Ambroxol 
Uses
How it Works
Common Side effects
Patients who take Ambroxol may suffer from such side effects;
Headache
Digestive upset
Dry feeling inside the mouth
Discomfort affecting the throat
Feelings of fatigue or somnolence
Constipation,
Diarrhoea,
Difficulty in urination,
Heartburn,
Itching,
Nausea,
Rash
Phenylephrine
Uses
How it Works
Common Side effects
Patients who take Phenylephrine may suffer from such side effects;
Nausea,
Vomiting,
Headache,
Palpitations,
Increased blood pressure,
Increased heart rate,
Irregular Heart beat
Dextromethorphan
Uses
How it Works
Common Side effects
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.
Chlorpheniramine maleate
Uses
How it Works
Common Side effects
Patients who take Chlorpheniramine maleate may suffer from such side effects;
Drowsiness,
Dizziness,
Nausea,
Stomach pain,
Constipation,
Blurred vision,
Dry mouth/nose/throat
Menthol
Uses
How it Works
Common Side effects
Some of the potential side effects of Menthol can include the symptoms below;
Balance disorder,
Vomiting,
Altered heart rate,
Drowsiness,
Hypersensitivity reaction,
Nausea,
Abdominal pain,
Contact dermatitis,
Skin irritation,
Apnea,
Nystagmus,
Vertigo