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Doctor insights on: Antihistamines For Nausea

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Are anti nausea drugs in the same family as antihistamines? I'm allergic to anti nausea drugs, dr is now saying I'm allergic to antihistamines?

Are anti nausea drugs in the same family as antihistamines? I'm allergic to anti nausea drugs, dr is now saying I'm allergic to antihistamines?

There are: Many different types of anti-nausea medications, but none of them are anti-histamines. I don't know why your doctor is correlating the them. Perhaps he has another reason. Ask him. ...Read more

Benadryl (Definition)

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


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I am Having some mild test taking anxiety with slight nausea / tummy discomfort, I know that antihistamines are used for motion sickness. Could I try?

I am Having some mild test taking anxiety with slight nausea / tummy discomfort, I know that antihistamines are used for motion sickness. Could I try?

Non-med options: Try learning relaxation techniques, eg. Guided meditation or deep breathing (see YouTube).They lower heart rate & blood pressure, & help with physical & emotional sides of anxiety.Best if practiced regularly.
Antihistamines best for anxiety (hydroxyzine is FDA approved, Benadryl (diphenhydramine) =same generation) get into the brain. They unfortunately cut off the "stay awake and alert" signal, not good for exams. ...Read more

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Does Benadryl (diphenhydramine) help nausea?

Does Benadryl (diphenhydramine) help nausea?

No: Benadryl (diphenhydramine) is an anti-histamine and would not relieve nausea. ...Read more

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Does Benadryl (diphenhydramine) help with nausea and headache?

Does Benadryl (diphenhydramine) help with nausea and headache?

Not usually: Benadryl (diphenhydramine) is fine for allergies, and if seasonal issues trigger headaches, may be of limited benefit. But if you have migraine, will not help, and you are far better to try excedrin migraine or aleve. However, depending on your severity and frequency, you may want to consult your doctor and try to prevent the headaches. ...Read more

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Took Zyrtec 6 hours go. I'm now dealing with nausea. Can I take some benadryl to help with the nausea? Just asking since I've taken the Zyrtec.

Took Zyrtec 6 hours go. I'm now dealing with nausea. Can I take some benadryl to help with the nausea? Just asking since I've taken the Zyrtec.

Good that you asked: As you want to exercise caution with multiple medications, Zyrtec and Benadryl are both antihistamines with similar actions, combined together, you might get more of the side effects, you want to stay with only one of them. You can start with the lowest dose of Benadryl though and increase as needed, read the labels, if no improvement, see / call your doctor, avoid driving for now, wish you well ...Read more

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Took 10mg Vicodin last night around 5pm. Woke up with nausea and took 50mg of Benadryl (diphenhydramine) around 11am next day. Is this okay and safe?

Depends: But common side effects of drugs in the opiate class (such as Vicodan) include nausea and drowsiness. It is ok to take Benadryl (diphenhydramine) but whether it helps or not is another issue In the future, be sure to inform your doctor about this experience since you will likely react to other opiates as well with the same symptoms. ...Read more

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I have a prescription for hydrocodone. If I take Benadryl (diphenhydramine) along with it, will it decrease my chances of nausea?

I have a prescription for hydrocodone. If I take Benadryl (diphenhydramine) along with it, will it decrease my chances of nausea?

No: Benadryl typically only helps with allergy like symptoms. Nausea is best treated with medicines like Phenergan (promethazine) or zofran. You may need to speak with your doctor to discuss these options. Often times changing your pain medicine to another one will resolve your nausea, again speak with your doctor. ...Read more

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When I take Benadryl (diphenhydramine) after after a night of drinking I have no nausea the next morning. Is this just a placebo effect or actually therapeutic?

When I take Benadryl (diphenhydramine) after after a night of drinking I have no nausea the next morning. Is this just a placebo effect or actually therapeutic?

Not studied: Unaware of any study supporting your experience. However if this worked for you, who am I to question?
The only thing I can think of is that since Benadryl (diphenhydramine) makes you drowsy, you might have drunk less because of it. ...Read more

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I just started taking maxzide for hypertension and lexapro. I'm having headache and so nauseous. Would Benadryl (diphenhydramine) be ok to help with the nausea?

I just started taking maxzide for hypertension and lexapro. I'm having headache and so nauseous. Would Benadryl (diphenhydramine) be ok to help with the nausea?

OK but: Benadryl (diphenhydramine) is unlikely to relieve your nausea. If the drugs mentioned were recently introduced, make sure that your symptoms are not just side effects. In order to control the nausea, you will need to know what is causing it. Rx drug is often effective if necessary. If you suffer from migraine, then this is how it shows up. ...Read more

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I have chills and slight nausea. What medicine should I take- Aleve for the bad fever or Benadryl (diphenhydramine) for the allergy?

I have chills and slight nausea. What medicine should I take- Aleve for the bad fever or Benadryl (diphenhydramine) for the allergy?

Perhaps both: You could take both but you didn't mention any specific allergy symptoms. Nausea could easily be a symptom of infection. And chills are not a symptom of allergy. In that case Benadryl (diphenhydramine) will only make you sleepy. It's not a very good medication for nausea. Take your Ibuprofen and go to bed. ...Read more

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I had a wheatgrass shot then some carrot juice with banana. I'm having nausea and headache. Could it be an allergic reaction? Should I take Benadryl (diphenhydramine)?

I had a wheatgrass shot then some carrot juice with banana. I'm having nausea and headache. Could it be an allergic reaction? Should I take Benadryl (diphenhydramine)?

Possible: But some wheatgrass are infested with insects or their eggs as well. If you have itching, then allergy is a more likely scenario. If not, it is difficult to tell for sure. Don't touch these products again until after you have talked to your doctor. If you still have the wheatgrass and had tolerated banana and carrot before. Save a sample of the wheat grass in case it needs be examined. ...Read more

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Why are zofran, ativan and Benadryl (diphenhydramine) the main three drugs used for nausea and vomiting on pediatric oncology?

Why are zofran, ativan and Benadryl (diphenhydramine) the main three drugs used for nausea and vomiting on pediatric oncology?

They work well...: Every patient is different with respect to the best combination of anti-nausea medicines that works for them. We tailor an anti-nausea regimen based on the patient and what chemotherapy they are receiving. There are other medications that can be added to the ones you mentioned, as well as acupressure and acupuncture (applied safely) that can help patients. ...Read more

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Had lap/choelo. Nextweek severe hives-prednisone&benadryl.3weekpneumonia-doxycycline hyclate&flovent.6days treatmentstill nausea &light headedwhentired?

Had lap/choelo. Nextweek severe hives-prednisone&benadryl.3weekpneumonia-doxycycline hyclate&flovent.6days treatmentstill nausea &light headedwhentired?

Complications: This is too far complicated for an online forum to answer. There are many facets in your story that need to be discussed. You need to see doctors in your area and your surgeon to determine where your symptoms are coming from. ...Read more

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I might have accidentally od'd on Benadryl (diphenhydramine) yesterday. I took around 325 mg. Nothing really happened except I feel sick and dizzy. What should I do?

I might have accidentally od'd on Benadryl (diphenhydramine) yesterday. I took around 325 mg. Nothing really happened except I feel sick and dizzy. What should I do?

Nothing: This happened yesterday so you are fine. Read instructions and take appropriate dose. Many times an overdose just makes on sleepy.....If you took it on purpose, then tell your parents and get help. ...Read more

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I had a glass of wine around 8 pm and then at 10 I took benadryl (diphenhydramine). I don't feel sick but im scared to go to sleep. Should I be worried?

I had a glass of wine around 8 pm and then at 10 I took benadryl (diphenhydramine). I don't feel sick but im scared to go to sleep. Should I be worried?

Don't worry: This amount of alcohol and not more than 50 mg Benadryl (diphenhydramine) are not dangerous in the order you took them, but it's never a good idea to mix alcohol and drugs that have sedative effetcts. ...Read more

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Cough 2-3weeks now headache bloodshot irritated eyes nausea chest pain fatigue. Doc said try antihistamine 1st but idt it's allergic reaction. Whst isit?

Cough 2-3weeks now headache bloodshot irritated eyes nausea chest pain fatigue. Doc said try antihistamine 1st but idt it's allergic reaction. Whst isit?

Antihistamines may: Help you sleep better, but they may not help much with coughing, fatigue, or bloodshot eyes. They can dry the eyes out further, as well as dry out all secretions. Coughing is not an allergic reaction unless you are having difficulty breathing, and you are having swollen mucus membranes. Call your doctor back and get clarification on what to do now and next. It's time! ...Read more

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What are the common uses of antihistamine?

What are the common uses of antihistamine?

Antihistamine 4 itch: Antihistamines (ah) block histamine receptors and stop histamine from causing itching and swelling. They are mainly used to treat allergies and hives. Some are sedating; those are used as sleep aids. Many otc sleep meds contain Diphenhydramine (benadryl). ...Read more

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Is Flixonase an antihistamine?

Steroid Nasal Spray: Flixonase or Flonase (fluticasone proprionate) is a steroid nasal spray commonly used to treat allergic rhinitis by decreasing the allergic inflammation in the nasal mucosa. It is not an antihistamine. ...Read more

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Is there an antihistamine cream?

Is there an antihistamine cream?

Yes, but avoid: Benadryl (diphenhydramine) cream is available. While some people find temporary relief for insect bites with this, in general it is not very effective compared to other antihistamines taken as pills or tabs. For generalized rash, it really doesn't make sense. ...Read more

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What antihistamine has the strongest antiemetic properties?

Dramamine (dimenhydrinate): Dramamine (dimenhydrinate) and Meclizine are some that can be used. Different for different patients. ...Read more

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If someone takes 52 antihistamines, is this something to be concerned about?

If someone takes 52 antihistamines, is this something to be concerned about?

Yes: It tells me that this is a risky behavior and likely a suicidal attempt. Call the psychiatrist or the suicide hotline. ...Read more

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Is Flonase an antihistamine?

Is Flonase an antihistamine?

No: Flonase is a nasal steroid spray. It is often used in conjunction with an antihistamine. The most commonly used antihistamines today are the non-sedating antihistamines: claritin, Allegra and zyrtec. Each of these had a generic drug available, too. ...Read more

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Which antihistamine for a rash?

Which antihistamine for a rash?

It depends on what: The rash is. If you have hives or an itchy rash - Benadryl (diphenhydramine) may be helpful. ...Read more

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I was wondering is antihistamine meant to burn?

No: Antihistamines are medications available as oral tablets, syrups or nasal sprays (Azelastine) to treat the symptoms of allergies. ...Read more

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What are non-sedative antihistamines?

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 is desirable if you are taking an antihistamine for sleep (e.g. Benadryl). The newer antihistamines don't cross the blood brain barrier as much. These include (least to most sedate) fexofenadine (allegra), Cetirizine (zyrtec), loratidine (claritin). ...Read more

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Are antihistamines for asthma control?

Are antihistamines for asthma control?

Sometimes: Whren asthma attacks are triggered by allergen, an antihistamine can be helpful. Recommend a non-centrally acting antihistamine like Claritin (loratadine) to prevent sedation. Talk t o you physician before your start any self-medication. ...Read more

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What do antihistamines do for vertigo?

Vertigo: They may help if it is caused by an allergy but otherwise not much. ...Read more

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Any alternatives to oral antihistamines?

Any alternatives to oral antihistamines?

Depends: It depends on what symptoms you are treating. Assuming that you are treating seasonal allergy symptoms, you could also try prescription nasal sprays, singulair, (montelukast) or allergy shots. ...Read more

Dr. Paul Carter
648 Doctors shared insights

Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more


Dr. Stephen Noga
1,712 Doctors shared insights

Nausea (Definition)

Nausea = abdominal upset ...Read more


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