Cofdex Syrup, Ammonium Chloride/ Bromhexine/ Dextromethorphan/ Menthol

Dextromethorphan is used in the treatment of dry cough.

Dextromethorphan is known as a cough suppressant, Dextromethorphan works by affecting the signals in the brain that trigger cough reflex.

Some of the potential side effects of Dextromethorphan can include the symptoms below;

Sedation,
Sleepiness,
Weakness,
Dehydration,
Dizziness,
Lightheadedness,
Headache,
Sweating,
Anemia,
Fatigue,
Vomiting,
Nausea,
Edema,
Constipation,
Dry mouth.

Ammonium Chloride is used in the treatment of cough with the presence of mucus.

Ammonium chloride works by decreasing the stickiness of airway mucus secretions and helps in their removal of the mucus from the airways.

Some of the potential side effects of Ammonium Chloride include the symptoms below;

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

Bromhexine is used in the treatment of cough.

Bromhexine works by thinning and loosening the sticky mucus secretions in the nasal passageway, making it easier to cough the mucus out and treating the cough.

Some of the potential side effects of Bromhexine include the symptoms below;

Irritation of ear,
Allergic skin rash,
Dizziness,
Headache