Ruminative worry, repetitive and intrusive thoughts, counting and/or checking things over and again are all features of Obsessive Compulsive Disorder. It is considered a type of Anxiety Disorder - and will usually require specialized medication or behavioral treatment.

Opiates are drugs derived from the opium poppy. They are also referred to as narcotics. Opiate drugs all work by attaching themselves to natural opiate receptors in your brain.

Examples of opiate drugs include oxycodone, morphine or heroin.

Opioid is a word used to refer to any drug derived chemically from the opium poppy - and is another word for the group of opiate drugs.

Opium is a substance derived directly from the opium poppy - and which is smoked to obtain euphoriant effects similar to other opiate drugs.

An Overdose results when too much of a drug is taken. Depending on the drug taken, the result may make you ill or will sometimes result in coma and death.

Oxycocet is a synthetic opiate drug that is widely prescribed for the relief of chronic pain. It became a favorite drug of abuse during the 1990's - and is still widely abused today.

Oxycodone is a timed release form of a powerful opiate drug that is commonly prescribed for pain relief. It has become a favorite drug of abuse and is widely diverted from prescriptions to underground drug distribution networks.

Oxycodone is higly addictive - and often results in a powerful physical dependency that may require specific and longer term treatment to overcome.

Oxycontin is a registered brand name for the drug oxycodone. It is widely abused for its potent euphoriant effect - and is know by the street names of 'oxy's' or by its potency (i.e. 'eighties).