Plz give me home remedy for cold my 5 month old...

What is the treatment of Cold ? 

•  Apply water compressors to lower the fever
• You can use Over the counter analgesics such as Cetal supp to lower the fever
• Nasal decongestants such as Normosal drops of Otrivin baby drops for nasal congestion
•  Provide your baby with enough food and milk as Breast milk offers protection from cold-causing organisms.
• Nasal Suction for any secretions 
• You need to go to the nearest medical center if you baby suffer from

1. High grade fever
2. Worsening of symptoms
3. Prouctive cough
4. Irritability
5. Fast or difficulty breathing 

What are the tests needed for cold symptoms ?

• Clinical assessment in the nearest medical center .
• Complet blood count
• Chest X-ray