What Are The Side Effects Of Long Term Use Of Antihistamines?

Is it safe to take antihistamines long term?

“The most common side effects you tend to see are fatigue, headaches, and dry mouth,” says Shih.

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..

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.

When should you not take antihistamines?

overactive thyroid gland. increased pressure in the eye. closed angle glaucoma. high blood pressure.

How can I strengthen my immune system?

Healthy ways to strengthen your immune systemDon’t smoke.Eat a diet high in fruits and vegetables.Exercise regularly.Maintain a healthy weight.If you drink alcohol, drink only in moderation.Get adequate sleep.Take steps to avoid infection, such as washing your hands frequently and cooking meats thoroughly.More items…•

How can I strengthen my immune system against allergies?

Immunotherapy is the only way that you can actually change your immune system and your responses to allergens like ragweed or pollen. With immunotherapy, or allergy shots, you receive injections containing the substance you’re allergic to.

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.

Do allergies weaken immune system?

However, if you do have ongoing allergies and they aren’t treated effectively, it could weaken your immune system and make you more susceptible to viruses and other germs. That, in turn, could enable your uncontrolled allergies to evolve into a sinus, ear, or upper respiratory infection.

Is it bad to take antihistamines to sleep?

While some over-the-counter antihistamines can cause drowsiness, routinely using them to treat insomnia isn’t recommended. Antihistamines, mainly used to treat symptoms of hay fever or other allergies, can induce drowsiness by working against a chemical produced by the central nervous system (histamine).

Do antihistamines build up in your system?

Antihistamines can ease your symptoms, but they work best when you take them before you feel a reaction. They can build up in your blood to protect against allergens and block the release of histamines. Ask your doctor if you should start taking allergy medicine a couple of weeks before you usually have symptoms.

Are antihistamines bad for you?

Antihistamines are safe when used as directed. Otherwise, there can be problems: Taking too much can be harmful for children and adults. Some people abuse the sedating antihistamines.

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.

What do antihistamines do to your immune system?

Antihistamines, with their ability to disrupt the immune response that leads to annoying reactions like runny noses and swelling tissues, have long been considered the ideal way to control allergies. But their long-term effects on the immune system are unknown.

What is the most common side effect of antihistamines?

Some of the main side effects of antihistamines include:Dry mouth.Drowsiness.Dizziness.Nausea and vomiting.Restlessness or moodiness (in some children)Trouble peeing or not being able to pee.Blurred vision.Confusion.

What is the best natural antihistamine?

The 4 Best Natural AntihistaminesAntihistamines.Stinging nettle.Quercetin.Bromelain.Butterbur.Takeaway.

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.