Is it safe to take Allegra everyday? (2024)

Is it safe to take Allegra everyday?

Key Takeaways. Newer antihistamines like Allegra and Claritin are generally safe for daily use. But allergy medications with decongestants, such as Claritin-D or Benadryl-D, could make your allergies worse with long-term use.

How many days can you take Allegra in a row?

Call your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash. If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken a cold or allergy medicine within the past few days.

Can taking antihistamine daily be harmful?

Official answer. Yes, most people can take antihistamines every day, if they have daily symptoms of their allergies. The number of times you take an antihistamine each day depends on the type of antihistamine.

Is it best to take Allegra at night or in the morning?

Some medications for treating allergies, like cetirizine (Zyrtec) and fexofenadine (Allegra) last 24 hours and don't need to be taken at night. But if you're combating allergy symptoms with a different antihistamine first thing in the morning, keep in mind that its effects will only last six to eight hours.

What is the best allergy medicine to take daily?

Allergists recommend long-acting, non-sedating antihistamines — ones that won't make you sleepy — for everyday use. Though you may know them by their brand names, the generic versions tackle the same problems: Cetirizine (Zyrtec®, Aller-Tec®, Wall-Zyr®). Fexofenadine (Allegra®, Aller-ease®, Aller-Fex®, Wal-Fex®).

Is it OK to take Allegra long-term?

Key Takeaways. Newer antihistamines like Allegra and Claritin are generally safe for daily use. But allergy medications with decongestants, such as Claritin-D or Benadryl-D, could make your allergies worse with long-term use.

Does Allegra need to build up in your system?

If you're waiting until your symptoms appear to take your meds, you're doing it wrong. Dr. Sweet says you need to think weeks ahead because you want the medication to build up in your system. "Antihistamines are far more effective working as preventive medication than actually treating acute symptoms," he said.

Can you take antihistamines every day for years?

If you're allergic to something that's often around, you may need longer treatment. Some people take antihistamines every day, but usually under medical guidance. If you find you're needing to take antihistamines long term, talk to your GP about this.

What's better Claritin or Allegra?

Another clinical trial in which participants took 10 mg of Claritin once a day or 120 mg of Allegra once a day showed that Allegra was better at relieving itchy, watery eyes, and nasal congestion. Allegra was also better at improving quality of life.

What are the side effects of prolonged use of antihistamines?

These common side effects include sedation, impaired motor function, dizziness, dry mouth and throat, blurred vision, urinary retention and constipation. Antihistamines can worsen urinary retention and narrow angle glaucoma. The antihistamines rarely cause liver injury.

Which works better Zyrtec or Allegra?

Allegra and Zyrtec are common over-the-counter drugs used to treat allergy symptoms. Both drugs are safe and effective, but studies show Zyrtec's effects may last longer than Allegra's. Zyrtec is more likely to cause drowsiness. Drinking fruit juices can make Allegra less effective.

What can you not mix Allegra with?

Do not take fexofenadine with fruit juice (such as apple, orange, or grapefruit). These juices can make it harder for your body to absorb fexofenadine. Avoid taking an antacid within 2 hours before or after you take fexofenadine.

What foods should you avoid when taking Allegra?

fexofenadine food

Consuming large amounts of certain fruit juices, including grapefruit, orange and apple, may decrease the levels of fexofenadine in your body.

What are the side effects of Allegra?

What side effects may I notice from receiving this medication? Side effects that you should report to your care team as soon as possible: Allergic reactions or angioedema—skin rash, itching, hives, swelling of the face, eyes, lips, tongue, arms, or legs, trouble swallowing or breathing.

What is the safest allergy medicine?

Medications that often can be safely used by people with significant allergies include nasal corticosteroids. In addition, antihistamines such as fexofenadine (Allegra), cetirizine (Zyrtec), loratadine (Claritin) and diphenhydramine (Benadryl) are very effective.

Can I take Allegra year round?

Newer “second-generation” antihistamines including Claritin, Zyrtec, and Allegra are generally safe to use regularly. However, Nimmagadda says, some people find that a given antihistamine becomes less effective over time.

Who should not take Allegra?

Caution is advised if you have diabetes, phenylketonuria (PKU), or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely. During pregnancy, this medication should be used only when clearly needed.

Can Allegra cause weight gain?

Summary. Antihistamines are a class of drugs that are used to treat allergy symptoms. While newer-generation antihistamines like Allegra and Zyrtec are less likely to cause drowsiness than older drugs like Benadryl, they have been linked to an increased risk of weight gain in some users.

Does Allegra lose effectiveness?

Key takeaways: If you have seasonal allergies and notice that your allergy medicine stops working, it might be because you've developed new allergies. People rarely develop a tolerance to allergy medications. Common medications like Zyrtec, Allegra, Flonase, and Claritin don't usually stop working.

Which is better Zyrtec or Claritin or Allegra?

Allegra: Which is best at relieving allergy symptoms? All three medications work well against allergies, but there are a few differences between them. For example, Zyrtec tends to start working slightly faster, but has a higher chance of causing drowsiness, than Claritin or Allegra.

What are the withdrawal symptoms of antihistamines?

Recurrence of previous or new symptoms (e.g. itching, rash, sneezing, watery eyes) may occur within 1-2 weeks of dose reduction. Withdrawal symptoms are usually mild (e.g. nausea, vomiting, headache, sweating, anxiety, dizziness), highly variable and can last up to 6-8 weeks.

What is a safe long term antihistamine?

Loratadine, cetrizine, and fexofenadine all have excellent safety records. Their cardiovascular safety has been demonstrated in drug-interaction studies, elevated-dose studies, and clinical trials. These three antihistamines have also been shown safe in special populations, including pediatric and elderly patients.

What is the safest antihistamine for seniors?

If necessary, the AAAAI recommends second- or third-generation antihistamines like cetirizine (Zyrtec), fexofenadine (Allegra), or loratadine (Claritin). But before dispensing any of these medications, check with a doctor or pharmacist to rule out any interactions with your loved one's medications.

What is the strongest OTC antihistamine?

Benadryl (diphenhydramine) is the strongest and most effective first-generation antihistamine, says Roberto Garcia-Ibáñez, M.D., a board-certified allergist and immunologist at The Allergi Group in Tampa, Florida. It's often administered in the emergency room to treat an allergic reaction, he adds.

Is Allegra the safest antihistamine?

Allegra has the lowest risk of sedation out of all antihistamines so is preferred if an antihistamine is needed for people working in safety-critical jobs. Even though Zyrtec is 3.5 times more likely to cause sedation than Allegra, it is still much less sedating than some older antihistamines such as promethazine.


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