Ultrafix T Tablets contain tramadol hydrochloride which is a pain relief drug which acts on the brain to achieve its effects. It changes how pain is felt by binding “mu-opioid” receptors and inhibiting the reuptake of “serotonin” & “nor epinephrine” in the brain. Dogs who’ve had surgery can be given tramadol to reduce pain. Tramadol Hydrochloride is a synthetic centrally acting analgesic, Used for treating moderate to severe pain for dogs and cats. It may take up to 2 weeks for tramadol to reach its full analgesic effect. Tramadol induced anti-nociception is only partially reversed by Naloxone. Tramadol is a pain relief drug which is sometimes prescribed by vets to relieve arthritis in dogs and pain in general. There are a few other conditions like Anxiety, Canine degenerative myelopathy, Coughing.