Are there any other non opiate pain killers besides 'tramadol' to control abdominal and stomach pains?

Several: There are many pain medications that are not narcotic or opiate medication. The NSAID class for example may help, Acetaminophen may help, anti-spasmodics, muscle relaxants may help. etc. BUT, you first need to be properly diagnosed so the underling cause is revealed and you do not mask pain, which i the bodies way of telling you "something is wrong." Good luck.

Treat the cause: One of the areas pain killers are the least effective is in the abdomen. More often than not they will worsen the cause of the pain and defeat the purpose. The exception being chronic conditions such as chronic pancreatitis. The best way to deal with abdominal pain is to determine the cause and treat it. Without more information much cannot be said about the actual cause of your pain.

There : Are several meds that treat abdominal pain. I'm not sure the exact pain you are having but I would talk to your doctor to get the proper treatment. For example the treatment for an ulcer would be different than the treatment for a muscle pull. So talk to your doctor to get the correct and best treatment

Yes: Smooth muscle relaxers like Bentyl and Levsin (hyoscyamine) can help with abdominal cramping.

Tramadol technically: is an opiate. It is a synthetic opiate receptor binding drug and is effective for mild to moderate pain. There are many modalities for treating pain other than medication alone. If this is a chronic problem you may wish to speak with a pain specialist (in fact I strongly recommend this). NSAIDs like Ibuprofen and Tylenol (acetaminophen) are also helpful for pain, but have significant potential for adverse effect