Cough Syrup

Each 5 ml contains

  • Diphenhydramine 14.08 mg
  • Ammonium Chloride 138 mg
  • Sodium citrate 57.30mg
  • Menthol 0.5 mg


The combination is an antitusive and expectorant cough mixture.

Ammonium chloride is an acidifying agent; it increases acidity by increasing free hydrogen ion concentration. It is used in patients with metabolic alkalosis as a result of chloride loss after vomiting, gastric suction, gastric fistula drainage and pyloric stenosis. It has also been used in the treatment of diuretic-induced chloride depletion and alkalosis resulting from excessive use of alkalinising drugs

Diphenhydramine blocks histamine H1-receptors on effector cells of the GI tract, blood vessels and respiratory tract. It also causes sedation and has some anticholinergic action.

Sodium citrate is a mucolytic,an agent which breaks down mucus so that coughing up plegm is easier and menthol is an expectorant.


  • Colds
  • Hayfever
  • Sneezing
  • Coughing
  • Itchy and watery red eyes
  • Runny or blocked nose


As directed by physician.


Contraindicated in patients with known hypersensitivity towards any of the ingredients in the product.


  • Caution is advised in the elderly as adverse effects may be more likely.
  • This medication should be avoided as it may cause extreme sedation.
  • Avoid concomitant use of alcohol with this medication.


Dry mouth, dizziness, headache, nausea and vomiting, gastrointestinal discomfort.


Potential risk to the fetus has been reported .Consult the physician before use. It is unknown how this medication affect breast feeding baby, consult the physician before use.


PENTUSS is available as syrup. The total content in each bottle is 100 ml.


The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education, does not create any patient-physician relationship, and should not be used as a substitute for professional diagnosis and treatment. Please note it is dangerous to take any medication without doctor’s prescription or professional advice from a registered health practitioner. Always follow the instructions of physician / doctor / registered medical practitioner before using any medicine. Do not exceed the recommended dosage. Keep all medicines away from your children. Store as recommended. Please consult your health care provider, before making any healthcare decisions or for guidance about a specific medical condition. The allopathic medicine as per the law in India must be sold by retail pharmacies holding valid trading drug license only.