There are 4 tablespoons in a quarter cup and there are 3 teaspoons in each tablespoon; this means that there are 12 teaspoons in a quarter cup. A quarter cup is also equal to 2 fluid ounces.
In brief: Yes. Opiods have a slowing effect on gastomotility commonly causing side effects like constipation and nausea. Abrupt withdrawal of opioids from the system can cause rebound hypermotility of the GI tract which usually presents as diarrhea as well as GI spasm or craming causing abdominal pain (stomach pain).
Relafen is a non-steroidal anti-inflammatory medication that can cause stomach problems too. There are many different anti-inflammatory medication on the market and you just have to be careful on the one you take and hoepfully find one that works for you. A lot of people like Celebrex which works like Vioxx and Bextra.