Doctor insights on:
Oral Antihistamine Allergy Medication
What is the best allergy treatment for eyes I mean the best eye drops for allergy. Not over-the-counter drugs. Oral antihistamine alone not helping.
Patanol (olopatadine): I prefer patanol (olopatadine) drops. There are others which are similar. The important thing is to wash your face with a cool wash cloth before applying to remove any lingering allergens from your facial skin and around your eyes. This helps my patients a great deal. If you're not better with drops see an allergist for testing, you may want to consider allergy shots. ...Read moreSee 1 more doctor answer
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
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
Antihistamine: It may help depending on which type of allergic reactions you get and which organ systems are affected. Can you be more specific? ...Read more
Probably not: Oral allergy syndrome is usually caused by pollens and sometimes nuts. Claritin, zyrtec and Allegra (fexofenadine) can help with pollen allergies. But like any other allergy, it is best to stay away from the problem. Have an allergist test you and see what treatment would be best. ...Read more
Yes it can: That's why you need to know the triggers well, try to avoid them as much as you can, ask your doctor about keeping an Epipen (epinephrine) handy, just in case a severe reaction develops, see an allergist if you can for complete assessment. Check aaaai.org or acaai.org for an allergist in your area, good luck ...Read more
Are there any non-sedative antihistamines that work like doxylamine? It is the only drug that helps my allergies. Claritin/lortadine do not help.
Yes: Doxylamine has anti-allergy power superior to almost every other antihistamine on the market, with the exception of Diphenhydramine (benadryl), which is also sedating. Other than claritin/loratadine, there are other non-sedating antihistamines such as allergra (fexofenadine). Zyrtec (cetirizine) (ceterizine) is generally non-sedating although ~5% feel sedated with it. ...Read moreSee 1 more doctor answer
What are the risks of low-dose oral prednisone taken over 1 or 2 decades? I am a vet with allergies to pets. Antihistamines not effective anymore.
It depends how low: If the dose is low it will replace what your adrenal makes. Even at that level it is tough sometimes to get off of it. With high doses bad problems can occur in all areas of your body. Talk to your doctor or get another opinion about what is best. Thank you for your service. ...Read moreSee 1 more doctor answer
Had septoplasty/turbinectomy to clear stuffy nose. Still producing clear mucus/stuffy feeling. No allergies & oral antihistamines not effective. Ideas?
Severe symptoms such as runny nose, sore throat, sneezing caused by wood dust allergy. Is antihistamines the best drug to treat this symptoms?
YES: and also nasal rinse with normal saline. ...Read more
Is it right that for those who have allergies and are taking antihistamines, the mucus will become thicker?
Depends: First generation antihistamines have some antocholinergic properties that can thicken mucus. Second generation antihistamines not so much. Depends on what medication you are taking. ...Read more
Dust allergy: If possible at all, stay away from wall-to-wall carpeting, fabric window drapes. For forced- air heating systems, apply filters on registers, if not, vacuum your carpets daily using a hepa filter. Wipe dust off all surfaces (no feather dusters). Keep away dust collectors - books, stuffed animals from bedrooms. Encase mattresses and pillows in dust-mite resistant material. ...Read moreSee 1 more doctor answer
It's a start: It's a start. Usually not completely sufficient. Seeing an allergist and coming up with the best plan together is your best option. Other home remedies are avoidance of known triggers, no pets on bed or in bedroom, washing floors and sheets more frequently, salt water washes. See an allergist. ...Read more
May alter test: When allergy testing you expose the mast cells that release histamine to possible allergins. If allergic there is a histamine release. It is this histamine that gives you the watery eyes, runny nose and general allergic feeling. Taking antihistamines during testing would likely blunt the release and probably alter the results making you seem less allergic to the allergn. ...Read more
No response: The antihistamines block the natural immune response to a certain stimulus you may be allergic to. If you take them before an allergy test you may not respond appropriately. So the test results may be wrong. ...Read more
What is the best way to treat seasonal allergies if you can, t use antihistamines because of prostatitis ?
I have an allergy to latex. Is there a sublingual option for antihistamines or maybe an injection available? Please let me know.
No: There are no sublingual antihistamine or injected emergency forms. Recommend seeing an Allergist to better characterize the nature/severity of Allergy and to determine if you should be carrying an epipen for safety purposes. Know that if severe, you will do well to avoid live poinsettia plants during the holiday season. Benadryl (diphenhydramine) is fastest acting, but sedating. Zyrtec provides longer lasting effec ...Read more
I do believe the allergy shots indirectly are causing an inflammatory response in my body along with antihistamines adding to it. What can I do? I'm about to stop the shots. I do not want to gain anymore weight.
Don't understand how antihistamines work for chronic hives that is due to thyroid issues and not allergies?
Chronic Urticaria CU: CU can be associated with various autoimmune disorders. Even in the absence of hypo- or hyperthyroidism, patients with thyroid autoantibodies are often poorly responsive to standard therapies and have more persistent disease. Studies have examined the use of thyroid supplementation in the treatment of CU, with mixed results. Best treatment for this condition is daily antihistamines. See Allergist. ...Read moreSee 1 more doctor answer
It depends: It depends on the antihistamine and when you are exposed to the cause for your allergies. Antihistamine pills generally take at least 30 minutes to two hours to take effect and peak hours later. Pollen levels are highest in the morning, but if you are exposed to other allergens such as animal dander or dust, those levels would affect you at night. Take it a few hours before your worst time. ...Read more
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