<ARTICLE> 5
<RESTATED>
<CIK> 0000927653
<NAME> MCKESSON
<MULTIPLIER> 1,000
                                                 
<PERIOD-TYPE>                             3-MOS           6-MOS        9-MOS
<FISCAL-YEAR-END>                         MAR-31-1998     MAR-31-1998  MAR-31-1998
<PERIOD-START>                            APR-01-1997     APR-01-1997  APR-01-1997
<PERIOD-END>                              JUN-30-1997     SEP-30-1997  DEC-31-1997
<CASH>                                         76,800          79,300       71,000
<SECURITIES>                                   95,900          97,000       98,000
<RECEIVABLES>                               1,294,300       1,398,000    1,594,400
<ALLOWANCES>                                   46,300          65,200       73,900
<INVENTORY>                                 2,116,900       2,214,900    2,358,100
<CURRENT-ASSETS>                            3,588,200       3,777,400    4,108,300
<PP&E>                                        796,100         810,800      828,700
<DEPRECIATION>                                418,400         425,100      432,200
<TOTAL-ASSETS>                              5,018,100       5,235,500    5,584,200
<CURRENT-LIABILITIES>                       2,463,400       2,656,200    2,862,600
<BONDS>                                       807,700         806,100      918,100
<PREFERRED-MANDATORY>                               0               0            0
<PREFERRED>                                         0               0            0
<COMMON>                                          800             800          900
<OTHER-SE>                                  1,294,400       1,330,700    1,364,300
<TOTAL-LIABILITY-AND-EQUITY>                5,018,100       5,235,500    5,584,200
<SALES>                                     4,975,500      10,122,600   15,496,100
<TOTAL-REVENUES>                            4,975,500      10,122,600   15,496,100
<CGS>                                       4,610,700       9,390,100   14,386,600
<TOTAL-COSTS>                               4,912,300       9,993,100   15,297,900
<OTHER-EXPENSES>                                    0               0            0
<LOSS-PROVISION>                                2,800           4,700        5,800
<INTEREST-EXPENSE>                             23,100          48,100       74,800
<INCOME-PRETAX>                                63,200         129,500      198,200
<INCOME-TAX>                                   24,000          49,200       74,300
<INCOME-CONTINUING>                            37,600          77,200      119,200
<DISCONTINUED>                                      0               0            0
<EXTRAORDINARY>                                     0               0            0
<CHANGES>                                           0               0            0
<NET-INCOME>                                   37,600          77,200      119,200
<EPS-PRIMARY>                                    0.39            0.85         1.30
<EPS-DILUTED>                                    0.39            0.80         1.23