Inclusion criteria:
The patients's age is two to twelve years old
Cough due to upper respiratory tract infection (common cold) for less than 7 days
Concomitant symptoms (mild fever: less than 39 ° C, sore throat, cramps, rhinorrhea, mild headache, feeling tired, sneezing
Do not use any anti-cough product 18 hours before the intervention
Lack of underlying disease (asthma, allergic rhinitis, sinusitis, laryngo tracheobronchitis, congenital heart disease, chronic lung disease, diabetes, kidney disease)
Conscious written consciously from parents to enter the study
Possibility of patient Follow up
Exclusion criteria:
Children with signs and symptoms of asthma, pneumonia, allergic rhinitis, sinusitis, laryngo tracheobronchitis, congenital heart disease, chronic lung disease, diabetes, kidney disease
The onset of symptoms of otitis, sinusitis, onset of symptoms of of the lower respiratory tract infection , the addition of a bacterial infection to the viral infection (edema, respiratory problem, severe sore throat with painful ingestion, nausea, vomiting, fever above 39 °, septic nasal discharge, Facial and peri orbital pain) during the intervention
Lack of allergy (presence of symptoms such as i itchy eye & nose, a history of prolonged cold periods,history of repeating similar symptoms, positive family history of allergy, history of drug and food allergy),
The presence of sign and symptoms of a Reactive Airway Disease including: tachypnea and tachycardia, short breath, chest tightness )
Getting any anti cough drug before intervention
Not using or using irregularly recommended medications
Add other cough drugs to treatment during the intervention
allergic reaction to drug combinations during the study
disrelish to cooperate until the end of the study
Inaccessibility of the patient during the study