This registry is a place to share positive or negative side effects of using Naproxen Sodium. If you directly experienced a side effect while using Naproxen Sodium, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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September 16th
2008
1:06 AM
I have been taking two 220 mg. Naproxen Sodium tablets (Aleve) twice per day for backaches, for the past three to four weeks. I am sensitive to ibuprofen (tinnitus and vertigo) so chose Naproxen because it does not seem to have that effect on me. However, I have had painful mouth sores on the inside of my lips and under my tongue since about the first full week of usage.
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