Do antihistamines affect your blood pressure?

“In general, antihistamines are safe in patients with high blood pressure and other forms of heart disease,” explains Richard Krasuski, MD, director of adult congenital heart disease services at the Cleveland Clinic in Ohio, but an antihistamine may elevate blood pressure or increase heart rate, according to the U.S. …

What is the best allergy medicine for someone with high blood pressure?

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

Which antihistamine does not increase blood pressure?

Second-generation antihistamines that are not combined with decongestants are generally safe to use if you are not taking the blood pressure medicines listed in the drug interaction section above. Second-generation antihistamines include the following: Allegra (fexofenadine) Clarinex (desloratadine)

Can I take Benadryl if I have high blood pressure?

Diphenhydramine should be used with caution (if at all) in persons with narrow-angle glaucoma, prostatic hypertrophy (enlarged prostate gland), hyperthyroidism, cardiovascular disease, high blood pressure (hypertension), and asthma.

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Can allergies affect blood pressure?

Allergies do not directly cause high blood pressure, but can be an indirect factor due to inflammation. High blood pressure can lead to a number of serious health concerns, like heart disease, which is why it is important to understand how allergies can lead to high blood pressure.

What is the best nasal decongestant for high blood pressure?

Phenylephrine. For those with high blood pressure, phenylephrine is an alternative to pseudoephedrine. They are in the same drug class known as nasal decongestants, which help relieve sinus congestion and pressure. You can buy products containing phenylephrine right off the shelf at the pharmacy.

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.

How do you lower high blood pressure quickly?

Here are 17 effective ways to lower your blood pressure levels:

  1. Increase activity and exercise more. …
  2. Lose weight if you’re overweight. …
  3. Cut back on sugar and refined carbohydrates. …
  4. Eat more potassium and less sodium. …
  5. Eat less processed food. …
  6. Stop smoking. …
  7. Reduce excess stress. …
  8. Try meditation or yoga.

Can too much antihistamine be bad?

Taking too much can be harmful for children and adults. Some people abuse the sedating antihistamines. They can cause seizures and hallucinations. Some antihistamines are combined with pain medicine.

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What is the safest 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.

Can I take Sudafed if I have high blood pressure?

Advertisement. To keep your blood pressure in check, avoid over-the-counter decongestants and multisymptom cold remedies that contain decongestants — such as pseudoephedrine, ephedrine, phenylephrine, naphazoline and oxymetazoline. Instead: Choose a cold medication designed for people who have high blood pressure.

Can flonase raise your blood pressure?

Fluticasone – the active ingredient in Flonase – has a strong affinity for the glucocorticoid receptor, this means it is less likely to cause salt and water retention (and therefore less likely to cause high blood pressure, low potassium levels, or high sodium levels).

What sleep aid can I take with high blood pressure?

If you have high blood pressure and are experiencing pain and sleeplessness TYLENOL® PM may be an appropriate pain reliever/nighttime sleep aid option for you. SIMPLY SLEEP® may also be an appropriate nighttime sleep aid for those with high blood pressure who experience occasional sleeplessness without pain.

Is 150 90 A good blood pressure?

The latest clinical guidelines issued by the Joint National Committee in 2014 define hypertension as blood pressure above 140/90, but they call on clinicians and patients to aim for a pressure below 150/90.

Can blocked sinuses cause high blood pressure?

If your allergies cause nasal congestion at night, they could interfere with your breathing when you sleep. This can promote, or worsen, the type of gasping-for-breath snoring known as sleep apnea, which can raise blood pressure.

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Can Benadryl lower your blood pressure?

Ensure you maintain good oral hygiene if you are taking Benadryl long-term. Stand up slowly when going from a sitting or lying down position. Benadryl may cause a drop in blood pressure which may cause symptoms such as dizziness and increase your risk of falls.

No runny nose