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Does Benadryl work for flying?

Diphenhydramine, the same antihistamine found in Benadryl, will likely put you to sleep, though you may pay the price once you land. “It makes us feel really groggy when we wake up, and it can make us feel really hungover,” Das says.



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Benadryl - Many parents ask about giving Benadryl to their child before a flight to promote rest and sleep. This is not necessary. Benadryl does not necessarily cause a child to sleep or sit quietly. In fact, it may cause a child to be hyper and/or irritable.

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These drugs are usually taken shortly before a flight. They include: Anti-anxiety medication, such as diazepam (Valium) or alprazolam (Xanax). Motion sickness medication, such as dimenhydrinate (Dramamine).

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People often come to us requesting the doctor or nurse to prescribe diazepam for fear of flying or assist with sleep during flights. Diazepam is a sedative, which means it makes you sleepy and more relaxed.

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1) Diazepam is a sedative, which means it makes you sleepy and more relaxed.

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If you have any allergy or cold-related symptoms, make sure you take an antihistamine or decongestant spray at least 30-45 minutes before your flight. Following this method can help alleviate any additional sinus pressure.

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Seif's Freedom to Fly Now Workshop to help conquer your fears.
  1. Latch on to triggers that set you off. ...
  2. Step onto the airplane with knowledge. ...
  3. Anticipate your anxiety. ...
  4. Separate fear from danger. ...
  5. Recognize that common sense makes no sense. ...
  6. Smooth over things that go bump in the flight.


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Does Benadryl Help Anxiety? Although some people say that Benadryl helps their anxiety, it is not approved by the FDA for anxiety symptoms. Therefore, do not take it for anxiety unless your healthcare provider specifically recommends it. The only FDA-approved antihistamine for anxiety is hydroxyzine (Atarax, Vistaril).

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I recommend melatonin as a natural supplement to my patients with flight-related anxiety. Melatonin induces sleep and adjusts your circadian clock to help you function better when you reach your destination.

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Yes, Benadryl is an antihistamine that causes drowsiness in most people. Some people use Benadryl for this side effect if they have trouble sleeping (insomnia), but this is not recommended long-term. The drowsy or sedation effect typically lasts about 8 hours, but may persist into the next day if taken at night.

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Licensed therapist Jules Jean-Pierre of Grow Therapy suggests that the more common fears associated with flying are the fears of dying, small spaces (claustrophobia), motion sickness, getting COVID, and judgment from fellow passengers, among others.

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The most frequently used antihistamines to treat motion sickness include cyclizine, dimenhydrinate, meclizine, and promethazine (oral and suppository); nonsedating antihistamines appear to be less effective.

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Over-the-counter options include Dramamine (bonus: it will also help if you have motion sickness), melatonin (a hormone that can help with sleep and prevent jet lag), any antihistamine containing diphenhydramine (such as Benadryl), and medicines designed for insomnia, like Unisom or ZzzQuil.

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However, OTC antihistamines (i.e., Benadryl/diphenhydramine) have been recommended as a short-term solution for anxiety symptoms. While there is likely not any harm in taking an occasional OTC antihistamine as an over-the-counter Xanax alternative, the sedating side effects are not ideal for regular use.

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In short, the 3-1-1 rule is: Each liquid you bring through the TSA checkpoint must be in a 3.4-ounce or smaller container (3), all containers must be placed inside one clear quart-size plastic bag (1) and each passenger is only allowed one plastic bag (1).

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