Hygroton is a trademark of Novartis Pharmaceuticals for Chlorthalidone, an antihypertensive diuretic based on Thiazide. Other drugs in this category include Bendroflumethiazide, Chlorothiazide, Hydrochlorothiazide, Hydroflumethiazide, Methyclothiazide, Metolazone, Polythiazide, Quinethazone, and Trichlormethiazide. It is not marketed by Novartis Pharmaceuticals UK 1)

External links

Novartis page listing Hygroton
RxMed.com Hygroton data
Drugs.com Hygroton, et al, data

• NLM/ NIH Chlorthalidone page
  
• NLM/ NIH Thiazide (Systemic) Diuretics page