Alternatives to Ajovy for Migraine Prevention

If you've been prescribed Ajovy (Fremanezumab) for migraine prevention but can't fill your prescription — whether because of availability issues, insurance barriers, or cost — you're not out of options. Several effective alternatives exist, and understanding them can help you and your doctor find the right backup plan.

This guide covers the most commonly prescribed alternatives to Ajovy, how they compare, and what to discuss with your healthcare provider.

What Is Ajovy and How Does It Work?

Ajovy is a CGRP (calcitonin gene-related peptide) inhibitor — a monoclonal antibody that works by binding to and blocking CGRP, a protein that plays a central role in triggering migraine attacks. By neutralizing CGRP, Ajovy helps prevent migraines before they start.

It's given as a subcutaneous injection, either 225 mg once monthly or 675 mg (three injections) every three months. It's FDA-approved for the preventive treatment of migraine in adults and adolescents 12 and older weighing at least 45 kg.

For a deeper look at the science, see our post: How Does Ajovy Work? Mechanism of Action Explained.

CGRP Inhibitor Alternatives

These medications work through the same CGRP pathway as Ajovy and are the most direct alternatives. If Ajovy works well for you conceptually but you can't get it, one of these may be a seamless switch.

Aimovig (Erenumab)

Aimovig was the first CGRP inhibitor approved by the FDA (2018) and works slightly differently from Ajovy — it blocks the CGRP receptor rather than the CGRP protein itself. The end result is similar: fewer migraine days.

• Dosing: 70 mg or 140 mg subcutaneous injection once monthly
• Form: Prefilled autoinjector pen
• Manufacturer: Amgen/Novartis
• Key difference: Receptor blocker vs. ligand blocker. Some patients who don't respond well to one mechanism may respond to the other.
• Cash price: Approximately $700–$800 per monthly dose

Emgality (Galcanezumab)

Emgality works like Ajovy by targeting the CGRP protein directly. It's also FDA-approved for both episodic and chronic migraine prevention, as well as episodic cluster headache — a unique advantage.

• Dosing: 240 mg loading dose (two 120 mg injections), then 120 mg monthly
• Form: Prefilled syringe or autoinjector pen
• Manufacturer: Eli Lilly
• Key difference: Also approved for cluster headache prevention. Requires a loading dose.
• Cash price: Approximately $700–$900 per monthly dose

Vyepti (Eptinezumab)

Vyepti is the only CGRP inhibitor given as an intravenous (IV) infusion. It's administered every three months at a healthcare facility, which eliminates the need for self-injection at home.

• Dosing: 100 mg or 300 mg IV infusion every three months
• Form: IV infusion (approximately 30 minutes)
• Manufacturer: Lundbeck
• Key difference: No self-injection. Administered in a clinic, which some patients prefer. May work faster since it's delivered directly into the bloodstream.
• Cash price: Approximately $1,500–$2,000 per infusion (excludes administration costs)

Qulipta (Atogepant)

Qulipta is an oral CGRP receptor antagonist — meaning it works through the same pathway but comes as a daily pill instead of an injection. For patients who prefer to avoid needles, this can be a game-changer.

• Dosing: 10 mg, 30 mg, or 60 mg tablet taken once daily
• Form: Oral tablet
• Manufacturer: AbbVie
• Key difference: No injections. Taken daily rather than monthly or quarterly. May be preferred by needle-averse patients.
• Cash price: Approximately $900–$1,100 per month

Traditional Preventive Migraine Medications

If CGRP inhibitors aren't accessible or affordable, several older — and often much cheaper — medications are well-established for migraine prevention. In fact, most insurance plans require you to try some of these before approving a CGRP inhibitor.

• Topiramate (Topamax): An anticonvulsant widely used for migraine prevention. Generic available for $10–$30/month.
• Propranolol (Inderal): A beta-blocker that can reduce migraine frequency. Generic available for $10–$20/month.
• Amitriptyline: A tricyclic antidepressant used at low doses for migraine prevention. Generic available for $5–$15/month.
• Venlafaxine (Effexor): An SNRI antidepressant sometimes used for migraine prevention. Generic available for $10–$30/month.
• Botox (OnabotulinumtoxinA): FDA-approved for chronic migraine (15+ headache days per month). Administered as injections every 12 weeks in a doctor's office.

How to Choose the Right Alternative

The best alternative depends on your specific situation:

• If Ajovy worked well and you just can't get it: Emgality is the most similar option, targeting the same CGRP protein.
• If you want to avoid injections: Qulipta (oral daily tablet) is the most convenient option.
• If cost is the primary concern: Generic preventive medications like topiramate or propranolol are dramatically less expensive.
• If you prefer less frequent dosing: Vyepti (quarterly IV infusion) or the quarterly dosing option of other injectable CGRP inhibitors.

Always discuss any medication changes with your healthcare provider. Switching between CGRP inhibitors is generally straightforward, but your doctor will want to consider your full medical history.

Final Thoughts

Not being able to fill your Ajovy prescription is frustrating, but migraine prevention doesn't have to stop. Whether you switch to another CGRP inhibitor, try an oral alternative, or explore traditional preventive medications, there are effective options available.

Use Medfinder to check availability of Ajovy and its alternatives, and work with your doctor to find the approach that keeps your migraines under control.