What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Migranal Nasal Spray (Dihydroergotamine)


Migranal Nasal Spray (Dihydroergotamine)

Prescription Required

4mg / ml (3 x 1ml)

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  • Product Details


    Dihydroergotamine Mesylate is often prescribed for the treatment of migraines and headaches when other forms of treatment have not been successful. It is inhaled through the nostrils to provide quick relief of headaches as they start.

    Dihydroergotamine Mesylate works by tightening the blood vessels in the brain, which leads to a decrease in pain signals. If blood vessels are too relaxed, this can push into the surrounding tissue and cause inflammation that leads to headaches.

    Fact Table







    Legal status


    Chemical Name


    Elimination half-life

    9 hours

    Dosage (Strength)



    Consult Doctor


    Migranal, Trudhesa

    Protein binding


    PubChem CID






    ATC code






    Routes of administration



    The standard dosage is to inhale one inhalation through the nose at the onset of symptoms. Repeat every hour as needed, do not exceed 3 mg per 24 hour period. Do not exceed 6 mg in a week.

    Taking more than the recommended maximum can lead to rebound headache and worsening of pain and other symptoms.


    The active ingredient is Dihydroergotamine Mesylate.


    There are many drug-drug interactions with this medication, including:

    • Abametapir
    • Alpha-/Beta-Agonists
    • Alpha1-Agonists
    • Bromocriptine
    • Atazanavir
    • Ceritinib
    • Clarithromycin
    • Cobicistat and cobicistat-containing coformulations
    • Darunavir
    • Idelalisib
    • Indinavir
    • Itraconazole
    • Ketoconazole
    • Levoketoconazole
    • Lonafarnib
    • Lopinavir
    • Mifepristone
    • Nefazodone
    • Nelfinavir
    • Ombitasvir-paritaprevir-ritonavir
    • Ombitasvir-paritaprevir-ritonavir plus dasabuvir
    • Posaconazole
    • Ritonavir and ritonavir-containing coformulations
    • Saquinavir
    • Telithromycin
    • Tucatinib
    • Voriconazole
    • Erythromycin 
    • Fosamprenavir
    • Roxithromycin
    • Triptans
    • Tipranavir
    • Nitroglycerin


    Tell your doctor if you have a history of valvular heart disease before taking this drug.

    This medication has been associated with serious and life threatening ischemia.

    Use caution if you have a prior history of stroke.

    Side Effects

    Dihydroergotamine mesylate nasal spray side effects can include:

    • Altered sense of smell
    • Asthgenia
    • Burning sensation of the nose
    • Diarrhea
    • Drowsiness
    • Dry nose
    • Dysgeusia
    • Ear discomfort
    • Epistaxis
    • Hot flash
    • Nasal cavity pain
    • Nasal congestion
    • Nasal discomfort
    • Nasal mucosal irritation
    • Nasal sore
    • Nasopharyngitis
    • Nausea
    • Pharyngitis
    • Rhinitis
    • Rhinorrhea
    • Sinus discomfort
    • Stiffness
    • Vomiting

    Tell your pharmacist and doctor if you experience any of the above while taking this medication.


    Dihydroergotamine. East Hanover, New Jersey: Novartis; year.

    Frequently Asked Questions about Migranal Nasal Spray

    What is Migranal nasal spray?

    Migranal nasal spray is a prescription medication used to treat migraine headaches. It contains the active ingredient dihydroergotamine mesylate, which helps relieve migraine symptoms.

    How does Migranal work to relieve migraines?

    Migranal works by narrowing blood vessels in the brain, which helps reduce the intensity of migraine headaches. It also inhibits the release of certain chemicals in the brain associated with migraines.

    When should I use Migranal nasal spray during a migraine attack?

    Migranal should be used as soon as you experience the onset of a migraine headache. It is most effective when used at the earliest signs of a migraine attack.

    How is Migranal nasal spray administered?

    To use Migranal, insert the nasal spray tip into one nostril and press the plunger to release the medication. Inhale gently through the nose as you do this. Repeat the process in the other nostril if directed by your healthcare provider.

    Can I use Migranal for every migraine attack I experience?

    Migranal should not be used for every migraine attack. It is typically recommended for moderate to severe migraines that do not respond to over-the-counter medications. Consult your healthcare provider for guidance on when to use Migranal.

    Are there any common side effects of Migranal nasal spray?

    Yes, some common side effects may include nasal congestion, nasal irritation, altered taste, and nausea. Be sure to discuss potential side effects with your healthcare provider.

    How often can I use Migranal nasal spray?

    The frequency of use will be determined by your healthcare provider. It is important to follow the prescribed dosage instructions and not exceed the recommended limits.

    Can I use Migranal if I am pregnant or breastfeeding?

    It is important to consult your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding before using Migranal. They will assess the potential risks and benefits of the medication in your specific situation.

    Can Migranal nasal spray be used by children or adolescents?

    Migranal is typically not prescribed for children or adolescents unless specifically directed by a pediatrician or pediatric neurologist. It is generally intended for use by adults.

    Is it safe to drive or operate machinery after using Migranal?

    Migranal may cause dizziness or drowsiness as a side effect. It is advisable to wait until you are fully alert and your migraine symptoms have subsided before driving or operating heavy machinery.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 10122

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