I was given medicine after complaining of plough...

Dear Customer
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Regarding your question

Our advice :

• all antitussive medication contain antihistaminih .
• antihistaminic can cause drowsiness .
• so you will feel sleepy .

side effect of antitussive :

• drowsiness 
• headache 
• nusea 
• vomiting 
• sleepiness .

how antitussive works :

• it act on cough center in brain stem and inhibit it . 
• it also acts on peripheral cough receptor in bronchi and inhibits it .

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