Rugby Mucus and Chest Congestion 541

Manufacturer: Rugby Laboratories | Guardian Drug Company
Effective date: 2026-05-04
Label type: Human OTC Drug Label
Version: 2
Source: full-release
Hydrated at: 2026-06-01 01:55:56

Label at a glance#

ProductRugby Mucus and Chest Congestion 541

Active ingredientGUAIFENESIN

Label structure13 sections

Dosage and administration

shake well before using do not take more than 6 doses in any 24-hour period measure only with dosing cup provided keep dosing cup with product ml=milliliter this adult product is not intended for use in children under 12 years of age Age Dose adults & children 12 years & over 10 mL to 20 mL every 4 hours children under 12 years ask a doctor

Contacts and useful links#

PhoneLabel contact1-609-860-2600

Label contents#

Full prescribing information#

ACTIVE INGREDIENT(S)

OTC - ACTIVE INGREDIENT SECTION

Guaifenesin, USP 200 mg

PURPOSE

OTC - PURPOSE SECTION

Expectorant

USE(S)

INDICATIONS & USAGE SECTION

helps loosen phlegm(mucus) and thin bronchial secretions to drain bronchial tubes

WARNINGS

WARNINGS SECTION

ASK A DOCTOR BEFORE USE IF

OTC - ASK DOCTOR SECTION

cough that occurs with too much phlegm(mucus)
cough that lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis or emphysema

STOP USE AND ASK DOCTOR IF

OTC - STOP USE SECTION

cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache.

IF PREGNANT OR BREAST-FEEDING,

OTC - PREGNANCY OR BREAST FEEDING SECTION

ask a health professional before use.

KEEP OUT OF REACH OF CHILDREN

OTC - KEEP OUT OF REACH OF CHILDREN SECTION

In case of overdose, get medical help or contact a Poison Control Center right away.

DIRECTIONS

DOSAGE & ADMINISTRATION SECTION

shake well before using

do not take more than 6 doses in any 24-hour period

measure only with dosing cup provided

keep dosing cup with product

ml=milliliter

this adult product is not intended for use in children under 12 years of age

Age	Dose
adults & children 12 years & over	10 mL to 20 mL every 4 hours
children under 12 years	ask a doctor

OTHER INFORMATION

OTHER SAFETY INFORMATION

each 10 mL contains: sodium 12 mg
store at 20-25^oC(68-77^oF)
protect from light

INACTIVE INGRADIENTS

INACTIVE INGREDIENT SECTION

caramel color, citric acid anhydrous, FD&C red# 40 dye, flavor, glycerin, high fructose corn syrup, menthol, propylene glycol, purified water, saccharine sodium, sodium benzoate.

QUESTIONS OR COMMENTS?

OTC - QUESTIONS SECTION

1-609-860-2600

PRINCIPAL DISPLAY PANEL

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

NDC0536-1430-97

Rugby ®

Mucus & Chest Congestion

Guaifenesin 200 mg per 10 mL

Expectorant

Loosen and Relieves Chest Congestion

For Ages 12 & Over

Cherry Flavor

4FL OZ(118 mL)

541-4-carton.jpg

541-4-label.jpg

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	SPL version
1606850	guaiFENesin 200 MG in 10 mL Oral Suspension	PSN	2
1606850	guaifenesin 20 MG/ML Oral Suspension	SCD	2
1606850	guaifenesin 200 MG per 10 ML Oral Suspension	SY	2

DailyMed Pharmacologic Classes#

Class, Version, Type table
Class	Version	Type	Effective
GUAIFENESIN Pharmacologic Class Indexing	1	Indexing - Pharmacologic Class	20211129

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
4fe95224-f543-4dbb-9445-8cca122b48c8	Product name	1	20150609
e8718272-64cb-4436-969b-176c3067c8f4	Product name	1	20150609
106ff02a-57e1-4c4c-a307-fd582ff4e311	Product name	1	20150212

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	Strength	SPL version
0536-1430-97	Rugby Mucus and Chest Congestion 541	118 mL in 1 BOTTLE	LIQUID	118		2
0536-1430-97	Rugby Mucus and Chest Congestion 541	1 in 1 CARTON	LIQUID	1		2

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
0536-1430-97	ML - Milliliter	0536-1430	e1fb727b-b1a8-424b-bcba-60bec824392e	1	2024-06-10

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 12 matching rows.

Rugby Mucus and Chest Congestion 541
Guaifenesin
ANHYDROUS CITRIC ACID
FD&C RED NO. 40
GLYCERIN
MENTHOL
HIGH FRUCTOSE CORN SYRUP
PROPYLENE GLYCOL
WATER
SACCHARIN SODIUM
SODIUM BENZOATE
CARAMEL

NDC Codes#

Product NDC, Package NDC table
Product NDC	Package NDC
0536-1430	0536-1430-97

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 11 matching rows.

Name, UNII, Kind table
Name	UNII	Kind
GUAIFENESIN	495W7451VQ	ACTIB
ANHYDROUS CITRIC ACID	XF417D3PSL	IACT
FD&C RED NO. 40	WZB9127XOA	IACT
GLYCERIN	PDC6A3C0OX	IACT
MENTHOL	L7T10EIP3A	IACT
HIGH FRUCTOSE CORN SYRUP	XY6UN3QB6S	IACT
PROPYLENE GLYCOL	6DC9Q167V3	IACT
WATER	059QF0KO0R	IACT
SACCHARIN SODIUM	SB8ZUX40TY	IACT
SODIUM BENZOATE	OJ245FE5EU	IACT
CARAMEL	T9D99G2B1R	IACT

Source Document#

Source XML

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 1 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Rugby Mucus and Chest Congestion 541	GUAIFENESIN	Rugby Laboratories	76472912-b66f-4bb4-937a-4a589683a78c	2026-05-04	Warnings	Exact identifier ndc (package): 0536-1430-97 ndc (product): 0536-1430 ndc11 (package): 00536143097 spl id: 0c07f9eb-4c55-4786-a2d8-bfc588e6fa2f spl set id: 76472912-b66f-4bb4-937a-4a589683a78c

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.