RT Journal Article SR Electronic T1 Alternative forms of levodopa JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 103 OP 104 DO 10.1136/dtb.10.26.103 VO 10 IS 26 YR 1972 UL http://dtb.bmj.com/content/10/26/103.abstract AB Since we discussed levodopa in 1970,1 the drug has been marketed in several forms. There is now a choice of tablets, capsules and slow-release preparations. Tablets or capsules usually need to be taken four to six times a day.