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Table 1 Categories of lifetime use of analgesics

From: Case-control study on analgesics and nephropathy (SAN): protocol

Category of analgesics Description
1. Phenacetin-free analgesics All analgesics not containing phenacetin
2. Phenacetin-containing analgesics Analgesics containing phenacetin
3. Mono analgesics (MONOS); phenacetin-free
One analgesic compound, no non-analgesic active agents (except vitamins)
 
  3.1 Paracetamol (acetaminophen)
  3.2 ASA
  3.3 Ibuprofen
  3.4 Metamizol, Diclofenac, Propyphenazon, Indometacin, Aminophenazon, Phenylbutazon)
4. Combination analgesics (COMBIS); phenacetin-free
Combination of more than one active analgesic agent – or – one or more analgesic active agent with one or more non-analgesic agents
 
  4.1 Paracetamol + caffeine (Paracetamol and caffeine, no other analgesic or non-analgesic agent)
  4.2 Paracetamol + ASA (Combination of paracetamol and ASA, no other analgesic or non-analgesic agent, no caffeine, no codeine, no barbiturates
  4.3 Paracetamol + ASA + Caffeine (Combination of paracetamol and ASA and caffeine, no other analgesic or non-analgesic agent)
  4.4 Other monos + Caffeine (One other analgesic agent – except phenacetin or paracetamol with caffeine, no additional non-analgesic agents
  4.5 Other combis without caffeine (Two or more analgesic agents – except combination paracetamol + ASA with or without non-analgesic agents, or one analgesic agent with one or more non-analgesic agents, but no caffeine, no codeine, no barbiturates.
  4.6 Other combis + caffeine (ASA or paracetamol and/or other analgesic agents and caffeine, no phenacetin, no codeine, no barbiturates)
  4.7 Combis with codeine and/or barbiturates (One or more analgesic agents and codeine and/or barbiturates, independent of other agents, i.e. even with additional caffeine, but no phenacetin.