# RYTHMOL SR
> **NDA021416** · New Drug Application · Sponsor: GLAXOSMITHKLINE LLC · Approved 2003-09-04
## Drug
- **FDA Application Number:** NDA021416
- **Application type:** New Drug Application
- **Brand name:** RYTHMOL SR
- **Generic name:** Propafenone Hydrochloride
- **Active ingredients:** PROPAFENONE HYDROCHLORIDE
- **Dosage form:** CAPSULE, EXTENDED RELEASE
- **Route:** ORAL
- **Marketing status:** Discontinued
- **Sponsor:** GLAXOSMITHKLINE LLC
- **First approval:** 2003-09-04
## Source
- [Drugs@FDA application overview](https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=021416)
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