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Can you tell me is it safe to take allegra (fexofenadine) (antihistamine) and a digestive enzyme together?
Whats the difference between a first generation antihistamine like chlorpheniramine and second generation antihistamines like allegra (fexofenadine)?
1st and second: First generation antihistamines are sedating and short acting and have usually other properties such as anticholinergic or drying properties. Second generation antihistamines are long aciting, usually dosed once a day, and are less or non sedating and selective antihistamines with less active properties on other receptors. ...Read moreSee 1 more doctor answer
Why are the mg dosage of antihistamines different? Allegra is 180mg , Claritin (loratadine) is 5mg , and zyrtec is 10mg.
My ent instructions is to take antihistamine everyday .allegra Zyrtec and Claritin expensive .is the equate brand from Walmart just as strong ?
Which antihistamine is more effective at treating the symptoms of hives? Benadyrl or Allegra (fexofenadine)?
What antihistamines give me 24hr protection? Allegra 180mg? Can I take Xyzal (levocetirizine) 5mg at night and Allegra 180mg morning? Topping up prove effective?
What if I am concerned my hives are caused by an antihistamine in the first place? I.E. Zyrtec and allegra (fexofenadine)
Zyrtec (cetirizine): Which drug is better fora specific patient cannot be predicted. I generally try zyrtec first because it does cannot claim not sedating. A little sedation helps alleve itching. Allegra, (fexofenadine) claritn, and Clarinex are allowed to claim no sedation. ...Read moreSee 1 more doctor answer