N NERVOUS SYSTEM N01 ANESTHETICS No DDDs have been established in this group because the doses used vary substantially. N02 ANALGESICS This group comprises general analgesics and antipyretics. All salicylic acid derivatives except combinations with corticosteroids are classified in N02BA - Salicylic acid and derivatives, as it is difficult to differentiate between the use of salicylates in rheumatic conditions and other therapeutic uses of salicylates. All plain ibuprofen preparations are classified in M01A, even if they are only intended for use as pain relief. Salicylic acid derivatives in combination with corticosteroids are classified in M01B. There are a number of combined preparations, which contain analgesics and psycholeptics. These are classified in N02, as pain relief must be regarded as the main indication. Analgesics used for specific indications are classified in the respective ATC groups. E.g.: A03D/ A03EA - Antispasmodic/psycholeptics/analgesic combinations M01 - Antiinflammatory and antirheumatic products M02A - Topical products for joint and muscular pain M03 - Muscle relaxants See comments to these groups. Lidocaine indicated for postherpetic pain is classified in N01BB. N03 ANTIEPILEPTICS N04 ANTI-PARKINSON DRUGS This group comprises preparations used in the treatment of Parkinson's disease and related conditions, including drug-induced parkinsonism. The DDDs are based on recommended doses for the long-term treatment of symptoms of Parkinson's disease. No separate DDDs are established for oral depot formulations. N05 PSYCHOLEPTICS The group is divided into therapeutic subgroups: N05A - Antipsychotics N05B - Anxiolytics N05C - Hypnotics and sedatives N06 PSYCHOANALEPTICS This group comprises antidepressants, psychostimulants, nootropics anti-dementia drugs and combinations with psycholeptics. Antiobesity preparations are classified in A08 - Antiobesity preparations, excl. diet products. N07 OTHER NERVOUS SYSTEM DRUGS This group comprises other nervous system drugs, which cannot be classified in the preceding 2nd levels in ATC group N.

Classification of drugs affecting the nervous system such as anesthetics.

Sirarat Sarntivijai