10 months baby cough runny nose may be allergies, bacterial infections, viral infections, etc., according to the specific causes of general treatment, medication and so on. 1. Allergy: 10 months baby cough and runny nose may be due to allergic reaction to pollen, animal hair, clothing, toys, etc. It is recommended to stay away from allergens, keep the indoor clean and hygienic, do not keep pets, do not eat allergic food, try to choose cotton soft clothes and so on. At the same time, you can use cetirizine drops and other anti-allergy drugs for treatment. 2. Bacterial infections: If a 10-month-old baby has a bacterial infection that can also lead to a cough and runny nose, antibiotic medications such as cefixime and amoxicillin are usually recommended for treatment. 3. Viral infections: 10-month-olds with viral infections can also show symptoms of coughing and runny nose, and usually do not need special medication. Daily attention to avoid cold, eat a light diet, not crowded places. If the 10-month-old baby cough and runny nose symptoms are serious, or has not been improved, it is recommended to go to the hospital in a timely manner, medication should be used under the guidance of a doctor.