Sedating antihistimine constipation

07 Sep

Additional administration of epinephrine, often in the form of an autoinjector (Epi-pen), is required by people with such hypersensitivities.

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Unlike the allergy medications Claritin, Zyrtec or Allegra, this medication blocks histamine receptors in the brain.

Once the mast cell-antibody-antigen complex is formed, a complex series of events occurs that eventually leads to cell degranulation and the release of histamine (and other chemical mediators) from the mast cell or basophil.

Once released, the histamine can react with local or widespread tissues through histamine receptors.

Many people find the worst symptom of their eczema is severe itching.

Scratching relieves the itch, but also makes the inflammation and the itching worse because it causes more inflammatory substances to be released within the skin.