧒 Pediatric Use ▾
Pediatric Use Safety and effectiveness in pediatric patients have not been established.
🆘 Overdosage ▾
OVERDOSAGE To date, there have been no reports of acute overdosage with this drug. Due to the risk of vascular spasm, exceeding the recommended dosages of Dihydroergotamine Mesylate Injection, USP is to be avoided. Excessive doses of dihydroergotamine may result in peripheral signs and symptoms of ergotism.
Treatment includes discontinuance of the drug, local application of warmth to the affected area, the administration of vasodilators, and nursing care to prevent tissue damage. In general, the symptoms of an acute Dihydroergotamine Mesylate Injection, USP overdose are similar to those of an ergotamine overdose, although there is less pronounced nausea and vomiting with Dihydroergotamine Mesylate Injection, USP. The symptoms of an ergotamine overdose include the following: numbness, tingling, pain, and cyanosis of the extremities associated with diminished or absent peripheral pulses; respiratory depression; an increase and/or decrease in blood pressure, usually in that order; confusion, delirium, convulsions, and coma; and/or some degree of nausea, vomiting, and abdominal pain.
In laboratory animals, significant lethality occurs when dihydroergotamine is given at I.V. doses of 44 mg/kg in mice, 130 mg/kg in rats, and 37 mg/kg in rabbits. Up-to-date information about the treatment of overdosage can often be obtained from a certified Regional Poison Control Center. Telephone numbers of certified Poison Control Centers are listed in the Physician's Desk Reference(PDR) * .
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Mechanism of Action Dihydroergotamine binds with high affinity to 5-HT 1D α and 5-HT 1D β receptors. It also binds with high affinity to serotonin 5-HT 1A , 5-HT 2A , and 5-HT 2C receptors, noradrenaline α 2A , α 2B and α 1 receptors, and dopamine D 2L and D 3 receptors. The therapeutic activity of dihydroergotamine in migraine is generally attributed to the agonist effect at 5-HT 1D receptors.
Two current theories have been proposed to explain the efficacy of 5-HT 1D receptor agonists in migraine. One theory suggests that activation of 5-HT 1D receptors located on intracranial blood vessels, including those on arteriovenous anastomoses, leads to vasoconstriction, which correlates with the relief of migraine headache. The alternative hypothesis suggests that activation of 5-HT 1D receptors on sensory nerve endings of the trigeminal system results in the inhibition of pro-inflammatory neuropeptide release.
In addition, dihydroergotamine possesses oxytocic properties. Pharmacokinetics Absorption Absolute bioavailability for the subcutaneous and intramuscular route have not been determined; however, no difference was observed in dihydroergotamine bioavailability from intramuscular and subcutaneous doses. Dihydroergotamine mesylate is poorly bioavailable following oral administration.
Distribution Dihydroergotamine mesylate is 93% plasma protein bound. The apparent steady-state volume of distribution is approximately 800 liters. Metabolism Four dihydroergotamine mesylate metabolites have been identified in human plasma following oral administration.
The major metabolite, 8´-β-hydroxydihydroergotamine, exhibits affinity equivalent to its parent for adrenergic and 5-HT receptors and demonstrates equivalent potency in several venoconstrictor activity models, in vivo and in vitro. The other metabolites, (i.e., dihydrolysergic acid, dihydrolysergic amide) and a metabolite formed by oxidative opening of the proline ring are of minor importance. Following nasal administration, total metabolites represent only 20% to 30% of plasma AUC.
Quantitative pharmacokinetic characterization of the four metabolites has not been performed. Excretion The major excretory route of dihydroergotamine is via the bile in the feces. The total body clearance is
1.5L/min which reflects mainly hepatic clearance. Only 6% to 7% of unchanged dihydroergotamine is excreted in the urine after intramuscular injection. The renal clearance (0.1 L/min) is unaffected by the route of dihydroergotamine administration.
The decline of plasma dihydroergotamine after intramuscular or intravenous administration is multi-exponential with a terminal half-life of about 9 hours. Subpopulations No studies have been conducted on the effect of renal or hepatic impairment, gender, race, or ethnicity on dihydroergotamine pharmacokinetics. Dihydroergotamine Mesylate Injection, USP is contraindicated in patients with severely impaired hepatic or renal function (see CONTRAINDICATIONS ).
Interactions Pharmacokinetic interactions have been reported in patients treated orally with other ergot alkaloids (e.g., increased levels of ergotamine) and macrolide antibiotics, principally troleandomycin, presumably due to inhibition of cytochrome P4503A metabolism of the alkaloids by troleandomycin. Dihydroergotamine has also been shown to be an inhibitor of cytochrome P4503A catalyzed reactions and rare reports of ergotism have been obtained from patients treated with dihydroergotamine and macrolide antibiotics (e.g., troleandomycin, clarithromycin, erythromycin), and in patients treated with dihydroergotamine and protease inhibitors (e.g., ritonavir), presumably due to inhibition of cytochrome P4503A metabolism of ergotamine (see CONTRAINDICATIONS ).
No pharmacokinetic interactions involving other cytochrome P450 isoenzymes are known.
🧬 Mechanism of Action ▾
Mechanism of Action Dihydroergotamine binds with high affinity to 5-HT 1D α and 5-HT 1D β receptors. It also binds with high affinity to serotonin 5-HT 1A , 5-HT 2A , and 5-HT 2C receptors, noradrenaline α 2A , α 2B and α 1 receptors, and dopamine D 2L and D 3 receptors. The therapeutic activity of dihydroergotamine in migraine is generally attributed to the agonist effect at 5-HT 1D receptors.
Two current theories have been proposed to explain the efficacy of 5-HT 1D receptor agonists in migraine. One theory suggests that activation of 5-HT 1D receptors located on intracranial blood vessels, including those on arteriovenous anastomoses, leads to vasoconstriction, which correlates with the relief of migraine headache. The alternative hypothesis suggests that activation of 5-HT 1D receptors on sensory nerve endings of the trigeminal system results in the inhibition of pro-inflammatory neuropeptide release.
In addition, dihydroergotamine possesses oxytocic properties.
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED/STORAGE AND HANDLING Dihydroergotamine Mesylate Injection, USP Available as a clear, colorless, sterile solution in single 1 mL sterile ampules containing 1 mg of dihydroergotamine mesylate per mL, in packages of 5 (NDC 71357-013-05) and 10 (NDC 71357-013-10). Store at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature]. Use carton to protect contents from light until used.
Do not refrigerate or freeze. To assure constant potency, protect the ampules from light and heat. Administer only if clear and colorless. * Trademark of PDR Network, LLC Distributed by: Milla Pharmaceuticals, Inc., An A.forall Company White Bear Lake, MN 55110 Made in France Revised: 10/2025
📦 Storage and Handling ▾
Store at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature]. Use carton to protect contents from light until used. Do not refrigerate or freeze.
To assure constant potency, protect the ampules from light and heat. Administer only if clear and colorless. * Trademark of PDR Network, LLC Distributed by: Milla Pharmaceuticals, Inc., An A.forall Company White Bear Lake, MN 55110 Made in France Revised: 10/2025
📋 Description ▾
DESCRIPTION Dihydroergotamine Mesylate Injection, USP is ergotamine hydrogenated in the 9, 10 position as the mesylate salt. Dihydroergotamine Mesylate Injection, USP is known chemically as ergotaman-3´,6´,18-trione,9,10-dihydro-12´-hydroxy-2´-methyl-5´-(phenylmethyl)-,(5´α)-, monomethanesulfonate. Its molecular weight is 679.80 and its empirical formula is C 33 H 37 N 5 O 5 •CH 4 O 3 S.
The chemical structure is: Dihydroergotamine mesylate C 33 H 37 N 5 O 5 •CH 4 O 3 S Mol. Wt. 679.80 Dihydroergotamine Mesylate Injection, USP is a clear, colorless solution supplied in sterile ampules for intravenous, intramuscular, or subcutaneous administration.
Each mL contains 1 mg Dihydroergotamine Mesylate, USP; Alcohol, USP 6.1% by volume; Glycerin, USP 15% by weight; Water for Injection, USP; Methanesulfonic Acid and/or Sodium Hydroxide for pH adjustment (pH range is 3.4 to 4.9). "Image Description"
💬 Information for Patients ▾
Information for Patients The text of a patient information sheet is printed at the end of this insert. To assure safe and effective use of Dihydroergotamine Mesylate Injection, USP, the information and instructions provided in the patient information sheet should be discussed with patients. Patients should be advised to report to the physician immediately any of the following: numbness or tingling in the fingers and toes, muscle pain in the arms and legs, weakness in the legs, pain in the chest, temporary speeding or slowing of the heart rate, swelling, or itching.
Prior to the initial use of the product by a patient, the prescriber should take steps to ensure that the patient understands how to use the product as provided (see Patient Information Sheet and product packaging). Administration of Dihydroergotamine Mesylate Injection, USP should not exceed the dosing guidelines and should not be used for chronic daily administration (see DOSAGE AND ADMINISTRATION ).