Doctor insights on:
Benadryl Non Drowsy Formula
Please let me know if there is anything that contains the same ingredients that Benadryl (diphenhydramine) has but its non drowsy?
Antihistamine: Benadryl (diphenhydramine) is the first generation antihistamine that has anticholinergic property and crosses the blood-brain barrier causing drowsiness. Several other second generation antihistamine works well and does not cause drowsiness like zyrtec, allergra and claritin. ...Read more
Bitten by unknown insect. Redness and swelling to forarm. Marked with pen and doubled in size over 36hrs. Taking non drowsy antihistamines and icing?
Ice: Benadryl (or your choice of a non-sedating antihistamine such as Zyrtec, Claritin, or Allegra), ice, and ibuprofen is a good initial treatment for insect bites. Infection is a possible delayed complication. If you develop a boil, a discolored blister, fever, increasing pain, or other concerning signs, see a physician for an exam. ...Read more
Zyrtec (cetirizine) makes me very drowsy. Is this common and are there non-drowsy antihistamines that provide as effective allergy relief? Thanks
Yes: This is a common side effect of Zyrtec, but it is different for everyone. If Zyrtec makes you drowsy, you could try the other 2 common anti-histamines instead - Allegra or Claritin (loratadine). Some people have been drowsy with these medicines as well, but others have not. Best wishes. ...Read more
Enters the brain: The molecular structure of benedryl allows it to enter the brain where it can interfere with the chemicals that transfer messages between brain cells. In most people it causes drowsiness, in some it will cause the opposite. Newer antihistamines like loritadine & fexofinadine have molecular structures that prevent entry into the brain, so they don't make you drousy. ...Read more
Common effect: Benedryl is one of the most common products in over the counter sleep aids. It works quickly & well for allergies, but if you read the small print on most bottles it warns you of this effect. Occasionally some people get the opposite effect & get hyper on it, but that is far less common than the sedation. It actually enters your brain & messes with the neuro-transmitters. ...Read more
Four to six hours: The half life of Benadryl (diphenhydramine) is about four to six hours and usually the sedation will wear off within that time frame. As one continues to use it often a certain amount of tolerance develops and less sedation is appreciated. Studies have shown that its effect on brain function still continues despite less sedation. ...Read more
Benadryl (diphenhydramine): Most people it will last 8 hours or so but I have seen people who still feel groggy 12 hours later or more ...Read more
A few hours: Benadryl (diphenhydramine) is a short-acting medication, so I would expect it to go away within 4-6 hours in most people, although some people are just in general a lot more sensitive to it and experience drowsiness for a longer period. If you're having problems, you might get tablets or liquid and try taking half of what you usually take (half a tab or 1 tsp of liquid is 12.5 mg instead of 25 mg in a whole tab/cap. ...Read more
I took 1 25mg benadryl (diphenhydramine) nd I feel the effect but if I take 2 it makes me to drowsy I wanted to know if I can take half of 1?
Of course: Everyone responds to things differently. There is no "perfect" dose for everyone. Don't take a dose of anything that makes you feel worse. Adjust the dose to what works for you. Take the lowest effective dose. ...Read more
Hangover: So this depends on a lot of things. Typically I tell people between 12-18 hours if they are overall healthy (remember it is a medication that could be dosed every 6 hours!). Realistically may be more like 24+ hours especially if other medications are being used or someone is older. ...Read more
Someone told me to take Benadryl (diphenhydramine) for the itching but is it safe to takr with all the other meds. Am on that makes. Me drowsy?
Benadryl (diphenhydramine) makes me drowsy. If I take the recommended dose of Benadryl (diphenhydramine) allergy ultratabs (25mg) for my flight will that be okay?
Benadryl (diphenhydramine) for my three kids 8 9 and 4 when will they start to feel the effect of drowsiness. I will be giving them Benadryl (diphenhydramine) on the plane to help sleep?
Benedryl: Sedation will typically start 20-30 minutes after the dose. If giving a weight appropriate dose, it should be safe to give prior to the flight. However, some children have a paradoxical reaction to antihistamines, causing them to be hyperactive. You might want to think about that if you've never given your child Benedryl before. Have a great flight! ...Read more
No it does not: No there is not enough absorption to make you drowsy unless used in very large body surface area. ...Read more
If I take two tablets of Benadryl, (diphenhydramine) and two tablets of velerian root, will it just produce drowsiness? It won't harm / kill me?
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I took one benadryl (diphenhydramine) pill. Its been 8 hrs and I'm just now feeling very dizzy and drowsy. I don't normally get any side affects. How can I get rid of it?
Wait: You have to wait till effect of medicine wears out. There is nothing additional you need to do ...Read more
Can I take benadryl, (diphenhydramine) buspirone, and sertraline together? Before bed? I know it will probably increase drowsiness, I just want to make sure it's safe.
Not a good idea: It is usually not a good idea to take several medications with similar (but not identical) actions without a doctor's supervision. One may get away with it, but then why take a chance? ...Read more
Allegra (fexofenadine): If you are referring to over-the-counter antihistamines than Allegra (fexofenadine) is considered one of the most non-sedating on the market. Airline pilots can take this medication while flying so it has been proven to be non-sedating. Other non-sedating antihistamines include Zyrtec and Claritin (loratadine). ...Read more
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