Confidence votes 81. It cost about $500-$800 worth a year's supply of diapers for the first year.The next years may or may not cost more, the same, or less.
Cyclobenzaprine, sold under the brand name Flexeril among others, is a muscle relaxer medication used to relieve skeletal muscle spasms and associated pain in acute musculoskeletal conditions. It is the best-studied drug for this application. It has also been used off-label for fibromyalgia treatment.
Constipation. Constipation has been reported by people with osteoporosis, pain, high blood pressure, depression, high blood cholesterol. (latest reports from 81,607 Constipation patients). On Sep, 15, 2015: 14,486 people reported to have side effects when taking Flexeril. Among them, 645 people (4.45%) have Constipation.