Pseudoephedrine allergy in children - Doctor answers

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Dr. John Chiu
2,628 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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I took a non drowsy allergy pill earlier today (about 10 hours ago to be exact), containing pseudoephedrine. Can I take Nyquil before going to bed?

I took a non drowsy allergy pill earlier today (about 10 hours ago to be exact), containing pseudoephedrine. Can I take Nyquil before going to bed?

Yes you can: But make sure you do not combine much of antihistamines (allergy medicines) in the future, good that you asked, always exercise caution with multiple medications, ...Read more

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Severe allergies. OTC don't work anymore except pseudoephedrine and benedryl (side effects). Recommend OTC. DO NOT SAY SEE A DOCTOR - can't afford?

Severe allergies. OTC don't work anymore except pseudoephedrine and benedryl (side effects). Recommend OTC. DO NOT SAY SEE A DOCTOR - can't afford?

Nasal sprays: You could try nasal sprays - Nasacort Allergy 24HR or NasalCrom, but these may take some time to work. Some patients do well with Saline nasal washes or Neti Pots. Also try using Zyrtec or Claritin instead of Benadryl, (diphenhydramine) to reduce side effects. ...Read more

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Allergies/sinuses, 33f, nose runs nonstop, taking Claritin (loratadine) doesn't help. Can I take a zrytech also? Or would sudafed w/ pseudoephedrine help?

Allergies/sinuses, 33f, nose runs nonstop, taking Claritin (loratadine) doesn't help. Can I take a zrytech also? Or would sudafed w/ pseudoephedrine help?

Allergies: Your nasal symptoms will respond best to a prescription nasal steroid. Antihistamines seem of limited value in your case. Consider seeing an allergist to achieve adequate control of your symptoms. ...Read more

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What is a good alternative to using sudafed for allergies?

Medical Alternatives: Sudafed is a short-acting decongestant, can provide limited, immediate relief. Alternatives include antihistamines like Benadryl (diphenhydramine) (can cause sedation), longer-acting antihistamines like claritin/zyrtec, leukotriene inibitor (singulair - rx only) and nasal steroid sprays (nasonex, flonase, etc). Most are more effective when taken daily as preventative rather than started after symptoms are present. ...Read more

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What's sudafed allergy?

What's sudafed allergy?

I have not seen it: True allergic reactions to sudafed are rare. More commonly people will not tolerate the drug effects of the medication. This can include heart racing, elevated blood pressure, sleeplessness, feeling jittery. This medication can case problems with an enlarged prostate and certain kinds of glaucoma. In the first trimester of pregnancy, it is associated with an increased incidence of a birth defect. ...Read more

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I am drinking a glas of wine right now. Will I be okay to take a sudafed for my seasonal allergies?

I am drinking a glas of wine right now. Will I be okay to take a sudafed for my seasonal allergies?

Yes: No contraindication/interaction. Sudafed is not the best choice for seasonal allergies (its effectiveness wanes if used too consistently). Consider seeing an Allergist for tailored management plan. Have a good night and be safe! ...Read more

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How much actifed or sudafed needs to be taken to test positive for meth? I take actifed for allergies and have tested positive before.

How much actifed or sudafed needs to be taken to test positive for meth? I take actifed for allergies and have tested positive before.

So many variables: There are so many variables that will affect the results of drug testing. In most instances letting those ordering the test know what medications you take will help them interpret the results. ...Read more

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I am miserable! Soo congested! Guessing it's more allergy related but tried sudafed, Flonase etc nothing is helping relieve congestion, suggestions?

Get checked: If you think this is allergy, there are better ways to quickly relieve symptoms, but the first step is to confirm with testing by an Allergist. There are other causes for persistent nasal congestion that need to be explored (infection, structural problem, irritant exposure, vasomotor rhinitis (blood vessel related), temperature/pressure/weather sensitivity, etc). Get this work-up started. ...Read more

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Always feels like there's water in r ear (no pain). Helps if I take sudafed & allergy pills; never goes away 100%. Why would that be? Should I worry?

Always feels like there's water in r ear (no pain). Helps if I take sudafed & allergy pills; never goes away 100%. Why would that be? Should I worry?

See ENT for exam: Could be an eustachian tube issue, inner ear issue, possibly sinus issue, or just the way you feel things...Needs an exam by expert to sort out. ...Read more

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I'm currently on a statin. Can taking an allergy medicine combined with pseudoehprine raise my ALT (liver enzymes)levels in a blood test?

I'm currently on a statin. Can taking an allergy medicine combined with pseudoehprine raise my ALT (liver enzymes)levels in a blood test?

Possible...: Most medications are processed in the liver and thus may cause elevation of your enzymes, but antihistamine/pseudoephedrine are relatively safe if used in appropriate dosage and duration. Since you are taking statin, you need regular monitoring. Inform your doc of all meds you are taking, script or otc...
Minimiize alcohol intake will help.
Good luck. ...Read more

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I took Sudafed, Flonase and Afrin (oxymetazoline) but getting no relief for allergy congestion, can I take Claritin on top of the other meds?

I took Sudafed, Flonase and Afrin (oxymetazoline) but getting no relief for allergy congestion, can I take Claritin on top of the other meds?

Afrin (oxymetazoline)?: You need to see an expert to determine the cause of the congestion and confirm that it is related to allergy. If you have been taking Afrin (oxymetazoline) for more than 5 days consecutively, then the persistent congestion is most likely now caused by the Afrin (oxymetazoline) (it causes sensitization and "rebound congestion"). Claritin can be added safely, but it may not be effective if underlying issue not addressed ...Read more

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I have post partum hyperthyroiditis. My pulse rate is 60, blood pressure 90/69. I'm very stuffy from allergies m. Can I take a half dose of sudafed?

I have post partum hyperthyroiditis. My pulse rate is 60, blood pressure 90/69. I'm very stuffy from allergies m. Can I take a half dose of sudafed?

? antihistamines: BP and pulse given are not too bad. Allergies often respond to over the counter antihistamines. They may make you drowsy and your mouth a little dry,
Why take any risk of kicking up symptoms from thyroiditis with a decongestant if you don't have to? ...Read more

Dr. Louis Vernacchio
404 Doctors shared insights

Pseudoephedrine (Definition)

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