Diphenhydramine hcl 25 mg phenylephrine hcl 10 mg - Doctor answers

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Dr. Maxime Cannesson
545 Doctors shared insights

Phenylephrine (Definition)

Phenylephrine hydrochloride is a decongestant which is a kind of antihistamine type drug (common ...Read more


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If my Benadryl (diphenhydramine) contains phenylephrine is it not a good idea to take two tablets for sleep?

If my Benadryl (diphenhydramine) contains phenylephrine is it not a good idea to take two tablets for sleep?

Drop phenylephrine: Find a product that does not contain the phenylephrine. For most people, that med is stimulating and will make you stay awake, not help you sleep. Make sure you also use good sleep hygiene - bedtime routine, minimize distractions around you, warm milk, and consider melatonon for sleep aid rather than more and more benadryl (diphenhydramine). ...Read more

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My Daughter Has a cough. Is 4yrs. Can I give her children's triaminic night cough n cold with diphenhydramine & phenylephrine if so what dose?

My Daughter Has a cough. Is 4yrs. Can I give her children's triaminic night cough n cold with diphenhydramine & phenylephrine if so what dose?

Cold medicine: Check with your pediatrician first: depends if she has any other medical issues. (Also note: Avoid raw honey intake in children under 12 months of age given risk of Clostridium bacteria) ...Read more

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I took acetaminophen diphenhydramine phenylephrine. What are possible side effects?

I took acetaminophen diphenhydramine phenylephrine. What are possible side effects?

Many side effects: The Diphenhydramine can cause sleepiness, dry mouth, problems urinating. It can also raise up your blood pressure. Phenylephrine can cause higher blood pressure, speed up your heart rate (pulse rate). Cause palpitations, rapid heart beat. It can also make you feel nervous and anxious. It can also cause dry mouth. Using more that 3 grams of acetominophen per day is bad for your kidneys and liver. ...Read more

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Hi, I'm having a spreading swollen reaction to what is probably a bed bug bite (s). Cannot get benadryl, (diphenhydramine) will phenylephrine work to help control it?

Hi, I'm having a spreading swollen reaction to what is probably a bed bug bite (s). Cannot get benadryl, (diphenhydramine) will phenylephrine work to help control it?

No: Phenylepherine is a decongestant not an antihistaminic, so it won't control itching or 'allergic reaction'. If you can't get benadryl (diphenhydramine) for whatever reason right now, try having a shower and apply cold compresses till you see a doctor, good luck ...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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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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How much diphenhydramine HCl will kill me?

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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Can a 8 yr old take half tablet of phenylephrine HCL 10mg?

Can a 8 yr old take half tablet of phenylephrine HCL 10mg?

Phenylephrine dose: Phenylephrine dose for 8 year old is 7.5 mg or 3/4 tablet of phenylephrine HCL 10 mg. However tablet has a bitter aftertaste if child is unable to swallow whole. Instead use a pediatric liquid preparation. ...Read more

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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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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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Phenylephrine and ceterizine HCl together okay?

Yes, Phenylephrine: In a nasal decongestant spray can be used for a limited time (see insert) to open nasal passages. Ceterizine is an antihistamine for treating alleric symptoms. ...Read more

Dr. John Chiu
1,047 Doctors shared insights

Diphenhydramine (Definition)

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


Benadryl (Definition)

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