---
kind: "section"
citation: "21 C.F.R. § 336.80"
title: "21"
number: "336.80"
heading: "Professional labeling."
url: "https://uscodex.org/cfr/21/336.80"
---

# §336.80. Professional labeling.


The labeling provided to health professionals (but not to the general public) may contain the following additional indications.

- (a) **For products containing cyclizine hydrochloride, dimenhydrinate, and diphenhydramine hydrochloride identified in § 336.10 (a), (b), and (c).** “For the treatment of vertigo of motion sickness.”
- (b) **For products containing meclizine hydrochloride identified in § 336.10(d).** “For the treatment of vertigo.”

## Notes

### Authority

Authority: 21 U.S.C. 321, 351, 352, 353, 355, 360, 371.

### Source

Source: 52 FR 15892, Apr. 30, 1987, unless otherwise noted.