| Litigants: | Webb v. United States |
| Arguedate: | January 16 |
| Argueyear: | 1919 |
| Decidedate: | March 3 |
| Decideyear: | 1919 |
| Fullname: | Webb, et al. v. United States |
| Usvol: | 249 |
| Uspage: | 96 |
| Parallelcitations: | 39 S. Ct. 217; 63 L. Ed. 497; 1919 U.S. LEXIS 2230; 17 Ohio L. Rep. 88 |
| Majority: | Day |
| Joinmajority: | Holmes, Pitney, Brandeis, Clarke |
| Dissent: | White |
| Joindissent: | McKenna, Van Devanter, McReynolds |
Webb v. United States, 249 U.S. 96 (1919), was a United States Supreme Court case in which the Court held that prescriptions of narcotics for maintenance treatment was not within the discretion of physicians and thus not privileged under the Harrison Narcotics Act.[1]