Quick Answer: What Are The Side Effects Of Long Term Use Of Antihistamines?

Is it safe to take antihistamines long term?

If you’re someone for whom the benefits of regular antihistamine use far outweighs the occasional minor side effect, longterm use is safe for most adults and children, he adds.

All that said: over-the-counter medication is still medication, and should be treated accordingly..

Is it OK to take antihistamines every day?

Depending on your symptoms, you can take antihistamines: Every day, to help keep daily symptoms under control. Only when you have symptoms. Before being exposed to things that often cause your allergy symptoms, such as a pet or certain plants.

What is the most common side effect of antihistamines?

Some of the common side effects of first-generation antihistamines include:Drowsiness.Dry mouth, dry eyes.Blurred or double vision.Dizziness and headache.Low blood pressure.Mucous thickening in the airways.Rapid heart rate.Difficulty urinating and constipation.

Are antihistamines bad for you?

Antihistamines are generally safe medicines. But if you take very high doses, you’ll be more likely to get side-effects. If you take too much of a sedating antihistamine, such as chlorphenamine, you may feel unusually sleepy or have a very dry mouth. Extremely high doses can cause fits (seizures).

Do antihistamines weaken immune system?

Most anti-allergy medications do not affect immunity, but it does depend on the medication. Medication such as antihistamines and Montelukast are generally considered safe so you should continue to use these. To the best of our knowledge, there is no reason to think that antihistamines would lower the immune response.

Are antihistamines bad for your liver?

The antihistamines rarely cause liver injury. Their relative safety probably relates to their use in low doses for a short time only.