Ubrelvy vs. Topamax
See how Ubrelvy and Topamax compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Ubrelvy is a CGRP blocker taken only when a migraine starts, while Topamax is a daily pill taken every day to help stop migraines before they begin.
Ubrelvy's main side effects are mild nausea and sleepiness, while Topamax more often causes tingling, appetite loss, and taste changes.
Ubrelvy has no generic and carries a high monthly price, while generic topiramate is one of the least expensive migraine medications on the market.
Ubrelvy vs. Topamax Drug Summary
Ubrelvy
Ubrelvy (ubrogepant) is an oral CGRP receptor antagonist, a class of drugs known as gepants, approved for the acute treatment of migraine with or without aura in adults. It's taken as one tablet at the first sign of a migraine, with an optional second dose at least two hours later if the first dose didn't fully work. It is not approved to prevent migraines.
Topamax
Topamax (topiramate) is an anticonvulsant approved to help prevent migraine headaches in people 12 and older, and it's also used to control certain seizure types. It's taken daily, starting at a low dose and increasing gradually over several weeks to a target maintenance dose. Unlike Ubrelvy, it does nothing for an attack already in progress.
Ubrelvy vs. Topamax Side Effects
Ubrelvy
Topamax
Ubrelvy vs. Topamax Dosage
Ubrelvy
Topamax
| STAGE | DOSE | WHEN |
| Starting dose | 50 mg or 100 mg orally | At the start |
| Maximum dose | 50 mg or 100 mg (2nd dose) | If needed |
| Dose changes | 1 increase | As tolerated |
| STAGE | DOSE | WHEN |
| Starting dose | 25 mg/day | Week 1 |
| Maximum dose | 100 mg/day | Week 4 onward |
| Dose changes | 3 increases | Every week |
Ubrelvy
| STAGE | DOSE | WHEN |
| Starting dose | 50 mg or 100 mg orally | At the start |
| Maximum dose | 50 mg or 100 mg (2nd dose) | If needed |
| Dose changes | 1 increase | As tolerated |
Topamax
| STAGE | DOSE | WHEN |
| Starting dose | 25 mg/day | Week 1 |
| Maximum dose | 100 mg/day | Week 4 onward |
| Dose changes | 3 increases | Every week |
Ubrelvy vs. Topamax Indications
Ubrelvy
Ubrelvy is FDA-approved for the acute treatment of migraine attacks, with or without aura, in adults. It stops a migraine that has already started rather than preventing future attacks. It is not approved for migraine prevention or for use in children.
Acute treatment of migraine with or without aura
For adults only, not approved in children
Taken as needed, not on a daily schedule
Not approved to prevent migraines
Avoid use in end-stage renal disease
Topamax
Topamax is FDA-approved for migraine prevention in people 12 and older, taken daily to reduce how often migraines occur. It's also approved to treat several seizure types, including partial-onset and primary generalized tonic-clonic seizures. It does not treat a migraine that has already started.
Prevention of migraine in patients 12 and older
Also approved to treat epilepsy and certain seizures
Taken daily on an ongoing schedule
Off-label: sometimes prescribed for weight loss
Does not treat an active migraine attack
Ubrelvy vs. Topamax Pros and Cons
Ubrelvy
Ubrelvy works fast for an individual attack and doesn't require daily dosing or a titration period. As a newer brand-only gepant, it carries a much higher price tag than older migraine drugs, and insurance coverage can be inconsistent.
Pros
No daily titration schedule required
Taken only when a migraine occurs
Low rates of sedation or cognitive side effects
Second dose option if the first doesn't fully work
Cons
No generic version, so cost stays high
Roughly $1,085 to $1,140 per month without insurance
Does not prevent migraines from occurring
Contraindicated with strong CYP3A4 inhibitors
Topamax
Topamax can meaningfully reduce how often migraines happen, but it requires weeks of dose titration and carries a real risk of cognitive side effects. Its long track record and low generic cost make it accessible, though tolerability limits who stays on it long term.
Pros
Inexpensive generic version widely available
Roughly $15 to $40 per month for generic topiramate
Also treats epilepsy if that's a coexisting condition
Long-term safety data from decades of use
Cons
Requires several weeks of titration before full dose
Can cause memory and concentration problems
Not for use during an active migraine attack
Carries a birth defect warning in pregnancy
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