Uses of Dihydroergotamine Nasal Spray:

• It is used to treat migraine headaches.
• It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Dihydroergotamine Nasal Spray?

• If you have an allergy to dihydroergotamine or any other part of dihydroergotamine nasal spray.
• If you are allergic to dihydroergotamine nasal spray; any part of dihydroergotamine nasal spray; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you have any of these health problems: High blood pressure or some types of migraine headaches like hemiplegic or basilar migraine.
• If you have any of these health problems: Blood vessel problems, chest pain or pressure, heart disease, kidney disease, liver disease, poor blood flow, very bad infection, or recent blood vessel surgery.
• If you have ever had a heart attack.
• If you have taken almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, or zolmitriptan in the last 24 hours.
• If you have taken ergotamine, methysergide, or any drug like them in the last 24 hours.
• If you are pregnant or may be pregnant. Do not take dihydroergotamine nasal spray if you are pregnant.
• If you are breast-feeding. Do not breast-feed while you take dihydroergotamine nasal spray.

This is not a list of all drugs or health problems that interact with dihydroergotamine nasal spray.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take dihydroergotamine nasal spray with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Dihydroergotamine Nasal Spray?

• Tell all of your health care providers that you take dihydroergotamine nasal spray. This includes your doctors, nurses, pharmacists, and dentists.
• If you drink grapefruit juice or eat grapefruit often, talk with your doctor.
• This medicine is not meant for regular, daily use. Talk with the doctor.
• This medicine is not meant to prevent or lower the number of migraine headaches you get.
• Do not use more than what your doctor told you to use. Do not use more often or longer than what you were told. Doing any of these things may raise the chance of very bad side effects.
• Use care if you have risks for heart disease (high blood pressure, high cholesterol, overweight, high blood sugar or diabetes, cigarette smoking, man older than 40 years of age, other family members with early heart disease, woman after change of life). Talk with your doctor.
• Very bad and sometimes deadly side effects like a heartbeat that does not feel normal, heart attack, stroke, and very bad high blood pressure have happened with dihydroergotamine nasal spray. Talk with the doctor.
• This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking dihydroergotamine nasal spray, call your doctor right away.

How is this medicine (Dihydroergotamine Nasal Spray) best taken?

Use dihydroergotamine nasal spray as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• For breathing by the nose. Prime pump by squeezing it 4 times. Breathe in 1 spray in each nostril. Wait 15 minutes. Breathe in 1 more spray in each nostril.
• Do not tilt your head back or sniff through the nose while spraying dihydroergotamine nasal spray or right after use.

What do I do if I miss a dose?

• This medicine is taken on an as needed basis. Do not take more often than told by the doctor.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight.
• Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, or blurred eyesight.
• Chest pain or pressure.
• Slow heartbeat.
• Dizziness or passing out.
• Change in color of hands or feet from pale to blue or red.
• Numbness, pain, tingling, or cold feeling of the hands or feet.
• Any sores or wounds on the fingers or toes.
• Muscle pain or weakness.
• Muscle cramps.
• Swelling.
• Rarely, heart valve problems have happened with dihydroergotamine nasal spray. Call your doctor right away if you have a fast or abnormal heartbeat, shortness of breath, swelling in the arms or legs, or a big weight gain.

What are some other side effects of Dihydroergotamine Nasal Spray?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Upset stomach or throwing up.
• Nose and throat irritation.
• Change in taste.
• Nosebleed.
• Runny or stuffy nose.
• Burning.
• Dry nose.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Dihydroergotamine Nasal Spray?

• Store at room temperature. Do not refrigerate or freeze.
• Protect from heat and light.
• Once the nose spray is ready, throw away any part of the opened ampul not used after 8 hours.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer Information Use and Disclaimer

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about dihydroergotamine nasal spray, please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Frequently asked questions

• What are the new drugs for the treatment of migraines?