Doctor insights on:
Long Acting Antihistamines
Can my body start acting diffrent after taking a certain amount of Benadryl (diphenhydramine) for months ?
Benadryl (diphenhydramine): It is not clear to me what you mean by "acting different". what are you experiencing? ...Read more
Are there any immediate acting allergy medications I can take other than Benadryl (diphenhydramine)?
Am taking 24hr alegra but my allergies still act up at night, so I take a Benadryl (diphenhydramine) at night too?
I wanted to know I took benadryl (diphenhydramine) because my allergies are acting up and I'm stuffed up, i have a cough, I'm weeding because my asthma as well. Is it o?
Probably not: I presume you are asking whether it is ok to do some weeding when your nose is stuffed up and your asthma is not controlled. In general , the answer would be no since you are likely allergic to weed pollen and molds from the disturbed soil. It is also important for you to call your doctor about your asthma. Benadryl (diphenhydramine) or any other antihistamine has no decongesting action, nasal steroid does. ...Read more
Just took 25 mg of Benadryl (diphenhydramine) will that counter-act/ make my Prozac and klonopin that I took earlier not effective?
My doctor prescribed me trazodone 100 mg for sleep and I am now experiencing pins and needles all over. I took 4 Benadryl (diphenhydramine) to counter act.
Oversedating: It is not a good idea to combine sedating medications. The trazadone was given to help you sleep and taking additional 4 Benadryl (diphenhydramine) which I assume is 100mg will add too much extra sedation on top. If the side effects of trazadone are bothersome I recommend discussing other options with your doctor instead of taking a lot of other medications to mask symptoms. ...Read more
Having eye surgery in two days. I have allergies and take Benadryl (diphenhydramine) or Zyrtec when the act up. Can I still take them 24 - 48 hrs before surgery?
Is taking antihistamine everyday bad for you in the long term? Will my immune system get impaired?
No and no.: There are no known longterm sequellae from antihistamines. I would stick with the long-acting, non-sedating ones, such as Allegra and Claritin, (loratadine) since the short-acting ones can make you drowsy. Antihistamines do not affect the immune system in any measurable way. ...Read more
What amount of does take to get high off of diphenhydramine hci/antihistamine and how long does it take to kick in?
I have been congested for 10 days -- much longer than a regular cold. Antihistamines help a little. What else can I try?
Still a cold: A viral upper respiratory infection may last up to 2 weeks, although usually it lasts less. Beyond 2 weeks symptoms may suggest allergy or complicating sinus infection. Antihistamines don't work well for colds. You may try nasal irrigation with saline, even a nasal decongestant such as oxymetazoline (afrin) for no more than five days. If no better then, see a physician. ...Read more
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