Here are some home remedies:
1: Cold & Cough:
a: Take three or four black cardammoms, bake them. Take out the seeds and grind them in to powder.Then take one tea spoon of ginger juice. Now take two tea spoons of honey in a small bowl. Mix ginger juice, cardammom powder and honey . Mix all the ingredients well .Give half spoon of this paste, 2 or 3 times a day to you baby.

b: Take a pan (betel) leaf and mustard oil. Apply some oil on the leaf and heat this leaf on a hot plate. Don't heat too much. Now put this leaf on the baby's chest. Secure the leaf by a gauze bandage. Repeat this treatment 2 or 3 times a day. It will melt the cough in the baby's lungs.

c: Extract the juice from a dozen tulsi leaves. Mix the juice with honey or jaggery. Give it to your baby four times a day.

d: If the cough is very troublesome mix equal parts of honey, lime juice and brandy. Give half teaspoon of this mixture to your baby four times a day.

e: Extract 1 tsp each juice from fresh ginger, betel leaf and tulsi leaves. Add 1 tsp honey. Give 1 tsp 2 or 3 times a day.

f: Grate a few garlic cloves. Mix in some honey and give 1/2 tsp daily.

g:Grind ½ tsp saffron in milk (preferably human milk) and apply on nose, head, cheeks, etc.

Dry cough and throat infection:

a: Add ¼ tsp turmeric powder to hot cow's milk. Give this milk to your baby in the morning.

b: Boil 10-15 Tulsi leaves (Holy Basil) in water and give 1tsp 2-3 times a day to your baby.

2: Stomach ache:
For gas
a: Mix one tea spoon of asafoetida (hing) in two tea spoon of water or ghee. Boil the mixture. Cool the mixture till it is lukewarm. Apply on the baby's navel and stomach.

b: Mix nutmeg (jayphal) paste and honey. Give a few drops to the baby.
For constipation:

c: Give a glass of warm water with a teaspoon of honey in the morning to your baby.

d: Isabgol with water is very effective in relieving constipation
f: Mix equal quantities of mustard powder and rice flour. Add some water and boil until it reaches a paste- like consistency. Spread on a handkerchief and cover the affected part when bearably hot.

Stomach upset: Boil 10-15 Tulsi leaves (Holy Basil) in water and give 1tsp 2-3 times a day to your baby.
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3: When your child swallows some small object.

a: Give him a bowl of ghee or a few bananas. The object will come out easily with the stool.