Doctor insights on:
Antihistamine And Prostate
The prostate is a gland that lies at the base of the bladder and surrounding a segment of urethra. It secretes a milky fluid that is discharged by excretory ducts into the urethra during the emission of semen. It is clinically important because enlargement of the prostate with age, and prostate cancer are two common ...Read more
Not related...: Antihistamine can decrease bladder contracting ability so its use in the elderly may make some developing urinary retention. Such situation mislead some people to think antihistamine makes prostate enlarged, that is, not true, but further impairing bladder ability to squeeze urine out of bladder through the already narrowing prostate urethra. ...Read more
Yes: Some antihistamines have been implicated in cases of urinary retention in men. A large prostate is per se a risk, and certain medications can precipitate this problem. However, the most potent risk is from decongestants like sudafed and phenylephrine which constrict the bladder neck and are often combined with antihistamine. Nonsedating medications like Claritin (loratadine) should carry less risk by itself. ...Read moreSee 1 more doctor answer
Is it bad to take an antihistamine during a cold, i.e. does suppressing mucus make the cold last longer?
No value: Antihistamines have no value in the treatment of viral illnesses. ...Read more
Older ones do: First generation antihistamines (benadryl, clor-pheramine, atarax) cross the blood brain barrier and cause lethargy. Second generation (allegra, claritin, zyrtec, xyzal, (levocetirizine) clarinex) cause the blood brain barrier at a much lesser amount and more targeted to the h1 receptor. ...Read more