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food interaction for SYNOM-DX

alcohol interaction for SYNOM-DX

pregnancy interaction for SYNOM-DX

lactation interaction for SYNOM-DX

There is no data available. Please consult doctor before consuming the drug.
Synom-dx syrup may cause excessive drowsiness and calmness with alcohol.
Synom-dx syrup may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.




Bromhexine is used to treat breathing difficulties caused by excessive mucus secretions in the air passages associated with respiratory tract infections.

How it works

Bromhexine belongs to the class of medications called as expectorants/mucolytic agents. It acts by thinning the mucus which facilitates expectoration and eases cough.

Common side effects

Irritation of ear, Allergic skin rash, Dizziness, Headache


Dextromethorphan is used to suppress dry coughs (coughs that do not produce phlegm or mucus).

How it works

Dextromethorphan belongs to class of drugs called antitussives. It works by decreasing activity in the part of the brain that causes coughing.

Common side effects

Nausea, Nervousness, Drowsiness, Dizziness, Lightheadedness, Restlessness, Stomach pain, Vomiting
Ammonium Chloride(NA)


Ammonium chloride is used for the relief of cough in the form of cough expectorant. It is also used as an injection to treat patients with hypochloremia and metabolic alkalosis. 

How it works

Ammonium chloride is an expectorant, which helps in bringing mucus out of the lungs and thereby relieves the cough. Ammonium chloride is used to maintain the acid-base balance in the body and thus is used to treat patients with hypochloremia and metabolic alkalosis. 

Common side effects

Facial swelling, Allergic reaction, Difficulty in swallowing, Sickness, Nausea, Stomach pain, Shortness of breath, Throat disorder


No substitutes found

Expert advice for SYNOM-DX

  • Tell your doctor if you have ever had or are suffering from stomach ulcer. You may not be prescribed Bromhexine as it can aggravate your problem.
  • Inform your doctor if you have any liver/kidney disease or asthma.
  • Tell your doctor if you are pregnant, planning to become pregnant or are breastfeeding.
  • Do not take if allergic to Bromhexine or any of its ingredients.

Frequently asked questions for SYNOM-DX


Q. Is Bromhexine an antihistamine?
No, Bromhexineis not an antihistamine.


Q. Is dextromethorphan a steroid/an opiate/an antihistamine/ a narcotic/an NSAID/a controlled substance/contain alcohol/have codeine?
Dextromethorphan is a decongestant and not a steroid, antihistamine, opiate, NSAID or narcotic, but can have addictive effects if taken at large doses than recommended. It does not contain codeine or alcohol. It is not a controlled substance.
Q. Does dextromethorphan work/ how much dextromethorphan can i take for cough?
Dextromethorphan works for most of the patient. It should be taken in amounts exactly as directed on the label, or as prescribed by your doctor. Cough medicine is usually taken only for a short time until your symptoms clear up. Do not use the medication in larger amounts, or use it for longer than recommended.
Q.  Is dextromethorphan safe/ does dextromethorphan makes you sleepy/make you tired/ raise blood sugar? 
Dextromethorphan causes mild sedation effect thus can make you feel sleepy. It does not raise blood sugar or make you tired. Dextromethorphan is generally safe if taken at recommended doses and duration. 
Q. Can i take dextromethorphan with high blood pressure/ safe for high blood pressure/ raise blood pressure/ thin blood?
Though it isn’t reported, but it should be used carefully in people with high blood pressure, as dextromethorphan may cause high blood pressure and the effectiveness of dextromethorphan is decreased by high blood pressure medications. 
Q. Can I take dextromethorphan with benzonatate/acetaminophen/codeine/ibuprofen/ diphenhydramine/pseudoephedrine/guaifenesin/Tamiflu/Benadryl?
Drug interaction with any of the above mentioned drugs is not documented, but it can occur. Always follow your doctor’s advice before taking any medicine with dextromethorphan.

Ammonium Chloride

Q. How does ammonium chloride work?
Ammonium chloride is used as an expectorant (helps in bringing mucus out of the lungs) thus helping in curing cough. Ammonium chloride is used to maintain the acid-base balance in the body and thus is used to treat patients with hypochloremia and metabolic alkalosis.
Q. Is ammonium chloride safe/ dangerous?
Anmmonium chloride is safe when taken for an indication and at a dose strictly instructed by your doctor.


Content on this page was last updated on 11 March, 2015, by Dr. Varun Gupta (MD Pharmacology)