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Doctor insights on: Allegra Blood Pressure Side Effect

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Dr. Ronald Krauser
360 Doctors shared insights

Fexofenadine (Definition)

Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more


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Is it possible that allegra (fexofenadine) d raise your blood pressure?

Is it possible that allegra (fexofenadine) d raise your blood pressure?

Possible: The "d" part of Allegra (fexofenadine) d is a decongestant that act by constricting blood vessels. So if one has BP problems probably best to avoid. One should also be monitored for BP problems while on these types of meds. ...Read more

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Is allegra (fexofenadine) bad for high blood pressure?

Generally not....: However, Allegra-D contains a medication that may elevate blood pressure. ...Read more

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I can't take allegra (fexofenadine) d due to my high blood pressure. What can I take?

I can't take allegra (fexofenadine) d due to my high blood pressure. What can I take?

Nasal steroid: Nasal steroid is now OTC and will likely be far more effective than Allegra D without the side effects. ...Read more

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Can you take 25mg Benadryl 12 hours after taking regular allegra? I take toprol (metoprolol) XL 50 mg for blood pressure

Can you take 25mg Benadryl 12 hours after taking regular allegra? I take toprol (metoprolol) XL 50 mg for blood pressure

Benadryl (diphenhydramine) Use: It should be "safe" unless you get too much sedation. Ask your primary care doc then take it only at night when you need to sleep anyway.

There are numerous other (possibly more effective) options as well.

Check with an ENT or allergy doc. ...Read more

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33 yr old/female. Dizziness and lightheaded. Taking allegra d, symbicort (budesonide and formoterol) and pro-air. Blood pressure 95/60. Why dizziness?

33 yr old/female. Dizziness and lightheaded. Taking allegra d, symbicort (budesonide and formoterol) and pro-air. Blood pressure 95/60. Why dizziness?

BP a bit low: Your BP is a bit low which maybe causing your dizziness. If the dizziness occurs often from rapid change of position from laying to sitting or standing, then likely it is due to low bp. If dizziness associated with change of head position/rapid rotation or up/down position, it is possibly vertigo. Keep well hydrated and take it easy for couple of days. If not better, consult doc. Good luck. ...Read more

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Does every day use of over-the-counter allegra (fexofenadine) allergy raise blood pressure?

Does every day use of over-the-counter allegra (fexofenadine) allergy raise blood pressure?

Should not: Plain Allegra (fexofenadine) is an antihistamine -fexofanadine. It does not cause high blood pressure except in very rare cases of hypersensitivity. Unlike many antihistamines, it does not tend to cause drowsiness.
On the other hand, Allegra (fexofenadine) d, can cause hypertension because it is made with addition of pseudoephedrine--a decongestant which constricts blood vessels & can also cause palpitations and nervousness. ...Read more

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I have seasonal allergy and taking allegra (fexofenadine) d 24 hour. My blood pressure is gone up. Can the drug be the cause? Will my BP go down when I stop?

I have seasonal allergy and taking allegra (fexofenadine) d 24 hour. My blood pressure is gone up. Can the drug be the cause? Will my BP go down when I stop?

The D in your meds: Is sudafed which is a stimulant, thus it can raise the blood pressure. Once u stop taking the meds, the BP should normalize. Consider switching to plain Allegra, Claritin (loratadine) or zyrtec which have minimal effect on bp. Take care! ...Read more

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I have low blood pressure, so have to be careful with meds I take. Can low dose aspirin OR Allegra (fexofenadine) allergy meds lower blood pressure?

I have low blood pressure, so have to be careful with meds I take. Can low dose aspirin OR Allegra (fexofenadine) allergy meds lower blood pressure?

No Not likely: Neither of these drugs have any effect on your blood pressure.
Low blood pressure is not a disease, so do not list it as such. BP on the lower end of the normal range is actually a good thing as long as you do not feel dizzy or faint when you stand up from a lying or sitting position. Most people can tolerate BP as low as 100/60 mm. ...Read more

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What are the differences between left and right side blood pressure?

What are the differences between left and right side blood pressure?

Some variance normal: Some small variance is normal, but if a significant difference, could indicate a vascular problem such as narrowing of one of the large blood vessels supplying your arms, or at the aorta. If any concern, could consider a ct scan or an mra to evaluate this. ...Read more

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I had my blood pressure this morning it was 101/64 in left side and 173/79 in right side?

I had my blood pressure this morning it was 101/64 in left side and 173/79 in right side?

Blood pressure: You ought to get that blood pressure difference rechecked by your doctor. That kind of blood pressure difference between sides if real can mean some problems in your arterial system. ...Read more

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What are the side effects of having high blood pressure?

What are the side effects of having high blood pressure?

Risk of High B.P.: Having high blood pressure puts you at risk for a heart attack, stroke, heart failure, chronic kidney disease, intracerebral hemorrhage, retinopathy etc. This is why a healthy well balanced diet, exercise, and antihypertensive medication (when needed) are vital to staying healthy. ...Read more

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What are the side effects of blood pressure meds (mavik)?

What are the side effects of blood pressure meds (mavik)?

Possible multiple: Mavik (trandolapril) is an angiotensin converting enzyme inhibitor, or " ACE". This is a very commonly used class of blood pressure lowering medication. Any blood pressure medication, if too strong, can make you feel weak or light headed, if the reduction in BP is too great. A side effect specific to ACE inhibitors is chronic cough. ...Read more

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Can you tell me some of the side effects of blood pressure meds (mavik)?

Can you tell me some of the side effects of blood pressure meds (mavik)?

Check: Most times the pharmacist can print out a detailed list of side effect. Side effect can vary from one to another best to get a list and check with your symptoms. ...Read more

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Please comment on Diovan (valsartan) for blood pressure, any side effects?

Please comment on Diovan (valsartan) for blood pressure, any side effects?

Diovan (valsartan): Very effective anti hypertensive medication with excellent tolerability and side effect profile. Most patients do not experience any side effects. ...Read more

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Is cozaar (losartan) 25mg good at lowering blood pressure with little side effects?

Is cozaar (losartan) 25mg good at lowering blood pressure with little side effects?

Cozaar (losartan) and BP: Cozaar (losartan) (C) is a very effective drug to lower blood pressure, if given in sufficient doses. That has very few adverse effects. If your blood pressure is controlled at 25 mg/day of C, that is fine. I prefer to start and keep my patients on 50 mg twice a day. Speak to your physician about how well controlled your BP is and if it is, that dose is fine for you. Good luck. ...Read more

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I'm 17yrs old female, blood pressure 120/80. Have a Severe pain coming from back right side of head. Also feel like im being sufficated?

I'm 17yrs old female, blood pressure 120/80. Have a Severe pain coming from back right side of head. Also feel like im being sufficated?

Your symptoms are: Concerning but we will not be able to diagnose you over the internet without being able to examine you. Make an appointment with a health care provider for evaluation and examination. ...Read more

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Which blood pressure medicine is safe for taking long terms, amlodepine or talmisartan or others with less side effects I m 38 years old.

Which blood pressure medicine is safe for taking long terms, amlodepine or talmisartan or others with less side effects I m 38 years old.

Both: Both are excellent for long term treatment. Amlodipine at 5 mg rarely causes side effects while at 10 mg, a significant percent of users may discover that their legs swell (harmlessly). Use whichever one costs less for you. ...Read more

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I've been taking 14 billion cultures probiotic everyday for a mo. My blood pressure has been lower side but still 'safe'. Stopping today. Am I okay?

Safe but see MD: Depends on why you were taking probiotics. If recommended by MD, would continue until followup visit. Alone, is not major cause of changing blood pressure, and will need to better understand the underlying symptoms and issues for which probiotics are being recommended, e.g. antibiotic use, diarrhea, abdominal pain, etc. Happy to consult. ...Read more

Dr. Milton Alvis, jr
2 Doctors shared insights

Blood Pressure (Definition)

Blood pressure is a measurement of the force placed on the blood vessels and is comprised of the "systolic" pressure (the top number on a blood pressure meter) which is the peak pressure when the heart is pumping, and the "diastolic" pressure (the bottom number on a blood pressure meter) which is the pressure during the resting phase ...Read more


Dr. Gary Sandler
2 Doctors shared insights

Side Effect (Definition)

A side effect is a potential negative effect of a medication that is being prescribed for ...Read more