Do not take more than 2 sumatriptan and naproxen tablets in 24 hours.
You should not use this medication if you are allergic to sumatriptan (Imitrex) or naproxen (Aleve, Anaprox, Naprosyn), or if you have a history of asthma or allergic reaction caused by aspirin or other NSAIDs (non-steroidal anti-inflammatory drugs).
Do not take sumatriptan and naproxen if you have liver disease, uncontrolled high blood pressure, or a history of heart disease, angina (chest pain), blood circulation problems, heart attack, stroke, or heart bypass surgery.
Do not take sumatriptan and naproxen if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate), selegiline (Eldepryl, Emsam), or phenelzine (Nardil) in the past 14 days.
Do not take sumatriptan and naproxen within 24 hours before or after taking any of the following medications: almotriptan (Axert), eletriptan (Relpax), frovatriptan (Frova), naratriptan (Amerge), rizatriptan (Maxalt, Maxalt-MLT), sumatriptan (Imitrex), or zolmitriptan (Zomig), or ergot medicine such as methysergide (Sansert), ergotamine (Ergomar, Ergostat, Cafergot, Ercaf, Wigraine), dihydroergotamine (D.H.E. 45, Migranal Nasal Spray), ergonovine (Ergotrate), methylergonovine (Methergine).