Alcohol is sold at Ramada and Sindbad Hotel to Non-Muslims only.
All types of both local and international propriety soft drinks are available in almost every store and roadside shops. Bottled water is ubiquitously available. Keep yourself hydrated as mercury can rise sharply sometimes.
In summer you can try the local 'falsa cola' redcurrant cola which is almost unique to Multan.
Also give a try to the 'Goli Wali Bottle' Soft Drink Bottle with Marble in it It can be had at specialized drink shops at Dera Adda or in the old city.
Dahi ballay (curd with mix vegetables) and Gol Gappay
Dahi ballay sour curd with mix vegetables and gol gappay are a must have in Multan. These are best had at a parking of a local cinema at Nawan Shehr
Khara Soda
Available at some of the herbalists in and around Ghanta Ghar