

![]() |
You can use nasal decongestants or antihistamines before altitude changes. Try to avoid altitude changes while you have an upper respiratory infection or allergy attack.
|
|
|
Antihistamines are drugs that block the action of histamine (a compound released in allergic inflammatory reactions) at the H 1 receptor sites, responsible for immediate hypersensitivity reactions such as sneezing and itching. Members of this clas...
|
|
Antihistamines are drugs used to treat the symptoms of allergies and allergic rhinitis by blocking the action of histamine, a chemical released by the immune system in allergic reactions.
|
|
|
Antihistamines are drugs that block the action of histamine (a compound released in allergic inflammatory reactions) at the H 1 receptor sites, responsible for immediate hypersensitivity reactions such as sneezing and itching . Members of this cla...
|
|
Decongestants are medicines used to relieve nasal congestion (stuffy nose).
|
|
Decongestants are medicines used to relieve nasal congestion (stuffy nose).
|


