It is best not to give Mucolite (ambroxol) drops to your 7-month-old without a pediatrician's direct prescription, as cough medicines are generally not recommended for infants. For a runny nose and cough, using saline nasal drops and gently clearing his nose can provide great relief. Keeping him well-hydrated with breast milk or formula is also very helpful. Please consult your pediatrician for a proper evaluation to ensure he gets the safest care.

It is quite common for a cough and stuffy nose to last 7 to 10 days in babies. It is normal to still see symptoms after four days of Sinerest AF (phenylephrine/chlorpheniramine) and Mucolite (ambroxol), as these medications manage symptoms rather than cure the cold instantly. To help her stay comfortable, keep her well-hydrated and consider using saline nasal drops to ease her congestion. Please continue monitoring her closely. If she develops a high fever, has trouble breathing, or seems unusually sleepy, please contact her pediatrician immediately for a follow-up.

Generally, cold syrups like Mucolite (ambroxol) and Sinerest AF should not be given for more than 3 to 5 days without a doctor's review. Montair LC (montelukast and levocetirizine) is sometimes used longer, but because your baby is 11 months old, it is safest to avoid continuing these medications without a pediatrician's direct guidance. If her cough and stuffy nose persist, or if you notice rapid breathing, fever, or poor feeding, please have her evaluated by her pediatrician right away to ensure she gets the right care.

Severe lung congestion should not be managed with self-medication because the correct treatment depends entirely on identifying the underlying cause, which can range from respiratory infections such as bronchitis and pneumonia to chronic conditions like asthma, COPD, or even heart-related conditions. A proper clinical evaluation with diagnostic tests, such as chest X-rays, blood work, or oxygen level monitoring, is necessary to determine whether targeted prescription treatments, such as antibiotics, antivirals, or therapeutic inhalers, are required. Because you have described your congestion as severe, please seek professional medical attention immediately so a doctor can safely examine your lungs. If you are experiencing critical warning signs like extreme difficulty breathing, chest pain, a high fever, or bluish lips, you must go to the nearest emergency room or call for urgent medical help right away.

Given her symptoms, sinus findings, and the lung hyperinflation on X-ray, we should consider cough-variant asthma or reactive airway disease, often flared by sinus inflammation. Since antihistamines and mucolytics aren't helping, the next best step is a pediatrician visit. They may suggest a trial of inhaled bronchodilators or low-dose inhaled corticosteroids to help her airways relax, alongside managing the sinus issue.

To ease chest congestion, try inhaling steam and drink plenty of warm fluids, such as water or lemon with honey. An over-the-counter expectorant containing guaifenesin may help to thin the mucus and make your cough more productive. If your symptoms worsen or the cough lasts more than a week, consult your doctor promptly.