Emgality is a brand-name prescription drug that reduces the frequency of migraine headaches and helps treat episodic cluster headaches during a cluster period. The active ingredient in Emgality is a monoclonal antibody. It blocks the widening of blood vessels in the head, the mechanism that is responsible for the pain and other symptoms of migraine or cluster headaches. Patients will self-inject Emgality doses once per month using either a prefilled injection pen or syringe.
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Emgality
Galcanezumab-gnlm
Prevents migraine headaches. It also treats episodic cluster headaches.
Antimigraine, calcitonin gene-related peptide (CGRP) antagonist
Injectable
By injection
Emgality prevents migraine headaches and treats episodic cluster headaches.
Injection pen
1 mL of 120 mg/mL
Pre-filled syringe
1 mL of 100 mg/mL
1 mL of 120 mg/mL
For the prevention of migraine headaches: 120 mg subcutaneous injection once per month
For episodic cluster headaches: 300 mg subcutaneous injection at the start of the episode and then once per month until the end of the cluster episode
Emgality
1ml of 120mg/ml pen
Emgality
1ml of 120mg/ml syringe
Follow all the prescriber’s directions.
Please read the Patient Information sheet and Instructions for Use that come with this medicine.
How to inject the medicine:
People administering their own injections should inject the medicine into the skin on the abdomen or the front of the thighs.
Caregivers administering injections for another person can inject the medicine into the skin on the back of the upper arms or the buttocks.
People with vision or hearing problems should have their injections given by a caregiver.
Do not give injections into the same spot.
Do not inject the medicine into tender, bruised, red, or hard skin.
How to prepare the injection:
Wash your hands with soap and water before giving an injection.
Inspect the injection pen or syringe before using it. Do not use a syringe or pen injector that looks damaged, has passed its expiration date, or has medicine that is frozen, looks cloudy, or has small particles floating in the solution.
Never shake the Emgality pen or prefilled syringe.
Store the Emgality pen or prefilled syringe in the refrigerator in its original carton to protect the contents from light. Do not freeze.
Emgality can be stored at room temperature for up to seven days. If it is not used before that time, safely dispose of the medicine. If Emgality is stored at room temperature, do not return it to the refrigerator.
How to use the Emgality pen:
The Emgality pen is used only for migraine prevention.
Remove the Emgality pen from the medicine carton, and if there are more pens in the carton, return the carton to the refrigerator.
Let the pen stand at room temperature out of direct sunlight for 30 minutes. Do not heat it.
Clean the injection site with an alcohol wipe.
Pull the base cap off when ready to inject.
Press the pen’s base firmly against the injection site.
Press and hold the injection button.
Hold the pen’s base firmly against the skin until the pen clicks a second time. This will take about 10 seconds.
Dispose of the Emgality pen in the sharps container.
How to use the prefilled syringe:
The Emgality 100 mg single-dose prefilled syringe has a red plunger and is used only for episodic cluster headaches. You will use three syringes when giving the monthly dose.
The Emgality 120 mg single-dose prefilled syringe has a teal plunger and is used only to prevent migraine headaches. You will use only one syringe when giving a monthly dose.
Remove the syringes you will be using from the refrigerator. If the carton contains other syringes, return the carton and those syringes to the refrigerator.
Let the medicine stand at room temperature out of direct sunlight for 30 minutes. Do not heat it.
Clean the injection site with an alcohol wipe.
Pull the needle cap off when ready to inject.
Gently pinch the skin together at the injection site.
Holding the barrel of the syringe, insert the needle into the pinched skin at a 45-degree angle.
Push the plunger slowly and with constant pressure until it’s all the way down.
The colored plunger rod will fill the entire syringe barrel when you’re finished.
Gently remove the needle and dispose of the needle and syringe in a sharps container.
Take a missed dose as soon as it’s remembered.
The next scheduled dose should not be taken until 30 days after the missed dose has been injected.
This medicine is not right for everyone.
Do not use it if you have had an allergic reaction to its active ingredient, galcanezumab-gnlm.
Tell any doctor or other healthcare professional treating you about your use of Emgality.
Emgality treatment may require regular visits and tests to monitor therapy. Keep all appointments.
Before taking Emgality, tell the prescriber about all your medical conditions, present and past.
Tell the prescriber if you are pregnant or breastfeeding. There is a pregnancy registry used specifically to monitor pregnancy outcomes in women taking Emgality.
Emgality has no known drug interactions.
Even so, make sure the prescriber knows about all the drugs that you’re taking.
Tell other healthcare professionals about Emgality before they prescribe new medications.
Talk to a doctor if you notice any signs or symptoms of a possible serious side effect, including:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Pain, itching, burning, swelling, or a lump under your skin where the shot was given
Emgality drug summary, Prescriber’s Digital Reference (PDR)
Emgality galcanezumab-gnlm injection prescribing information, DailyMed (NIH National Library of Medicine
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Prescription savings vary by prescription and by pharmacy, and may reach up to 80% off cash price. This is a medical discount plan. This is NOT insurance. This program offers you the opportunity to locate providers of various types of medical services who will offer their services to you at discounted rates. The range of discounts for medical or ancillary services provided under the plan will vary depending on the type of provider and service received. You are fully responsible for paying for all health care services but will be entitled to receive a discount from those health care providers in accordance with the specific pre-negotiated discounted fee schedule. This program does not guarantee the quality of the services or procedures offered by the providers. Except for prescription drugs which you will pay directly to the pharmacy at the time of purchase, all other services received through a program provider will be charged to the credit card on file in your member account. The charge will include an administrative fee for use of the program. Towers Administrators LLC is the licensed discount medical plan organization with its administrative office located at 4510 Cox Road, Suite 111, Glen Allen, VA 23060. SingleCare Services, LLC is the marketer of the discount medical plan organization including its website, singlecare.com, with its corporate office located at 99 High Street, Suite 2800, Boston, MA 02110. For additional information, including an up-to-date list of providers, or assistance with any issue related to program membership, please contact member support any time at www.singlecare.com, or by calling toll-free 844-234-3057, 24 hours, 7 days a week (except major holidays). Pharmacy names, logos, brands, and other trademarks are the property of their respective owners.
Blog articles are not medical advice. They are intended for general informational purposes and are not meant to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. If you think you may have a medical emergency, immediately call your physician or dial 911.
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© 2025 SingleCare Administrators. All rights reserved