<ARTICLE> 5 <CIK> 0000927653 <NAME> MCKESSON <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-START> APR-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 169,800 <SECURITIES> 44,900 <RECEIVABLES> 1,835,900 <ALLOWANCES> 103,900 <INVENTORY> 2,775,200 <CURRENT-ASSETS> 4,755,200 <PP&E> 892,400 <DEPRECIATION> 448,400 <TOTAL-ASSETS> 6,301,100 <CURRENT-LIABILITIES> 3,158,900 <BONDS> 1,147,600 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,000 <OTHER-SE> 1,559,800 <TOTAL-LIABILITY-AND-EQUITY> 6,301,100 <SALES> 5,870,900 <TOTAL-REVENUES> 5,870,900 <CGS> 5,468,600 <TOTAL-COSTS> 5,798,800 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 3,400 <INTEREST-EXPENSE> 28,000 <INCOME-PRETAX> 72,100 <INCOME-TAX> 28,400 <INCOME-CONTINUING> 42,100 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 42,100 <EPS-PRIMARY> .45 <EPS-DILUTED> .43