What effect do antihistamines have on blood pressure?

Can antihistamines cause high blood pressure? If you’re already taking medication for high blood pressure, combining that with an antihistamine can increase your heart rate and raise your blood pressure.

Do antihistamines affect 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).

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 stroke level BP?

A hypertensive crisis is a severe increase in blood pressure that can lead to a stroke. Extremely high blood pressure — a top number (systolic pressure) of 180 millimeters of mercury (mm Hg) or higher or a bottom number (diastolic pressure) of 120 mm Hg or higher — can damage blood vessels.

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.

What antihistamines are safe for high blood pressure?

What Allergy Medicines Can I Take if I Have High Blood Pressure?

  • Allegra (fexofenadine)
  • Clarinex (desloratadine)
  • Claritin (loratadine)
  • Xyzal (levocetirizine)
  • Zyrtec (cetirizine)

Do antihistamines weaken 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 best decongestant for high blood pressure?

Coricidin HBP is the #1 selling† brand of powerful cold medicine specially formulated for those with high blood pressure. According to the American Heart Association (AHA), nasal decongestants in common cold medications may raise one’s blood pressure.

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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 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.

What sinus medication can I take with high blood pressure?

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.

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 allergies affect your heart?

In addition to pollen, other allergies can also affect the cardiovascular system. The combination of physical stress and a weakened immune system leads to a weakening of the heart muscle and can develop into a heart muscle inflammation.

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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