Here is an alternative to Betadine: 
Videne is the straight swap for Betadine.
Videne Antiseptic Solution is a broad spectrum antiseptic for topical use. It may be used wherever an effective antiseptic is required for the skin e.g in casualty work or for pre-operative skin preparation. It will give a colour delineation to the skin which effectively indicates which areas of the skin remain antiseptic.
Contents:
Active ingredient: Povidone-lodine USP 10.0% w/w (1% w/w available iodene).
Other ingredients: Alkyl Phenol Ether Sulphate (Ammonium Salt), Glycerin BP, Citric Acid, Anhydrous Sodium Phosphate, Purified Water BP.
Links:
http://www.midmeds.co.uk/videne-surg...ml-p-2104.html
http://www.expresschemist.co.uk/Vide...-Solution.html
http://www.chemistdirect.co.uk/viden..._1_156518.html