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Doctor insights on: Diphenhydramine History

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History of anxiety, found hive on arm yesterday, two hives on leg this am. Very anxious, history ofs easonal allergies. I took 2 motrin and 2 benadryl (diphenhydramine)?

History of anxiety, found hive on arm yesterday, two hives on leg this am. Very anxious, history ofs easonal allergies. I took 2 motrin and 2 benadryl (diphenhydramine)?

Hard to tell: Hives can be triggered by many things including stress. However drugs , foods, or viral infection can cause acute hives as well. If the problem is not severe and goes away after 6 wks, just try antihistamine if the trigger cannot be identified. See your doctor or allergist if the problem extends beyond 6 weeks or not responded well to anithistamine. ...Read more

Dr. John Chiu
1,011 doctors shared insights

Diphenhydramine (Definition)

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


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What allergy medication is safe to take if have a history of kidney stones? Allegra, Zyrtec, Benadryl, (diphenhydramine) Claritin?

What allergy medication is safe to take if have a history of kidney stones? Allegra, Zyrtec, Benadryl, (diphenhydramine) Claritin?

All of them : Is unlikely any of these would have an adverse event on your kidney stones. Your physician can clearly help you with this decision ...Read more

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Is diphenhydramine adictave?

Is diphenhydramine adictave?

No: The antihistamine is does not have addictive qualities. Yet a person can become habit driven to continue any product/medication/coffee/food etc.Habituation is a strong force in ones life to continue past patterns. If stopped, a longing for that product can be quite strong, but it does not produce the physical addiction entails. ...Read more

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Can i cut diphenhydramine in half?

Can i cut diphenhydramine in half?

Depends: Some Diphenhydramine comes in capsules and some in solid pills. You can cut the pills but the capsules will just squish, break open and spill the contents. If capsules are all you have, you can dissolve the contents in water and drink half or something we do with patients at times is to mix it with jello and have them eat the proper amount. ...Read more

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Is 150 mg of diphenhydramine okay?

Is 150 mg of diphenhydramine okay?

too much: This is too much diphenhydramine, you should not take such high doses before checking with a doctor or guided by a doctor. ...Read more

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Can i cut a diphenhydramine in half?

Can i cut a diphenhydramine in half?

Tabs, yes: It is not practical to cut a capsule, but a scored tablet can be easily cut with a pill cutter. There are many formulations of Diphenhydramine in case a lower than usual dose is required. ...Read more

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What color are diphenhydramine pills?

DiphenhydramineColor: Usually they are pink or pink and white if capsules; but I do not know if soem generic version scould be white. ...Read more

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Can I take 75mg of Diphenhydramine HCI?

Can I take 75mg of Diphenhydramine HCI?

Probably but why?: Adult dosing is 25-50 mg every 4-6 hours as needed. Maximum dosing is listed as 100mg per dose up to a total of 300 to 400mg per day. I'm just wondering your reason for taking 75mg, as this medicine is sedating, and can make you sleepy. If the 25-50 mg isn't strong enough, maybe there's something else better for you to try. Discuss this with your doctor, who might have a better suggestion for you. ...Read more

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Is 75mg of diphenhydramine an overdose?

75mg diphenhydramine: Is larger than a single dose should be for an adult or child. So it is technically an overdose. Normal doses for a child may be 75 to 150mg per day in divided dose or 150 to 300 mg per day in a divided dose for an adult. Are you considering taking an overdose? If you are -please have a friend or relative take you to the nearest er or call 911. With help your life and problems can improve. ...Read more

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What amount diphenhydramine is an overdose?

What amount diphenhydramine is an overdose?

It depends: Diphenhydramine was a major cause of seizures reported to a poison center. At a dose of 7.5mg/Kg (a total dose of 500 mg [20 OTC tablets] for a 150 pound person) many p0eople will develop severe reactions. In doses over 1g (40 tablets) the drug may be lethal. ...Read more

Benadryl (Definition)

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