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Table 8 Medications were defined on the basis of the NICE guidelines[4] and were coded as follows

From: Using read codes to identify patients with irritable bowel syndrome in general practice: a database study

NICE medications Read codes Rubric
Bulk-forming laxatives ab2.. Isphagula husk
ab3.. Methylcellulose
ab4.. Sterculia
Stimulant laxatives ac5.. Docusate sodium
ac7.. Senna
ac8.. Sodium picosulphate
af1.. Rectal laxatives (Glycerol, biascodyl)
ac1.. Biascodyl
Faecal softeners ad1.. Liquid paraffin
Osmotic laxatives ae4.. Polyethylene glycols
a12.. Magnesium salts – antacid
ae2.. Magnesium hydroxide
ae3.. Magnesium sulphate
ae7.. Sodium phosphate
Antimotility agents a81.. Codeine phosphate
a82.. Diphenoxylate hydrochloride
a83.. Loperamide: single drug
a85.. Loperamide: compound preparation
a842. Kaolin and morphine mixture
Antispasmodics a41.. Atrophine sulphate
a45.. Dicycloverine hydrochloride
a47.. Hyoscine butylbromide
a4c.. Propantheline bromide
a4d.. Alverine citrate
a4e.. Mebeverine hydrochloride
a4f.. Peppermint oil
Tricyclics and related antidepressants d71.. Amitripyline
d91.. Triptafen
d73.. Clomipramine hydrochloride
d75.. Dosulephin hydrochloride
d76.. Doxepin
d77.. Imipramine hydrochloride
d79.. Lofepramine
d7c.. Nortriptyline
d7f.. Trimipramine
d7b.. Mianserin hydrochloride
d7e.. Trazodone hydrochloride
da9.. Citalopram
Selective serotonin re-uptake inhibitors (SSRIs)
daC.. Escitalopram
Monoamine oxidase inhibitors (MAOIs) da4.. Fluoxetine hydrochloride
Reversible MAOIs da3.. Fluvoxamine maleate
da6.. Paroxetine hydrochloride
da5.. Sertraline hydrochloride
Other antidepressants d81.. Phenelzine
  d83.. Isocarboxazid
  d84.. Tranylcypromine
  d85.. Moclobemide
  gde.. Duloxetine
  da1.. Flupentixol
  daB.. Mirtazapine
  daA.. Reboxetine
  da2.. Tryptophan