Why does allegra cause weight gain?

The researchers theorized that antihistamines have a similar chemical structure to certain psychiatric drugs that are known to be associated with weight gain. Antihistamines may also increase appetite, which can cause weight gain.

Does Allegra make you gain weight?

Newer drugs, including cetirizine (Zyrtec), fexofenadine (Allegra) and loratadine (Claritin), are less likely to cause weight gain, according to Long. Still, there’s an easy way to avoid the problem.

Why do antihistamines cause weight gain?

The body also can’t burn calories effectively when the histamine receptor is blocked, lowering metabolism. These biological changes result in increased appetite, overeating, slower fat breakdown and weight gain. Antihistamines can also make you feel tired and unmotivated to exercise.

Do allergy pills make you gain weight?

Over-the-counter allergy meds block the action of histamine, a chemical your body makes that causes many of the symptoms of allergies. Blocking histamine with an antihistamine like diphenhydramine may lead to weight gain.

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What are the side effects of Allegra?

What Are Side Effects of Allegra?

  • nausea,
  • diarrhea,
  • upset stomach,
  • muscle or back discomfort or pain,
  • sleepiness,
  • drowsiness,
  • tiredness,
  • headache, and.

Is it OK to take Allegra everyday?

May be given daily on a regular basis when allergens are most prevalent (such as during spring or summer). Fexofenadine is approved for use in children older than 6 months with chronic urticaria and those older than two years with seasonal allergic rhinitis. No dosage adjustment is required in liver disease.

How many days in a row can you take Allegra?

Adults and children 12 years of age and over. Take one 180 mg tablet with water once a day; do not take more than 1 tablet in 24 hours.

What are the side effects of long term 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.

Can antihistamines cause depression?

Can antihistamines cause depression? One study of 92 people with chronic itchiness saw that patients who took the antihistamines cetirizine and hydroxyzine reported an increase in depression and anxiety. The effects of all antihistamines on mood disorders have yet to be studied.

Do antihistamines suppress appetite?

In fact, one antihistamine, cyproheptadine, has been used for this purpose. There are many postulations as to why this occurs. One reason, which may be the most reasonable, is that histamine is known to reduce the appetite, and antihistamines, therefore, counteract this effect.

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Which is better Zyrtec or Allegra?

Both drugs were found to be equally effective in treating allergy symptoms, and Allegra was found to cause less drowsiness than Zyrtec. Another study showed that Zyrtec was more effective than Allegra, and that side effects were similar.

Is it better to take Zyrtec at night or in the morning?

Cetirizine can be taken at any time of the day. In most people it is non-sedating, so they take it in the morning. However, a percentage of people do find it to be sedating so if it does make you drowsy it is best to take it in the evening. Cetirizine can be taken with or without food.

Is Claritin or Zyrtec better?

For example, while Claritin is effective for treating hay fever and hives, other antihistamines, such as Zyrtec and Allegra, work better and faster and last longer. Zyrtec and Allegra work quickly for the treatment of allergic rhinitis and hives, typically within less than an hour.

What should you not take with Allegra?

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. Certain antacids can make it harder for your body to absorb this medicine.

What is the safest allergy medicine?

Share on Pinterest Zyrtec and Claritin are safe for most people with minor allergies, but side effects can include headaches and dizziness. Claritin and Zyrtec are effective and safe for most people with minor allergies.

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Can Allegra make you tired?

Fexofenadine is classed as a non-drowsy antihistamine, but some people still find it makes them feel quite sleepy. Common side effects include headaches, feeling sleepy, dry mouth, feeling sick and dizziness. Do not drink grapefruit juice, apple juice or orange juice while you’re taking fexofenadine.

No runny nose