Can you tell me any good cramp pain relievers ?

Cyclobenzaprine: Is particularly interesting for it is structurally and pharmacologically related to the tricyclic antidepressants. It may provide significant relief for muscle spasm pain even when used only at bedtime. Although its recommended duration of use is about one month, some clinicians have prescribed it for extended periods of time without reported adverse effects. Rec. See your pcp for more information.