This red, capsule pill imprinted with TEVA 8815 is a Tolmetin 400 MG Oral Capsule, per the NIH.
Tolmetin Sodium is a human prescription drug. The active pharmaceutical ingredient is tolmetin sodium and is classified as, "Cyclooxygenase Inhibitors [MoA], Nonsteroidal Anti-inflammatory Compounds [Chemical/Ingredient], Nonsteroidal Anti-inflammatory Drug [EPC]."
This pill is made by Teva Pharmaceuticals USA Inc.
There are 3 other red pills that with a similar imprint: "TEVA 8815". They may be a different dosage of the same drug or a different drug entirely.