Good Morning madam, Never mix medicines in milk, She will stop taking milk, Each Doctor has different ways to treat. I believe in minimum drugs. I believe in development of immunity. For time being give cetirizine syrup 1tsf whenever needed. Make Kadda (concoction) of water150ml+ Fresh crushed ginger +Whole Black Pepper3-4, Cloves 2-3+ Jaggary and boil it to contrate to 100ml. Cool it and serve it warm 2 time a day. Give Vitamin C 500mg chewable soluble tablet. The children like it. Please make it a habit .You can serve Hot milk with Turmeric,. n summary Sun bath, activity, good nutrition, Hygiene , immunization, and Healthy emotional environments will benefit every one. Never Abuse, or Shout, or argue in presence of Your child. Encourage singing swimming, drawing, Music, Running and playing. They make your child healthy with lots of immunity. Take precaution against mosquito, to prevent Malara and Dengue. During this Pandemic of Covid , Stay at home safe and take all care

I suggest you try mixing the medicine with a little honey or with anything sweet and give. A change of medicine won't be required, as the medications you have mentioned will help reduce the cough.

You can give her Syrup Sinarest AF 2.5 ml three times a day for runny nose and sneezing Along with that, at Night time- Monticope syrup 5 ml will also be helpful to get some relief from cough and runny nose/ blocked nose. You can try different brand name for ambroxl syrup- like Syrup Ambrodyl LX for cough - 2.5 ml three times a day