FRCSC stands for Fellow of the Royal College of Surgeons of Canada. Suggest new definition. This definition appears very rarely and is found in the following Acronym Finder categories: 1  Organizations, NGOs, schools, universities, etc.
Naproxen Side Effects. Several different side effects can occur with the use of naproxen. Those that were most commonly reported in clinical trials included stomach pain, constipation, and drowsiness. People who use this pain-relief medicine may also have a higher risk of heart attack or stroke.
Common naproxen side effects may include: indigestion, heartburn, stomach pain, nausea; headache, dizziness, drowsiness; bruising, itching, rash; swelling; or. ringing in your ears. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. Side Effects (complete list) What other drugs will affect naproxen?