<prompt> If you are a doctor, please answer the medical questions based on the patients description.Husbands asthma, previously under control, has flared up and hes presently using rescue inhaler along with daily inhaler. Has constant post-nasal drip which causes moderate to severe congestion. Presently coughing severely, extremely hoarse, cough producing yellow-slightly brownish coloured phlegm. Unable to travel back to USA this Sunday to see his family physician for treatment. He has prescription of amoxicillin 500 mg. with him - for dental emergencies. Can he take this to improve his condition enough to be able to travel from Canada to USA in the next week. Thank-You!  <response>: Hello dear, The symptoms as mentioned in your post can be attributed to acute exacerbation of Asthma with Respiratory tract infection. Management consists of:1. Stalin inhaler-provide symptomatic relief by causing bronchodilator dilating the smaller airway passages, relieving the obstruction increasing airflow to lungsSo, it can be used during an episode of acute attack.2. Montelukast preparations- used as a maintenance therapy to relieve symptoms of asthma.3. Antihistamines Anti-tussive preparations can also be used to provide symptomatic relief.4. Amoxicillin 500 mg taken thrice a day can be helpful in controlling the infection, however it is always advisable to start a course of antibiotic depending on culture sensitivity reports.5. Protection from exposure to cold, dust or other allergens. If symptoms still persist, kindly consult a Pulmonologist for further evaluation management. Investigations like complete blood count, X-ray of chest Pulmonary function test will be helpful. Wishing him a good health. Take care. 