Doctor insights on:
Allegra Safe On Dogs With Allergy
Long term: Allegra (fexofenadine) is a new generation, non-drowsy antihistamine with a good safety profile. In general antihistamines as a class have been around for decades and long term use has not been associated harmful side effects. Most clinical trials for safety are 1 year, but practically speaking, Allegra is safe for ongoing use. ...Read more
Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more
I have cat allergies. We just got a Siberian cat, but I am still having slight reactions. Is it safe to take Allegra (fexofenadine) everyday? Other tips?
Keep the cat out of the bedroom
HEPA air filter appropriate for the room size
HEPA vacuum cleaner
Smooth surface flooring and furniture
Consider a nasal steroid if worsening
consider allergy shots ...Read more
I have a 7 yr old that weighs 52 lbs that suffers from allergies, and his mom wants to give him Allegra (fexofenadine) everyday. Is that safe?
I have true allergy to Benadryl (diphenhydramine) (had hives when taking the dye-free for a headache.) is allegra safe for me? And would it help my allergic reactions?
Yes: Allergy to Benadryl (diphenhydramine) is rare if at all present. Allegra is quite different from Benadryl (diphenhydramine) in structure and thus should be safe for you. Make sure you are not allergic to the gelatin on the Benadryl (diphenhydramine) capsules. Whether Allegra would work for you or not is another issue but it should be no less effective than benadryl (diphenhydramine). ...Read more
Is it safe to take allegra (fexofenadine)-d or allegra (fexofenadine) when I have mild hypothyroidism (hashimoto) & take levothyroxine (25 mcg)? I have yr long allergies.
Yes: As long as you're on brand name replacement and have normal blood levels, and you take the other meds within the recommended doses. ...Read more
Is it safe to take allegra, sudafed, and nasonex (mometasone) together. I have allergies, but have a cold with sinus congestion right now.
Yes: They are different classes of medication that can be used together to treat your sinus symptoms. ...Read more
Is it safe to take a sinus pressure medication with Allegra (an allergy medication) I'm feeling stuffy and congested and I'm finding hard to sleep but?
What allergy medication is safe to take if have a history of kidney stones? Allegra, Zyrtec, Benadryl, (diphenhydramine) Claritin?
Breaking out head-toe from unknown contact allergy. Rash leaves scars. Waiting to see allergist. Derm said to take Zyrtec & Allegra together. Safe?
Yes safe, but: What are we treating? Is it contact allergy, then antihistamines won't help much, or is it a generalized reaction not related to a contactant? At any rate, follow the dermatologist advice until you see an allergist, good luck ...Read more
Breaking out head to toe from unknown contact allergy. Rash leaves scars. Waiting to see allergist. Derm said to take Zyrtec & Allegra together. Safe?
Yes OK to take both: We often recommend patients take allegra and zyrtec together for intense itching. It is best to take allegra in the morning (non drowsy) and zyrtec in the evening (can cause slight drowsiness). In rare instances we advise two allegras (180 mg each) plus two zyrtecs (10 mg each) for severe itching. The main side effect may be drowsiness from zyrtec ...Read more
I'm 10w pregnant & I've allergy that keeps getting worse sneezing itching ears & throat congestion & the PA prescribed allegra (fexofenadine)! Is it safe? Daily?
I'm 10w pregnant & I've allergy that keeps getting worse sneezing itching ears & throat congestion & the PA told me I can take allegra (fexofenadine)! Is it safe?
No Allegra (fexofenadine): Claritin (loratadine) and Zyrtec (cetirizine) are pregnancy category B medications which means that animal reproduction studies have failed to demonstrate a risk to the fetus. I frequently use these medications with my pregnant patients. Allegra (fexofenadine) is category C so I would avoid this medication and stick with the ones listed above. If concerned, talk to OB/GYN about specific medications. ...Read more
Allergies: Allegra (fexofenadine) and other antihistamines work up to a certain point and do not cure allergies, just control the symptoms. Some patients need more than one medication to control their allergies and some no longer respond to meds. Shots from a board certified allergist can provide you long term relief and decrease your dependence on medications and can potentially cure you. ...Read more
Without food: Fexofenadine (allegra) comes in 2 doses for adults, 60 mg. And 180 mg. The 60 mg dose is taken twice a day, every 12 hr. The 180 mg dose is taken once a day, usually in the morning and it is more effective than 60 mg, 2x/day. Fexofenadine should always be taken 1 hr. Before food because food, especially fatty food, interferes with fexofenadine absorption. ...Read more
Allegra (fexofenadine) allergy:
I am not quite sure of the question. Allegra (fexofenadine) is a non drowsy antihistamine to treat symptoms of allergic or non allergic rhinitis. The symptoms include runny stuffy nose, sneezing, itchy and watery eyes. It can also help itching of the skin.
If your question is not answered, please clarify the question. ...Read more
Allegra (fexofenadine) allergy: Allegra is a brand name for a medication used to treat hay fever and allergy symptoms. It is a type of anti histamine that reduces or blocks histamine. Histamine can cause itching, sneezing, runny nose, and watery eyes. Antihistamines stop these allergy symptoms. Allegra belongs to a newer generation of antihistamine medications that produce less drowsiness associated w older drugs like benadryl (diphenhydramine). ...Read more
Yes: Fexofenadine, or Allegra (fexofenadine) has no effect on the central nervous system or brain, even at high doses. There should be no sedation or impairment of your ability to take the exam. An interesting controlled study from the netherlands several years ago did show, however, that non-allergic students did better than allergic students even with treatment with clartin, a non-sedating antihistamiine. So study! ...Read more
Yes, but why: While it is best to avoid high doses of "d" which is pseudoephedrine-decongestant, an extra dose of Allegra (fexofenadine) is unlikely to be harmful. However, if a person needs extra medication, then it is best to do it under the direction of a physician and probably an allergist to assist in identifying the cause of the allergy. There are better ways to manage allergies than doubling up! ...Read more
I have the Allegra (fexofenadine) allergy 180 mg tablet and it expired 12/2015, is it bad to take it still?
Expired: I would advise against taking medication that has expired as it may not be effective. ...Read more
I started taking allegra (fexofenadine) d for my allergies my appetite decreased. Is this one of its side effects?
Could be related: Allegra (fexofenadine) d has not been usually associated with decreased appetite. The Pseudoephedrine which is the d part of the Allegra (fexofenadine) d can cause nausea in very few patients and if that is the symptom you are experiencing then you won't experience this with plain allegra (fexofenadine). ...Read more
Are there any negative side effects if I take one 180mg allegra (fexofenadine) tablet daily for years? I have allergies all yr.
Probably not, but: New generation antihstamines are in general safe and effective. However, the best treatment for year round allergies is 1) avoidance of the allergic trigger; 2) antihistamines like allegra; 3) topical nasal steroid sprays (most effective); 4) allergy injections--will provide relief in majority of people and decrease need for medications. ...Read more
I have always had allergies and I took allegra (fexofenadine) and it worked for months flawlessly except mental fog, now it won't help with allergies?
Choices exist: Some antihistamines help some people more than others. Zyrtec, Allegra, or Claritin are available as over the counter Rx. Switching may be helpful. There is available by prescription and OTC nasal steroid spray medications that are helpful. There are other medications such as oral antileukotrienes, nasal antihistamine sprays, & combination antihistamine/nasal steroid sprays available. See MD. ...Read more
Is it okay to take loratadine and Allegra (fexofenadine) together in the morning for combined effectiveness. Should I seek allergy shot. How good is it?
If I ignore my allergy symptoms, will they become worse over time? I have them all year long. Which is the best med for relief, allegra (fexofenadine)? I'm 35.
See below: Allergy symptoms do not necessarily become worse with time. The best med is the one that works. Loratidine, fexofenadine and Cetirizine are all good meds. You may benefit from some targeted therapy on top of this. Maybe additional topical meds for your skin, nose, eyes or lungs depending on your symptoms. ...Read more
No: No usually not. The cold and allergy medication might have the anti-allergic ingredients already. ...Read more
May see: A doctor to consider addition of steroid nasal spray or and leukotriene inhibitor. ...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
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