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ZYNCOF

Dosage form
SYRUP
Labeler
Kramer Novis
Label updated
2025-11-13
Retrieved
2026-09-07
Active ingredients
DEXTROMETHORPHAN HYDROBROMIDE · GUAIFENESIN
View original label and images on DailyMed ↗
Drug Facts

Active ingredients (in each 5 mL, 1 teaspoon)

Dextromethorphan HBr, 20 mg
Guaifenesin, 400 mg

Purposes

Cough suppressant
Expectorant

Uses

• temporarily relieves cough due to minor throat and bronchial irritation as may occur with a cold • helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes

Warnings

• Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.

​Ask a doctor before use if you have • ​cough that occurs with too much phelgm (mucus) • cough that lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis or emphysema.

​When using this product, do not use more than directed. 

Stop use and ask a doctor if cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These could be signs of a serious condition.

If pregnant or breast-feeding, ask a health professional before use.

Label information

​Keep out of reach of children. ​In case of overdose, get medical help or contact a Poison Control Center right away.

Directions

• do not take more than 6 doses in any 24-hour period. • mL=milliliter

 age  dose
 Adults and children 12 years of age and over  1 teaspoon (5 mL) every 4 hours
 Children under 12 years of age  do not use 

Other information

• Tamper evident feature: Do not use if printed security seal is torn, broken or missing. • Store at controlled room temperature 15-30°C (59-86°F) • Avoid excessive heat or humidity.

Inactive ingredients

citric acid, eucalyptus oil, flavors, glycerin, menthol, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sucralose

Questions or comments?

1-787-767-2072
You may also report serious side effects to this phone number. Call weekdays from 8AM to 4PM AST

Label information

Kramer Novis Pharmaceuticals within reach of patients

  • NO SUGAR  
  •  NO ALCOHOL • NO DYE  
  •  NO SACCHARIN • NO ASPARTAME

Specially formulated for patients with High Blood Pressure

Decongestant Free

COUGH SUPPRESSANT

Dextromethorphan HBr
​EXPECTORANT

Guaifenesin

Grape Flavor

Manufactured in USA with imported ingredients for Kramer Novis

San Juan, PR 00917

www.kramernovis.com 

Label information

Directions: (The following changes were made)

  • mL=milliliter
  • A table was included with the dosage instructions according to age:
age dose
Adults and children 12 years of age and over 1 teaspoon (5mL) every 4 hours
Children under 12 years of age do not use

Packaging

[Image in the official label — see DailyMed source]

DailyMed Set ID: cffd6d5f-0cb2-4d38-bdb0-6a21120418cc · Version 6
NDC: 52083-400