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does singular contain antihistimine

A 32-year-old male asked:
Dr. Bahman Omrani
17 years experience Pain Management
"Mad as a hatter": You may be sensitive to the anti-cholinergic side effects of anti-histamines.

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A 24-year-old male asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
Xyzal (levocetirizine): Although there are many causes for reduced libido, xyzal (levocetirizine) can potentially cause fatigue and sedation in a small % of people leading to ... Read More
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1 thank
A 35-year-old member asked:
Dr. Andrew Murphy
29 years experience Allergy and Immunology
Day or so: Medications that last for 4 hours or so are probably completely gone with a day or so.
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1 comment
A 23-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
Yes: It tells me that this is a risky behavior and likely a suicidal attempt. Call the psychiatrist or the suicide hotline.
A 36-year-old member asked:
Dr. Julian Goldman
36 years experience Anesthesiology
The newer ones: Antihistamines can cause sedation by entering the brain's tissue and binding to h1 receptors. (called "crossing the blood brain barrier".) that effect ... Read More
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5 thanks
A 39-year-old member asked:
Dr. Alex Martinez
Specializes in Allergy
A few: Antihistamines have been around for many years & many that used to be prescription are now available over-the-counter. A few antihistamines are still ... Read More
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2 comments
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A 51-year-old female asked:
Dr. Sudhir Gadh
18 years experience Psychiatry
Some are, yes.: Looking at receptor inhibition profiles (lab data) we can see that some do indeed block histamine receptors. Older ones in the tca class (elavil, ana ... Read More
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5 thanks
A 59-year-old male asked:
Dr. Ladislav Volicer
62 years experience Geriatric Psychiatry
With what?: If you are thinking about drinking alcohol, do not do it. Antihistamines might potentiate the effect of alcohol.
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2 thanks
A 34-year-old member asked:
Dr. Michael Zacharisen
33 years experience Allergy and Immunology
Many: New generation antihistamines (claritin, zyrtec, (cetirizine) allegra) will decrease itching, runny nose and sneezing associated with allergies. They ... Read More
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1 thank
A 23-year-old male asked:
Dr. Nayla Mumneh
29 years experience Allergy and Immunology
Unlikely: Please define your symptoms from the medications. Theoretically someone can be reacting to a coating on the tablets, but rarely do people react to ant ... Read More

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