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Doctor insights on: How Does Claritin Help My Allergies

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How does Claritin (loratadine) help my allergies?

How does Claritin (loratadine) help my allergies?

Blocking histamine: Claritin (loratadine) is one of a group of drugs called antihistamines. These block the natural chemical histamine from binding to its receptors which then trigger your body into having an allergic reaction. So, basically, you have histamine in your system which increases when you are exposed to something you are allergic to. Claritin (loratadine) and others block that histamine from hurting you. ...Read more

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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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My throat is hurting, how can i tell the difference between an infection and allergies?i take Benadryl (diphenhydramine) and claritin,anything i can take to help me out

My throat is hurting, how can i tell the difference between an infection and allergies?i take Benadryl (diphenhydramine) and claritin,anything i can take to help me out

Infx vs allergy: Symptoms of allergy vs. infection can overlap and distinction can be difficult. Allergy symptoms will usually readily improve with Benedryl, Zyrtec, Claritin or nasal sprays, but will often relapse when the medication has worn off. Infections are generally associated with more fatigue, achiness, fever and colored nasal discharge of sputum from cough. ...Read more

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How can I reduced exercise-induced rhinitis? I take zyrtec (cetirizine) daily for allergies but it doesn't seem to help with rhinitis.

How can I reduced exercise-induced rhinitis? I take zyrtec (cetirizine) daily for allergies but it doesn't seem to help with rhinitis.

Get Singulair (montelukast): If zyrtec not helping go to your doctor and get nasal steroids and/ or singulair (montelukast), (montelukast) just keep in mind might take up to 6 weeks for singulair (montelukast) to start working, however once it works it will control symptoms of allergic rhinitis. ...Read more

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How can I relieve my eye allergy?

How can I relieve my eye allergy?

Eyedrop: Cromolyn, ketotifen eyedrops otc or rx like Patanol/Pataday which are very commonly prescribed. Make sure it is eye allergy and something else. Pink eye is usually viral. Herpes eye infection? Foreign body? Go to ER or eye doctor right away. ...Read more

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How can I help allergies?

How can I help allergies?

Agree with see doc.: There are also some things you can use otc. First saline rinses can help with the congestion. Secondly, there are several good antihistamines available, like zyrtec, allegra, or claritin (loratadine). If you wish to know what is triggering your allergies or for other treatments, see your physician. ...Read more

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If my child is allergic to weeds and pollen besides zyrtec (cetirizine) what else will help. I've tried clariton as well?

If my child is allergic to weeds and pollen besides zyrtec (cetirizine) what else will help. I've tried clariton as well?

Allergen Avoidance: Avoiding those things that cause allergies is paramount in allergy symptom control. In your child's case it may be difficult as it would require staying indoors (you very well might just have to if symptoms are severe). Otherwise, once your child has been outdoors wash his nostrils with saline spray to "flush" any allergens (allergy producing substances). You may give Benadryl (diphenhydramine) or nasal steroids. ...Read more

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What can I do to help soothe my eye itch from allergies?

What can I do to help soothe my eye itch from allergies?

Eye itch: An over the counter eye drop, zaditor, (ketotifen) helps, if not other prescription eye drops help, see an allergist for ultimate control of your allergies. ...Read more

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How can I control my allergies better?

It depends: You don't tell us what symptoms you have and what you are already doing about them. If y ou have mainly allergies to the environment affecting your eyes and nose, avoidance, closing windows and taking antihistamines would be the first measure to take. For more specific advice i would need to know what y our symptoms are and what y ou have already done. ...Read more

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Can i take zyrtec (cetirizine) while pregnant? If not, what can i take to ease my allergies (sneezing, itchy eyes and ears, runny nose)?

Can i take zyrtec (cetirizine) while pregnant?  If not, what can i take to ease my allergies (sneezing, itchy eyes and ears, runny nose)?

Confirm: I would suggest a saline rinse for nose and eyes. It should be safe, but please check with your local pharmacy and OB. They have up to date computerized information. Using a HEPA filter at home and avoiding triggers will also help. ...Read more

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How does Benadryl (diphenhydramine) help reduce allergy symptoms?

How does Benadryl (diphenhydramine) help reduce allergy symptoms?

Reduces histamine: It decreases the amount of chemicals, such as histamine( hence it is an antihistamine), an allergic person's body produces in response to allergens, which could be anything from pollen and pet dander to substances which cause skin rashes. ...Read more

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How often should I take Claritin (loratadine) for my allergies?

How often should I take Claritin (loratadine) for my allergies?

Depends: Claritin (loratadine) 10 mg is dosed once a day. To get the best results, it should be taken before the allergy season begins and before a known allergen exposure (such as going to a home with a cat if you are cat allergic). Claritin also comes in a combination with a decongestant (pseudoephedrine), called Claritin d24 (taken once a day) and Claritin d12 (taken twice a day about 12 hours apart). ...Read more

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What else I can do to reduce my allergys symptoms if i'm already on Claritin and nasonex (mometasone)?

What else I can do to reduce my allergys symptoms if i'm already on Claritin and nasonex (mometasone)?

See an allergist: I would recommend seeing an allergist to determine what is causing your symptoms. You may be able to avoid some of your allergens. You might also be a candidate for allergy shots, which are a cure for allergies. ...Read more

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Zyrtec (cetirizine) is not working to help reduce allergy symptoms. What else can I do?

Zyrtec (cetirizine) is not working to help reduce allergy symptoms. What else can I do?

Other ideas: Try an otc sinus rinse product. If that's not working, the next step is a prescription nasal steroid spray. If that's not working, you should see an alergist. ...Read more

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I use Flonase nose spray for allergies but it makes my symptoms worse can anyone tell me why?

I use Flonase nose spray for allergies but it makes my symptoms worse can anyone tell me why?

Maybe: Flonase contains alcohol and a rosewater smell which may be irritating to some. Also if the spray is used improperly it can be irritating to the septum and nasal mucosa. Also some people are steroid resistant, making the drug innefective. ...Read more

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How can I reduce my allergy symptoms?

How can I reduce my allergy symptoms?

Identify, avoid, med: In order to reduce allergy symptoms, it is key to identify what the allergy is. See an allergist for testing. After identification, avoidance measures as possible followed by medications. If one is still suffering from allergies despite avoidance measures and medications, then allergy injections may be a very good option. ...Read more

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How can I get help treating my allergies?

How can I get help treating my allergies?

Lots of resources: Start with family members who have allergies. I like to say that "noses run in families" (allergy joke). So who's helping them with their allergies? Next your primary care physician - a trustworthy, knowledgeable resource. You can call your county medical society for names or find an allergist at www.Aaaai.Org & www.Acaai.Org. Think twice about those who advertise. ...Read more

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How can I treat my mattress so my allergies will stop?

How can I treat my mattress so my allergies will stop?

Encase: If you suffer from dust mite allergy, you can get a dust mite proof cover for your mattress and pillows. A hepa ait filter for the bedroom also helps. Consult an allergist for different options on getting rid of your allergies. ...Read more

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What can I take that will help my hay fever?

What can I take that will help my hay fever?

Multiple options: "hay fever" often refers to allergic rhinitis or other forms of rhinitis or a runny nose. The runny nose and congestion are caused by chemical mediators like histamine or leukotrienes. So taking antihistamines like Benadryl (diphenhydramine) and loratidine (claritin) help block the chemical mediators your body produces and helps stop the symptoms. Nasal sine, decongestants, steriid nose prays can help as well. ...Read more

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How can I get allergy relief for my watering eyes?

How can I get allergy relief for my watering eyes?

Depends: First, you need to make sure the watery eyes are indeed caused by an allergy. Dry eye syndrome can cause that as well, and treatment would be different. For watery eyes due to allergies you can use an antihistamine eye drop, like pataday, and/or an oral antihistamine like zyrtec (cetirizine). Please check with your doctor first, to establish the cause. ...Read more

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Dr. Ashraf Abdel Azeem
537 doctors shared insights

Claritin (Definition)

Claritin is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more