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Doctor insights on: Hydralazine Allergy In Children

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What is the normal frequency for using hydralazine hcl?

What is the normal frequency for using hydralazine hcl?

Do you mean dosage?: The normal dosage for adults is 0.143 to 0.357 mg/kg per 6 hours orally to start, then after many weeks 0.143 to 0.357 mg/kg per 6 hours as needed. If given iv, 5-10mg per 10-15 min to a maximum of 50mg. ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Asprin to replace hydralazine, what to do?

Asprin to replace hydralazine, what to do?

See below: Not sure of your question. Those are two completely different drugs used for totally different things. Aspirin is an anti-platelet drug to make your platelets less sticky so they don't form clots in the blood vessels that could lead to heart attack or stroke. Hydralazine acts on the blood pressure, pulse rate, and dilation of the blood vessels. ...Read more

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Can asprin be used to replace hydralazine?

Can asprin be used to replace hydralazine?

Different things: They're quite different things.

Aspirin is an anti-inflammatory, anti platelet agent, pain med.


Hydralizine dilates blood vessels, and is used for heart failure and or blood pressure. ...Read more

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When is the drug hydralazine used?

When is the drug hydralazine used?

Few reasons: It's a vasodilator (dilates blood vessels) and has a couple of common uses

1: it can be used for high blood pressure, although usually not a first choice these days since its dosed frequently when given in pill form.

2: it's used in heart failure. It's called an after-load reducer. Basically makes it easier for a weakened heart (heart failure) to push blood out to the body. ...Read more

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Hydralazine side effects?

Hydralazine side effects?

Fatigue, see below: Most side effects are rare, but of the ones that patients are more likely to experience with this med, fatigue/tiredness, diarrhea, and upset stomach are more common. It rarely, and I mean rarely, can cause symptoms similar to systemic lupus erythematosis (sle or lupus). This drug induced lupus is reversible when the med is stopped. I think Labetalol during pregnancy is a better option. ...Read more

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What are hydralazine side effects?

What are hydralazine side effects?

Hydralazine: Diarrhea, headaches, loss of appetite, increased heart rate, nausea/vomiting, depression, lupus, & vit. B6 deficiency. ...Read more

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How does hydralazine block the vagus nerve?

How does hydralazine block the vagus nerve?

Not a MOA: Hydralazine is a direct smooth muscle relaxer based on its intracellular action on Calcium. In situ, it does not appear to have a direct effect on the vagus nerve, but rather may have an effect on the sinoatrial node and a reflex response (increased heart rate) due to the decreased blood pressure (baroreceptor response). ...Read more

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Does hydralazine work by blocking the vagus nerve?

Hydralazine: It relaxes vascular smooth muscles, resulting in dilation of arteries & arterioles (small vessels). ...Read more

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I take Diovan (valsartan) hct, can I subsitute this medication with hydralazine hcl?

I take Diovan (valsartan) hct, can I subsitute this medication with hydralazine hcl?

Should not: These are not the same class of medications, so a substitution depends on the original indcation. Check with your prescribing physician. ...Read more

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If I was prescribed Diovan (valsartan) hct, can I subsitute it with hydralazine HCl for cost purposes?

If I was prescribed Diovan (valsartan) hct, can I subsitute it with hydralazine HCl for cost purposes?

Yes and no: They are both blood pressure medicines, but they work very differently.

Because they work differently, they have different scenarios we use them in. ...Read more

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I have ptsd and take seroquel (quetiapine) I have nightmares is it alright to take prazosin if I take hydralazine?

I have ptsd and take seroquel (quetiapine) I have nightmares is it alright to take prazosin if I take hydralazine?

Possibly: This might be a possibility, but your blood pressure will need close monitoring you'll also need to be careful about getting up from a laying down position, at least initially. Your doctors need to confer, and each know about your full list of medicines. Doses may need adjusting. ...Read more

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What would happen if I took hydroxyzine instead of hydralazine?

What would happen if I took hydroxyzine instead of hydralazine?

Hydralazine: Skipping blood pressure medication can result in headache & other symptoms of elevated pressure. Hydroxyzine or Atarax or vistaril (hydroxyzine) are antihistamines & temporarily cause sedation. ...Read more

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Does hydralazine cause hair loss?

Does hydralazine cause hair loss?

Not typically: Hair loss is not typically a side effect one sees with hydralazine. If you have concerns about this then you should see your doctor or a dermatologist. ...Read more

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What is hydralazine used for?

What is hydralazine used for?

Hydralazine: Is a smooth muscle relaxant used to treat high blood pressure. Also, in early research phase it is studied for use in slowing progression of multiple sclerosis. ...Read more

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Can I take Viagra while taking Lisinopril (40mg), Coreg (25mg)and Hydralazine (50mg twice a day)?

Can I take Viagra while taking Lisinopril (40mg), Coreg (25mg)and Hydralazine (50mg twice a day)?

Here are some...: To date, to use Viagra with any nitrate is an absolute contraindication; for beta-blocker like Coreg and other antihypertensive agents like Lisinopril & hydralazine, it is still advisable no to take Viagra within a vicinity of 6-8 hours, but still with caution. For ED, welcome to Sexuality. .. in http://formefirst. Com/onSexLife-ED-CareOptions. Html. Best to health and safety, ... ...Read more

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I'm on 200mg hydralazine 750mg metadopa and 90mg procardia (nifedipine) and my blood pressure is still out of control. What meds are going to work?

I'm on 200mg hydralazine 750mg metadopa and 90mg procardia (nifedipine) and my blood pressure is still out of control. What meds are going to work?

Not usual: I agree with dr. Averbuch. A more in depth understanding of what is underlying your hypertension is indicated. Or it may be that a different mix of meds is indicated. See a BP specialist, cardiologist or nephrologist. ...Read more

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Which blood pressure meds are least likely to cause redness and a rash on the face? I am currently on Hydralazine 25 mg, 1/2 the dose same reactions

Which blood pressure meds are least likely to cause redness and a rash on the face? I am currently on Hydralazine 25 mg, 1/2 the dose same reactions

Rash on face: Yes hydralazine can cause a lupus like facial rash. Stop the medication and follow up with whichever physician started you on the medication=primary care physician or cardiologist. There many other medications to control your blood pressure. ...Read more

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Can I take Hydralazine 10mg PRN for high blood pressure if it spikes over 150/90 as a PRN medication? I currently take 5mg of Benicar (olmesartan) 2x daily.

Can I take Hydralazine 10mg PRN for high blood pressure if it spikes over 150/90 as a PRN medication? I currently take 5mg of Benicar (olmesartan) 2x daily.

See below: You should consult your doctor regarding your medications. Unsure what time of the day your BP is running high. There's no harm taking it as needed but you should definitely get an evaluation before making any changes to your medical regimen. ...Read more

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Why does hydralazine work in treating congestive heart failure in african americans?

Why does hydralazine work in treating congestive heart failure in african americans?

Unloads the heart: Hydralazine dilates the blood vessels, lowers the blood pressure and unloads the heart. This along with nitrates is particularly helpful if unable to take or have insufficient BP lowering from ace inhibitors/ arb. ...Read more

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What medication is good to take to stop nightmares? I have ptsd and take seroquel (quetiapine) I've been told about prazosin but I already take hydralazine

What medication is good to take to stop nightmares? I have ptsd and take seroquel (quetiapine) I've been told about prazosin but I already take hydralazine

Multiple options: There are multiple options that may help ptsd-related nightmares -- and even though you're on hydralazine, prazosin may still be one of them. It would require monitoring your BP carefully. Others include trazodone, topiramate, gabapentin, cyproheptadine, etc. Also there are cognitive behavioral therapy, image rehearsal therapy, hypnosis, etc: http://tinyurl. Com/knwnnet. ...Read more

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Have diabetes some PN, tried amlodipine but it caused horrendous burning in legs. Dr now suggesting hydralazine. Can that aggravate neuropathy?

Have diabetes some PN, tried amlodipine but it caused horrendous burning in legs. Dr now suggesting hydralazine. Can that aggravate neuropathy?

Possibly: Control of blood sugar is always first line treatment. Then medicines to treat depression, such as tricyclic antidepressants and the antidepressant duloxetine hydrochloride. Other medicines that control seizures, such as pregabalin and gabapentin are helpful. I have not heard of amlodipine treatment nor hydralazine. In fact hydralazine
& amolidpine can CAUSE a neuropathy, . ...Read more

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How does isosorbide dinitrate and hydralazine work in treating congestive heart failure?

How does isosorbide dinitrate and hydralazine work in treating congestive heart failure?

A-HEFT Trial: A large trial looked at the combination of hydralazien and Isordil (isosorbide dinitrate) with african american patients and showed a benefit of improving heart failure status, on top of standard medical therapy. It is thought to be believed due to lack of Nitric Oxide delivery to endothelium in african americans, that is improved by this therapy. Blood pressure tends to be higher in the first place, which improves. ...Read more

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What are the most potent vasodilators? Hydralazine? Sildenafil? Imdur? What are the systemic dilators, veins, arteries, capillaries?

What are the most potent vasodilators? Hydralazine? Sildenafil? Imdur? What are the systemic dilators, veins, arteries, capillaries?

Hydralazine: There are vascular dilators that act primarily in the arteries which are generally potent such as Hydralazine and those that act on the veins and capillaries such as nitrates (Imdur) and those that act on both the veins and arteries such as Sildenafil and calcium channel blockers. The most potent of them all given only in intravenous route is Nitropusside ...Read more

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To control CHF is it normal to prescribe hydralazine alone or with isosorbide dinitrate? She has no hypertension, but AF. Headache+AF worsens wt these

To control CHF is it normal to prescribe hydralazine alone or with isosorbide dinitrate? She has no hypertension, but AF. Headache+AF worsens wt these

Yes: The combination of hydralazine and isosorbide reduce filling pressures in the heart, reduce the amt of work the heart must do, & reduce the changes in structure to the heart that heart failure brings. This is for heart failure where the ejection fraction is less than 40%. ...Read more

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27 weeks pregnant with pre-eclampsia. Blood pressure is averaging 140/100. On lebetalol 600mg 2x a day. Ob just added hydralazine. How long to work?

27 weeks pregnant with pre-eclampsia. Blood pressure is averaging 140/100. On lebetalol 600mg 2x a day. Ob just added hydralazine. How long to work?

Pre-eclampsia: Most medications for blood pressure should take effect within a 24 hr period but realize that it is important to monitor your blood pressure over time and not just spot measurements. Some people may be resistant to some medications but you are on the correct regimen. Continue to take them as prescribed and it would be helpful to keep a daily log for your ob/gyn. ...Read more