<human>: I plan to travel to Leh Laddakh in INDIA on 28 th may, my son who is 11 yrs of age sometimes suffers fro asthamalike condition triggered due to certain foods like cheese , maggi ,  eggs etc and only under damp cloudy conditions . Presently it is summer in PUNE -INDIA where I reside and the child is asymptomatic since last 2 months and not on any medication or inhaler . Please advise the precautions that i need to take to keep him symptom free on this trip.
<bot>: Hello, Thank you for asking at Chat Doctor. I would like to make suggestions for your son as follows:1. It is good that he does not require any inhaler or medication at present.2. I would suggest you to take rescue inhalers (albuterol), antihistamines (cetirizine/levocetirizine/fexofenadine), montelukast and oral corticosteroids (prednisolone) with you.3. Please see your pediatrician before starting for Leh-Ladakh. Please ask him for action plan for asthma symptoms - how to recognize an asthma attack, which Chat Doctor. 4. Going to Leh-Ladakh can make effects on your children health in multiple ways: a. Low oxygen levels generally would not cause problem to a normal 11-year boy, but should he have an attack of asthma, low oxygen concentration could make the attack more severe.b. Change in environment and exposure to cold air are potential triggers for asthma attacks.c. A rapid ascent to high altitude can cause changes in lung physiology and may precipitate pulmonary edema (in any normal individual, no relation with asthma). Symptoms of pulmonary edema should be differentiated from those of an asthma attack.5. You can observe following precautions:a. Plan a gradual ascent by making frequent halts while traveling. You may plan a night-stay while ascent in between so that all the persons can acclimatize.b. Avoid exposure to 