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Allegra Non Sedating Antihistamine
Whats the difference between a first generation antihistamine like chlorpheniramine and second generation antihistamines like allegra?
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
What is good otc antihistamine to take for someone have asthma..I take clarity sometimes but it makes me drowsy and sleepy..is allegra better?
What if I am concerned my hives are caused by an antihistamine in the first place? I.E. Zyrtec and allegra
Can antihistamines make my hypoglycemia worse? Seems like i'm having more low blood sugar occurrences while on Claritin or allegra.
Allegra: I don't think so. If you really observe hypoglycemia when taking antihistamine then make you sure you eat 3 times a day, eat fruits between meal and just before your meal. Symptomatic hypoglycemia usually occur when blood sugar <80. We like to keep it above than 100. Symptom could include irritability, dizziness, sweating, weakness, confusion, passing out or death. ...Read moreSee 1 more doctor answer
If allergic to 1 antihistamine, am i allergc to all? Have seen a few hives after benadryl, xyzal, & now allegra. Coincidence or true allergy?
PROBABLY COINCIDENT: It is not possible to be allergic to all antihistamines and these are all different componds you listed.Benadryl, xyzal and allegra.I will like to know what you call allergy, what are the symptoms and what kind of rash if any with these three antihistamine. It is possible but this kind of allergy will be considered rare consult your doctor who treated your allergies in first place;may beallergist. ...Read moreSee 2 more doctor answers
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