Not Medical Advice: White, capsule-shape pill with H 114 imprint has been identified as Methocarbamol 500 mg.
Methocarbamol is a muscle relaxant, used to treat opiate withdrawal, muscle spasm, tetanus and it belongs to the drug class skeletal muscle relaxants. It works by blocking nerve impulses or pain sensations that are sent to your brain. Learn more at Drugs.com - Methocarbonal.
In related news, muscle relaxant Methocarbamol was one of the drugs recalled by New England Compounding Center (NECC) after inspectors discovered fungal and bacterial contamination in some of the company's products, according to the U.S. Food and Drug Administration. Read more at WBIR.