Top answers from doctors based on your search:
what is the best time to take an antihistamine
A 33-year-old member asked:
42 years experience Physical Medicine and Rehabilitation
22: At bedtime.
49 years experience Internal Medicine
Any time: You can take antihistamines any time of the day.Take them same time of day everyday.
A 40-year-old member asked:
22 years experience Pediatric Allergy
It depends: It depends on the antihistamine and when you are exposed to the cause for your allergies. Antihistamine pills generally take at least 30 minutes to t ... Read More
A 40-year-old member asked:
30 years experience Pediatric Allergy and Asthma
Depends: Most people respond best to zyrtec or xyzal, (levocetirizine) as long as they don't get drowsy with them. Everybody reacts differently to different an ... Read More
49 years experience Allergy and Immunology
Cetirizine (Zyrtec): In scientific trials Cetirizine has been shown to be the most effective 2nd generation/minimally sedating antihistamine. A 10 mg tab once a day is abo ... Read More
A 34-year-old male asked:
Specializes in Internal Medicine
NONE : Antihistamines will increase mucous viscosity. Increasing fluid intake and use of guafenisen will decrease mucous viscosity.
A 34-year-old member asked:
44 years experience Allergy and Immunology
Poorly studied: There are very few unbiased studies looking at herbal therapies for allergies. A review article on this subject felt that the use of butterbur may be ... Read More
A 51-year-old female asked:
10 years experience Allergy and Immunology
Have you been seen?: This is an urgent situation. Hopefully, you have been seen by a physician. If not, proceed to the ER if the swelling involves the mouth (potential f ... Read More
A 28-year-old male asked:
Specializes in Family Medicine
Take oral meds: Topical antihistamine will not work . Suggest oral daily non sedating antihistamines and avoidance. Will need to speak to your housemate .
A 44-year-old member asked:
57 years experience Internal Medicine
OTC antihistamines: The second generation zyrtec, allergra or Claritin (loratadine) are comparative. None are perfect. Zyrtec is slightly more likely to make you tired ot ... Read More
A 38-year-old member asked:
33 years experience Allergy and Immunology
New generation ones: The new generation antihistamines include Claritin, Zyrtec, Allegra and Xyzal (levocetirizine). These are as effective as older antihistamines (Benad ... Read More
A 31-year-old member asked:
29 years experience Internal Medicine
Unclear: Different antihistamines have different potencies. 10 mg of Zyrtec is equivalent to 180mg of Allegra (fexofenadine). Mg doseage as in all medicines ... Read More
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