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Doctor insights on: Diphenhydramine Citrate Vs Hcl

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Dr. John Chiu
1,049 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 should I take diphenhydramine HCl 25mg or diphenhydramine citrate 38mg?

What should I take diphenhydramine HCl 25mg or diphenhydramine citrate 38mg?

What For?: More info is needed to decide proper dose and if this is the medicine for whatever the problem is. ...Read more

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What are the dosage differences in diphenhydramine HCl and citrate if I take 50mg of HCl for sleep would I take 76 mg of citrate?

What are the dosage differences in diphenhydramine HCl and citrate if I take 50mg of HCl for sleep would I take 76 mg of citrate?

Not really different: There really is no significant therapeutic difference between the two forms of diphenhydramine, which will work well for sleep in either dose. ...Read more

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How much diphenhydramine HCl will kill me?

Tons: You will likely be able to tolerate at least 5 capsules without much problem except for drowsiness and a dry mouth. As for the lethal dose, I don't know the exact number but i'd doubt that even taking 20 capsules can kill you. ...Read more

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Are fexofenadine HCl and diphenhydramine HCl the same?

Are fexofenadine HCl and diphenhydramine HCl the same?

No: Benadryl (diphenhydramine) is a short-acting antihistamine and is more likely to make you sleepy when used. Fexofenadine is a second-generation, non-sedating antihistamine which should have more lasting effects, closer to 24 hours, and is less likely to make you sleepy. ...Read more

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I've been taking about 500 to 1400mg of OTC diphenhydramine hcl daily for about the last 6-8 years and have stopped. How can I stop the ITCHING!!?

I've been taking about 500 to 1400mg of OTC diphenhydramine hcl daily for about the last 6-8 years and have stopped. How can I stop the ITCHING!!?

Find out the cause: Consider consulting a dermatologist if the itching has been going on for 6-8 years. A dermatologist can help you sort out the cause or devise a treatment program which can help control the itching. On the other hand, if high doses of antihistamine controls the itching without side effects for several years, you may continue taking it. ...Read more

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Been taking diphenhydramine HCL for about 10 years in high doses. I have recently stopped taking them. The itching is intense. HOW CAN I STOP THE ITCH?

Been taking diphenhydramine HCL for about 10 years in high doses. I have recently stopped taking them. The itching is intense. HOW CAN I STOP THE ITCH?

Why did u stop?: U could try the "non-sedating" antihistamines like Allegra, (fexofenadine)Zyrtec, Xyzal, or see an Allergist/Immunologist. They have other meds in the fight against chronic pruritis. Good luck ...Read more

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Is it okay to take a diphenhydramine HCl with my zanaflex (tizanidine)?

It is OK: There is no interactions between zanaflex (tizanidine) and diphenhydramine. However, always before beginning any new drug, it is important to review your medical history with your doctor. ...Read more

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I'm taking diclofenac sod ec 75mg. Can I take sleep med that has only diphenhydramine HCl 25 mg?

I'm taking diclofenac sod ec 75mg. Can I take sleep med that has only diphenhydramine HCl 25 mg?

Yes: These medicines have different mechanism of action and that is not a problem. Discuss this with your physician if there's any other medical issues we are not aware of. ...Read more

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What side effects come from taking 1000mg of diphenhydramine HCL daily for 8 years? And how can I stop the itching after I've stopped taking them?

What side effects come from taking 1000mg of diphenhydramine HCL daily for 8 years? And how can I stop the itching after I've stopped taking them?

You need help: I hope you meant 100mg. If you're really taking 40 capsules of Benadryl (diphenhydramine) a day, and even if you're only taking 4 capsules a day, you need to see a board certified allergist for help. Even if the underlying cause of the itching can't be found, there are better ways to control it ...Read more

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150 mg Diphenhydramine hcl (3 Unisom Sleepgels) hasn't helped me sleep. Is it safe to bump it up to 200 mg?

150 mg Diphenhydramine hcl (3 Unisom Sleepgels) hasn't helped me sleep. Is it safe to bump it up to 200 mg?

Won't advise it: It will not kill you but may cause other side effects yet unlikely to help you to fall asleep by taking another 50 mg. ...Read more

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Mixing diphenhydramine HCL (50mg) with oxycodone (30mg)? Due to an accident, chronic, severe, pain does not let me sleep.......

Mixing diphenhydramine HCL (50mg) with oxycodone (30mg)? Due to an accident, chronic, severe, pain does not let me sleep.......

Consult doctor: It appears that you need pain management. Diphenhydramine has some sedating effect but does not work on everyone and certainly won't overcome the pain which may be keeping you awake. You need to address the cause and consulting a pain-management doctor may be worthwhile. ...Read more

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Should I take Benadryl (diphenhydramine hcl) for my poison ivy even though I suffer from anxiety?

Should I take Benadryl (diphenhydramine hcl) for my poison ivy even though I suffer from anxiety?

Other antihistamine: The main reason to take antihistamines for poison ivy is to decrease the itching. There is risk of central nervous system effects with benadryl (diphenhydramine). Potentially it could aggravate anxiety disorders. An antihistamine that does not cross over into the brain like Benadryl (diphenhydramine) is Allegra (fexofenadine). It will still help with the itching. ...Read more

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My allergy medicine is not working. I am taking cetrizin HCL antihistamine. I also took benadryl (diphenhydramine) and loratadine tablet but not working. At night time while sleeping feel ok but once you get up and move then symptom comes back.

My allergy medicine is not working. I am taking cetrizin HCL antihistamine. I also took benadryl (diphenhydramine) and loratadine tablet but not working. At night time while sleeping feel ok but once you get up and move then symptom comes back.

See physician: A 51 year old male with allergy symptoms taking cetirizine, benadryl, (diphenhydramine) and loratadine without improvement. See an allergist to determine what you are allergic to and also to determine if there is something else going on, like a sinus infection. Add a nasal steroid spray (OTC Flonase or Nasacort) twice a day as well. ...Read more

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I take Sertraline HCL 50 MG and Trazodone 150 MG Is it ok to take Benadryl (diphenhydramine) allergy liqui-Gels 25 MG with the other meds?

I take Sertraline HCL 50 MG and Trazodone 150 MG Is it ok to take Benadryl (diphenhydramine) allergy liqui-Gels 25 MG with the other meds?

For what?: All meds have potential adverse effects and the more meds you are on increases this risk. Both sertraline and trazodone are antidepressants, but you are likely taking trazodone for sleep and these 2 are not an uncommon combo. Benadryl (diphenhydramine) is also sedating. If you need Benadryl (diphenhydramine) for allergies talk to your doc about tapering down trazodone. Also consider seeing an allergist ...Read more

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Differance between diphenhydramine citrate and diphenhydramine hci?

Citrate vs. HCl: No real difference, both work in the same way and are likely to equivalent in all ways. ...Read more

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What's more powerful - 76mg diphenhydramine citrate one or 50mg diphenhydramine hydrochloride?

What's more powerful - 76mg diphenhydramine citrate one or 50mg diphenhydramine hydrochloride?

Diphenhydramine: The 76 mg diphenhydramine has more medicine than the 50 mg size. The citrate or hydrochloride do not effectively change the medicine dose.

Whether either is more potent may depend on how you react to the medicine. ...Read more

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What is diphenhydromebe citrate vs diphenhydramine hci?

Similar: Just different "salts" with the same active ingredient. ...Read more

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Can diphenhyrdramine HCl 25 mg antihistamine cause a positive urine test?

For antihistamine: Diphenhydramine is commonly called Benadryl (diphenhydramine) and used as a sleep aid and for treatment of allergies. It should not lead to a positive illicit drug urine test. If urine is testing for antihistamines, it will be positive. ...Read more

Benadryl (Definition)

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