How long before allergies start should you start taking your med’s?

February 15, 2010 by admin  
Filed under Allergies

I have been prescribed allegra and I am wondering if you have to start taking it before your allergies start?

The standard rule of thumb for long-acting H1 blockers is a minimum of 30 minutes prior to anticipated allergen exposure. This allows time for the medication to enter the digestive system and begin distributed systemically through the tissues. Ideal time frames would be on the order of 60 minutes.

Long-acting medications such as this are most effective if they are in already in place, blocking the H1 receptor, prior to histamine release (antigen exposure). They do not compete as well once histamine has been released, compared to medications like Benadryl, which is used to counteract conditions like anaphylactic shock.

Comments

3 Responses to “How long before allergies start should you start taking your med’s?”
  1. TREBOR. says:

    take honey for get the meds, google how honey works for allergies, and local honey is the best.
    References :

  2. intelex says:

    The standard rule of thumb for long-acting H1 blockers is a minimum of 30 minutes prior to anticipated allergen exposure. This allows time for the medication to enter the digestive system and begin distributed systemically through the tissues. Ideal time frames would be on the order of 60 minutes.

    Long-acting medications such as this are most effective if they are in already in place, blocking the H1 receptor, prior to histamine release (antigen exposure). They do not compete as well once histamine has been released, compared to medications like Benadryl, which is used to counteract conditions like anaphylactic shock.
    References :
    BS in biochemistry, 1 year of graduate level immunology and medical mammalian physiology.

  3. Izzie says:

    You should only take them if there’s a huge concentration of allergy agents in the atmosphere, they usualy say it in the news.
    Don’t start taking meds at ease because they always damage your body one way or another.
    References :

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