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Doctor insights on: Take One Benydryl And Wait To Take Second

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How many hours after taking one benydryl can u take coricidine?

How many hours after taking one benydryl can u take coricidine?

Coricidin: Products contain an antihistamine which is "additive" to the side effects of Benadryl.....there is no advantage to taking both!

Hope this helps!
Dr Z ...Read more

Benadryl (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


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Can I take 4 benadryl (diphenhydramine) at one time?

Can I take 4 benadryl (diphenhydramine) at one time?

Not recommended: That is above the usual dose and will likely produce significant sleepiness. Even one might be a problem with driving. Furthermore, it is very unlikely to produce more benefit than the recommended dose (1, at most 2). ...Read more

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How much benadryl (diphenhydramine) can you take at one?

How much benadryl (diphenhydramine) can you take at one?

Benadryl (diphenhydramine): Mind you, you're already on other medications as mentioned in your profile, valium (diazepam) can interact with diphenhydramine (benadryl) and cause CNS depression or psychomotor impairment, be careful with multiple medications, read the labels well on OTC medicines ...Read more

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Is it ok to take 75 mg of Benadryl (diphenhydramine) at one time?

Is it ok to take 75 mg of Benadryl (diphenhydramine) at one time?

Benadryl (diphenhydramine): Unless otherwise advised by your doctor, yes it is. ...Read more

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How many Benadryl (diphenhydramine) pills can I take at one time?

Read label: You can take as many pills as directed by label as often as directed by label. Do not attempt to exceed amount or frequency. Be aware that even over-the-counter medications (and dietary supplements) can interact & even interfere w/prescription medications. So always tell your family physician (and other doctors) everything that you're taking whether prescribed or not. ...Read more

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Can one's body develop a resistance to Benadryl (diphenhydramine) if one takes it on a daily basis? Will the medicine eventually lose it's effectiveness as time passes?

Can one's body develop a resistance to Benadryl (diphenhydramine) if one takes it on a daily basis? Will the medicine eventually lose it's effectiveness as time passes?

Yes: All antihistamines can lose effectiveness. Most are over the counter now and i'd recommend switching to another family like allegra, claritin, (loratadine) or tavist. ...Read more

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Is it ok to take one 25MG Benadryl (diphenhydramine) for anxiety regularly?

OK but: There are better alternatives. Talk to your doctor. Benadryl (diphenhydramine) tends to make you just drowsy. ...Read more

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I took one Benadryl 2 hours ago can I take a dose of NyQuil?

I took one Benadryl 2 hours ago can I take a dose of NyQuil?

2 young 4 HealthTap: HealthTap docs are asked not to address questions posed by individuals under 16. As an aside, however, insomnia at your age deserves medical attention, not shotgun OTC agents. ...Read more

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Is it possible for me to take Benadryl (diphenhydramine) after having one drink?

Take with precaution: Depending on how much effects you get after one drink. If you are sensitive to alcohol and one drink already makes you sleepy, you should not take Benadryl (diphenhydramine) at that time. Otherwise, since both cause drowsiness, you should take it with precaution. ...Read more

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I took a Benadryl (diphenhydramine) and fell a sleep. It must of wore off because I woke up an hour and a half later, can I take another one?

I took a Benadryl (diphenhydramine) and fell a sleep. It must of wore off because I woke up an hour and a half later, can I take another one?

Read drug label: Please take medications as directed. Instructions are usually printed on the ingredient label. You can always take another one but not until specified amount of time has elapsed. ...Read more

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I took a zyrtec about 12 hrs ago and was wondering if it was ok to take one benadryl (diphenhydramine)?

Yes: It is not harmful to take Benadryl (diphenhydramine) after Zyrtec- both medications are antihistamines and generally you would not need to take both of them

Benadryl (diphenhydramine) is a stronger antihistamine and may help with symptoms unresolved by Zyrtec - it often has more sedation as side effect than Zyrtec ...Read more

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I took one benadryl how long I wait to drink wine?

I took one benadryl how long I wait to drink wine?

At least 6 hours: Benadryl reaches its peak plasma cocentration in 2to3 hours. It's affect is rather short acting 4to6 hours only. There may still be some affect left but it is safe to drink wine after 6 hours. Dependin on how much wine you drink, I suggest you do not drive ...Read more

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How long should one take Benadryl (diphenhydramine) for hives before seeing a Dr?

As soon as you feel: You are obviously reacting to something. Trying to isolate what is causing hives and removing it from your diet/environment/exposure is probably goal #1. Benadryl (diphenhydramine) or other anti-histamines treat symptoms but do not treat the problem. ...Read more

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Can I take Allegra & Benadryl (diphenhydramine) together or one or the other? Thanks!

Can I take Allegra & Benadryl (diphenhydramine) together or one or the other? Thanks!

Better not together: One or the other, space them out if you have to take both, but under doctor's supervision ...Read more

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Hi, if one 25 mg Benadryl (diphenhydramine) pill isn't working can I take 2 at 31 weeks?

Hi, if one 25 mg Benadryl (diphenhydramine) pill isn't working can I take 2 at 31 weeks?

OK: At 31 weeks, all of the fetal organs have formed and thus it should be ok for you to take the Benadryl (diphenhydramine) 50 mg dose. Just beware that this may make you very drowsy. ...Read more

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If I took one 25mg Benadryl (diphenhydramine) about 1-2 hours ago is it safe to take one more 25mg before bed?

Depends: Sold as Unisom 50 mg OTC *but* check if there are drug interactions. Go to Medscape, get a free account, and check drug & supplement interactions. If you are an air traffic controller, pilot, mariner, deployed, or operate heavy machinery, or plan to use your car, it's half-life is anywhere from 8-17 hours. Takes 5.5 half-lives for any drug to clear your system on average. Do the math. Be aware. ...Read more

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Is it okay to take Allegra and Benadryl (diphenhydramine) in the course of one day (24hrs) if Allegra alone is not providing the relief I seek?

Is it okay to take Allegra and Benadryl (diphenhydramine) in the course of one day (24hrs) if Allegra alone is not providing the relief I seek?

Yes, but: For what do you seek relief? If you have nose/eye/ear symptoms related to allergy, then there are more effective treatment strategies compared with oral antihistamines. An Allergist can help with this. If you have uncontrolled hives, might also see allergist or dermatologist, but using higher doses of long-acting antihistamine is common. Read labels and be aware of side effects (like sedation) ...Read more

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Took claritin-d over 12 hours ago can I take one benadryl (diphenhydramine)?

Took claritin-d over 12 hours ago can I take one benadryl (diphenhydramine)?

Yes: Benadryl (diphenhydramine) can make you drowsy, but I would not expect any untoward effects from a "non-sedating" antihistamine like Claritin in combination with benadryl (diphenhydramine). ...Read more

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Can I take one cup of NyQuil for my cold, and two Benadryl's for my allergies?

Can I take one cup of NyQuil for my cold, and two Benadryl's for my allergies?

2AntihistaminsSimila: Nyquil cantains aDoxylamine.Acetaminophen and Dextromethorfan
Benadryl (diphenhydramine) is an antihistamine and Doxylamine is also antihistamine. Both are first generation antihistamines and cause sedation. I will not advice to take 50 mgm (2x25mgm)of Benadryl (diphenhydramine) and Nyquil. ...Read more

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How long should I wait to take a dose of Benadryl (diphenhydramine) after having an alcoholic drink?

Depends: Count Benadryl (diphenhydramine) as a drink (some say as much as two but I think it depends on the individual) for its effects on your body and mind, then judge for yourself. Drink +driving= potential disaster. ...Read more

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Hey I need short sleep due to college assignments. If I take one benadryl (diphenhydramine) pill, will that make me sleep for a short amount of time or for many hours?

Depends: On your tolerance. Benadryl (diphenhydramine) affects people differently. Some people can take 12.5 mg and be knocked out, while others can take 25 or even 50 and still be chatty and alert. I suggest you try melatonin if you only need to sleep a little while. 5mg should help you rest for about 4 hours. Thanks for trusting HealthTap! ...Read more

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I was Dx with rhinitis I take fluticasone and benadryl (diphenhydramine) is helps some but still have problems especially in one side of face. Any meds I can add to mix?

I was Dx with rhinitis I take fluticasone and benadryl (diphenhydramine) is helps some but still have problems especially in one side of face. Any meds I can add to mix?

See an allergist: That combination of medications will control most mild to moderate allergies. People who are having symptoms despite that much medication should seek help from an allergist to get better control of their symptoms ...Read more

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If I had one alcoholic beverage at 1pm, will I be okay to take Benadryl (diphenhydramine) for my allergies at 7:30pm that same day?

If I had one alcoholic beverage at 1pm, will I be okay to take Benadryl (diphenhydramine) for my allergies at 7:30pm that same day?

It is OK: In general there is a risk but in this case it is low. You need to discuss this with your physician because I have little data about you to given you much advice ...Read more