hi my baby is 3 and half years old.he is suffering from cold ,cough and fever.doctar prescribed kufril LS for cough and maxtra for cold.and one more antibiotic clamp kid forte.i am confused can I give kufril and maxtra together because kufril also works for cold.should I continue both.how much quantity of kufril LS I should give him.his weight is 11 kg.