Doctor insights on:
Allergy Decongestant Medication
Do histamines (not antihistamine medications) make you drowsy? Antihistamines (no decongestants added) seem to make me more alert when allergies flare
Yes: Histamine is a substance released during an allergic attack and can cause drowsiness. Some of the older generation anti-histamine agents (like benedryl) can cause drowsiness because they can pass the "blood brain" barrier and cause a direct effect on thinking. In rare cases in adults, antihistamines can cause agitation. ...Read more
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
I get really congested due to year round allergies. I can't tolerate the decongestants. Could i try a child's dose to see if it would help?
Avoid decongestants: In general, decongestants are not really effective long-term therapies for allergies. Generally, the effects of decongestants are to constrict blood vessels, throughout the body, which really does nothing to treat the causative problem, which is inflammation related to the allergen. Antihistamines, nasal steroids, allergen avoidance, and leukotriene antagonists are more effective. ...Read moreSee 1 more doctor answer
For the past 7 yrs i've taken OTC antihist/decongestants for my allergies. It works, but i feel like i need to give my body a break/change. Advice?
No to decongestanats: The best decongestants are the nasal steroids, all of which require a prescription. Topical decongestants may cause damage if used for longer than 5 days. Oral decongestants can raise blood pressure even in young people in addition to the symptoms already mentioned. ...Read moreSee 2 more doctor answers
My allergies are getting worst can i take claritin 12 hr with decongestant in the morning and at noght take the 10 mg 24hr tablet?
you may take ONE 24 hour pill per day OR TWO 12 hour pills twice a day...
If this isn't helping add an OTC NASAL CORTISONE spray!
Hope this is helpful
Dr Z ...Read more
I had horrible allergies even though I took loratadine w/ decongestant i combined it w/ cetirizone & its under control are their any bad side effects?
Overdosing Meds: Loratadine and cetirizine are both antihistamines, and carry side effects including sedation and drowsiness, among others. Increasing the dose of one agent, or combining agents, may increase the likelihood and severity of adverse effects and potential drug interactions. You should consult a physician before modifying medication instructions. ...Read more
I am taking astepro for allergies. I have been extremely congested lately. Is it safe to take a decongestant too?
I can only breath from one side of my nose. I've taken allergy meds & decongestants all my life. Is something wrong with my sinuses?
Obstruction: You may have an anatomical blockage like a deviated septum. See ENT doc for exam/recommendations. ...Read more
I have had nasal congestion for almost a month that has not gone away. I have taken allergy meds, sprays, and nasal decongestants. None have helped.
Nasal congestion: Was this precipitated by a cold(URI) or allergies? Any history of chemicals inhaled which are irritants like paints, glues, or diesel exhaust. Is your environment dry in your home? As you can see there may be an underlying factor contributing to this. Another more obvious thing would be nasal trauma. You need ENT exam with fiberoptic scope to check you out and put together a treatment plan. ...Read more
I periodically get very bad pressure in my ears. Pain meds/decongestants/steroids have not worked. No allergies. Goes away after 1wk on its own. Help?
My wife has been suffering from severe congestion due to allergies for the past week or two. We have tried using Zyrtec D, and separately Benedryl with Sudafed decongestant without relief. Her congestion seems to be at its worst in the evening, and last
Nasal steroid: Nasal steroid will likely be more effective but takes a few days of regular use to get optimal results. If still having problem, consult an allergist. ...Read more
Several: I like to start with hypertonic nasal saline nose sprays to help reduce congestion without medications. Pseudoephedrine ok short time. OTC nasacort (triamcinolone) also good if allergies the cause. This article may help - but if not improved soon or worsens see your MD. http://familydoctor.org/familydoctor/en/drugs-procedures-devices/over-the-counter/decongestants-otc-relief-for-congestion.html ...Read more
My doctor told me not to take antihistamines before allergy test but I've been taking nasonex (mometasone) and Otrivin decongestant is that ok?
Okay: A number of medications should be discontinued prior to allergy skin testing. Steroid nasal sprays like nasonex (mometasone) may be continued. Otrivine is a nasal decongestant which should only be used for temporary relief of symptoms may be continued. Escitalopram and inhalers and nebulizers may be continued. ...Read more
Okay to take a decongestant (400mg guaifenesin + 10mg phenylephrine hcl) while I am doing an allergy patch test? Nose is stuffy, congestion in lungs.
The meds won't: Affect the patch testing. Take care!Get a more detailed answer ›
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