With a population of only 26,710, Eureka is county seat of Humboldt County, California. Despite its small size, Eureka, California is still the largest coastal city between Portland, Oregon and San Francisco. When residents of this coastal city are seeking treatment from one of the methadone clinics in California accredited to provide opioid addiction rehabilitation, they don’t have to travel far. They can find a methadone clinic Eureka CA to provide medically supervised, evidence-based, methadone maintenance therapy. Although some patients balk at long-term methadone treatment, they should know that studies have shown this medication provides optimum results when taken for 12 months or longer. Methadone is safe to use under medical supervision, but cannot be brought home in a monthly prescription bottle, as it is a controlled substance that is very dangerous when misused. A fatal overdose is possible when methadone is taken in large doses, or combined with alcohol or other drugs. Overdoses are particularly likely to be fatal when methadone is taken along with anti-anxiety meds such as Xanax and Valium.