Check out our most popular compounded medications! Get Started
Dashboard
Formulas

Prazosin HCl 1 mg/ml Oral Liquid

FDA-approved generic
Dose form
Oral Liquid
Active ingredients
Prazosin Hydrochloride

Prazosin HCl 1 mg/ml Oral Liquid is a specially compounded medication designed for oral use, offering a precise 1 mg per milliliter concentration of Prazosin Hydrochloride. This liquid formulation is particularly beneficial for patients who experience difficulty swallowing pills, such as children and the elderly. It ensures accurate dosing and ease of administration for those requiring medication management for hypertension, as Prazosin is an antihypertensive agent. Additionally, this formulation is utilized in the treatment of benign prostatic hyperplasia, providing symptom relief for men with this condition.

View more
For prescribers
Prescription details
RxThis formula
Dose formSee below
Quantity____
SigAs directed by prescriber
Refills____
PharmacyBayview Pharmacy, Warwick RI, NCPDP 4106882
Copy prescription detailsOrder form
Controlled substance: e-prescribe (EPCS) from your EHR. Faxed and phoned prescriptions cannot be accepted for this preparation.
Send it from your EHR, or fax to (401) 284-4506. How to e-prescribe this formula
Licensed to fill prescriptions for patients in RI, MA, CT, NJ, NH, FL, ME and PA. New York patients are served on a limited basis while nonresident registration is pending.
To prescribe, you must be a verified prescriber.
To prescribe, you must be in a state where we hold an active out-of-state pharmacy license.
Starting at
Fill my prescription
Fill my prescription
Requires a prescription from your own provider. Bayview is a pharmacy and does not prescribe.
Ships within 1 to 2 business days after pharmacist verification
HSA and FSA eligible
Check if we ship to your state
No prescription yet?

Get a one-page sheet with everything your doctor needs to prescribe this and send it to Bayview.

Licensed to fill prescriptions for patients in RI, MA, CT, NJ, NH, FL, ME and PA. New York patients are served on a limited basis while nonresident registration is pending.

For prescribersSign in for prescription details and order forms.
Compounded preparations are prepared by Bayview pursuant to a prescription for an individual patient. They are not FDA-approved and have not been evaluated by FDA for safety or effectiveness.
Prazosin Hydrochloride
Oral Liquid
65cf8af56da1c2767bdfcf4b
Service area

Can we ship this formula to your state?

Bayview fills prescriptions for patients in Connecticut, Florida, Maine, Massachusetts, New Hampshire, New Jersey, Pennsylvania and Rhode Island. New York patients are served on a limited basis while nonresident pharmacy registration is pending.

Check your state

Available in

Tap a state to check it.

Our current service area

Currently licensed Limited basis, registration pending Not available for this formula Not currently licensed

Select a state on the map or use the checker.

Formula Information

A small arrow pointing down

Prazosin HCl 1 mg/ml Oral Liquid is a specially compounded medication designed for oral use, providing patients with a precise 1 mg dose of Prazosin per milliliter of liquid. This formulation is particularly beneficial for individuals who have difficulty swallowing pills, such as children and the elderly, or for those who require tailored dosing that is not available in standard tablet forms. Prazosin is an alpha-1 adrenergic receptor antagonist, which means it works by blocking the receptors that are responsible for vascular smooth muscle contraction. This action results in the relaxation of blood vessels, leading to a decrease in blood pressure. Therefore, this medication is primarily used in the management of hypertension (high blood pressure).

It is commonly prescribed for the treatment of benign prostatic hyperplasia (BPH), a condition in which an enlarged prostate gland causes urinary difficulties in men. Prazosin helps to alleviate the symptoms of BPH by relaxing the muscles in the prostate and bladder neck, making it easier to urinate. Furthermore, Prazosin has been used off-label for the treatment of nightmares related to post-traumatic stress disorder (PTSD), as it can help reduce the occurrence of nightmares and improve sleep quality in affected individuals.

For prescribers, it is important to note that the dosing of Prazosin must be individualized based on the patient's response and tolerance to the medication. The liquid formulation allows for flexible dosing adjustments, which is particularly useful in titration protocols. Patients should be monitored for signs of hypotension, especially after the initial dose and subsequent dose increases. Prazosin can be taken with or without food, but consistency in relation to meals should be maintained to avoid fluctuations in drug absorption. As with any antihypertensive therapy, abrupt withdrawal should be avoided as it may lead to rebound hypertension.

Patients should be counseled on the potential side effects of Prazosin, which may include dizziness, headache, drowsiness, lack of energy, weakness, palpitations, and nausea. They should be advised to rise slowly from sitting or lying positions to minimize the risk of orthostatic hypotension (a sudden drop in blood pressure upon standing). It is also important for patients to understand the importance of adherence to their prescribed dosing schedule and to not adjust the dose without consulting their healthcare provider.

At Bayview Pharmacy, we are committed to providing high-quality, customized medications to meet the unique needs of each patient. Our team of knowledgeable compounding pharmacists is available to answer any questions and provide guidance on the use of Prazosin HCl 1 mg/ml Oral Liquid. If you have any questions or require further information, please do not hesitate to reach out to us.

Drug Interactions

A small arrow pointing down

Prazosin HCl, an alpha-1 adrenergic receptor antagonist, is used primarily to treat hypertension and benign prostatic hyperplasia. It works by relaxing the blood vessels, allowing blood to flow more easily, and relaxing the muscles in the prostate and bladder neck, making it easier to urinate. When considering the use of prazosin in a 1 mg/ml oral liquid formulation, it is important to be aware of potential drug interactions that may affect the efficacy and safety of the medication.

Firstly, prazosin can interact with other blood pressure-lowering medications, including diuretics, beta-blockers, ACE inhibitors, and calcium channel blockers. The concurrent use of these medications with prazosin may lead to an additive hypotensive effect, which could result in excessive lowering of blood pressure, dizziness, or fainting. Patients should be monitored closely for signs of hypotension, especially when starting or increasing the dose of prazosin.

Phosphodiesterase-5 inhibitors, such as sildenafil, tadalafil, and vardenafil, used for erectile dysfunction, can also potentiate the blood pressure-lowering effects of prazosin. Patients using these medications together should be advised of the potential for symptomatic hypotension and counseled to take precautions, such as sitting or lying down if symptoms of dizziness or lightheadedness occur.

Concomitant use of prazosin with CNS depressants, including alcohol, benzodiazepines, opioids, and tricyclic antidepressants, may increase the risk of CNS depression, resulting in drowsiness, impaired thinking, or slowed reactions. Patients should be cautioned about operating heavy machinery or driving until they know how prazosin affects them when used in combination with these substances.

Additionally, nonsteroidal anti-inflammatory drugs (NSAIDs) may reduce the antihypertensive effects of prazosin. Patients taking NSAIDs should be monitored for reduced efficacy of prazosin, and dosage adjustments may be necessary to maintain blood pressure control.

Patients should also be aware that prazosin can interact with certain supplements and foods. For example, consuming large quantities of foods or supplements high in calcium may counteract the effects of prazosin, as calcium can promote vasoconstriction. Patients should discuss their diet and supplement use with their healthcare provider to ensure optimal management of their condition.

It is crucial for patients and prescribers to be aware of these potential interactions when considering the use of prazosin HCl 1 mg/ml oral liquid. Close monitoring, especially during initiation and following dosage adjustments, is recommended to ensure safe and appropriate use of the medication. If you have any questions or concerns regarding drug interactions with prazosin or require further information about this formulation, please reach out to us at Bayview Pharmacy for personalized advice and support.

How Does it Work

A small arrow pointing down

Prazosin HCl, the active ingredient in this 1 mg/ml oral liquid formulation, is a medication that belongs to a class of drugs known as alpha-1 adrenergic blockers. Prazosin works by blocking the alpha-1 adrenergic receptors in the body, which are found in the vascular smooth muscle. By inhibiting the action of these receptors, prazosin causes the blood vessels to relax and dilate, which leads to a decrease in blood pressure.

Prazosin's ability to relax the smooth muscle in the prostate and bladder neck improves urine flow and reduces the symptoms of BPH. Furthermore, prazosin is sometimes used off-label for the treatment of nightmares related to post-traumatic stress disorder (PTSD), as it can interfere with the body's stress response that may contribute to these nightmares.

The oral liquid formulation of prazosin HCl is particularly advantageous for patients who have difficulty swallowing pills, such as young children, the elderly, or those with dysphagia. The liquid form allows for flexible dosing, which can be precisely measured to meet the individual needs of the patient. It also offers a faster onset of action compared to solid dosage forms, as the liquid does not need to be broken down in the stomach before the medication is absorbed. This can be especially beneficial when rapid relief of symptoms is desired.

Dosing should be individualized based on the patient's response and tolerance to the medication. Patients should also be monitored for potential side effects, such as dizziness or fainting, particularly when first starting the medication or increasing the dose. As with any medication, adherence to the prescribed regimen and regular follow-up with a healthcare provider are crucial to ensure the best therapeutic outcomes.

If you have any questions about this prazosin HCl 1 mg/ml oral liquid formulation or its use in treating hypertension, benign prostatic hyperplasia, or PTSD-related nightmares, please do not hesitate to reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide you with the information and support you need to effectively manage your health or the health of your patients.

Frequently Asked Questions

A small arrow pointing down

What is Prazosin HCl 1 mg/ml Oral Liquid used for?

Prazosin HCl 1 mg/ml Oral Liquid is used to treat high blood pressure, or hypertension. It can also be prescribed for other conditions such as benign prostatic hyperplasia or certain types of heart failure, as per physician's discretion.

How should I take Prazosin HCl Oral Liquid?

The medication should be taken exactly as prescribed by your healthcare provider. Typically, it is taken once or multiple times a day, and can be taken with or without food. Shake the bottle well before each use and measure your dose with the provided measuring device.

Can children and the elderly take Prazosin HCl Oral Liquid?

Yes, this liquid formulation is suitable for pediatric and geriatric patients, especially those who have difficulty swallowing tablets or capsules. However, the dose might vary based on the patient's age, weight, and condition, so it's important to follow the doctor's instructions carefully.

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and take your next dose at the regular time. Do not double the dose to catch up.

Can Prazosin HCl Oral Liquid cause side effects?

Yes, like all medications, Prazosin can cause side effects. Common side effects include drowsiness, dizziness, headache, lack of energy, weakness, palpitations, and nausea. Contact your doctor if the side effects are persistent or worsen.

Is it safe to operate heavy machinery or drive after taking Prazosin HCl Oral Liquid?

As Prazosin can cause dizziness and drowsiness, it is advised to avoid driving or operating heavy machinery until you know how the medication affects you.

How should Prazosin HCl Oral Liquid be stored?

Store the medication at room temperature and away from light, heat, and moisture. Keep the bottle tightly closed and out of reach of children and pets.

Is it necessary to shake the bottle before use?

Yes, it is very important to shake the bottle well before each use to ensure the medication is properly mixed and you receive the correct amount of active ingredient in your dose.

What if I accidentally take more than the recommended dose?

If an overdose is suspected, contact emergency medical services or poison control immediately. Symptoms of overdose might include severe dizziness, fainting, or a slow heartbeat.

Can I mix Prazosin HCl Oral Liquid with food or beverages?

It is generally safe to take Prazosin with food, but you should consult your healthcare provider before mixing it with other beverages or foods. It is commonly advised to take it with a glass of water.

Do I need to follow any special dietary instructions while taking this medication?

You should follow any dietary instructions provided by your healthcare professional. Prazosin can sometimes lower blood pressure upon the first dose or when the dose is increased, so taking it with food may help reduce the risk of side effects such as dizziness or fainting. Avoid consuming alcohol as it can increase side effects.

About this compounded preparation

This formulation is compounded by Bayview Pharmacy on a prescriber's order for an individual patient. It is not an FDA-approved drug product, and the FDA has not evaluated it for safety, effectiveness, or manufacturing quality.

A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice. Discuss your situation with a licensed healthcare provider.

Formulas and/or material listed are not to be interpreted as a promise, guarantee or claim of therapeutic efficacy or safety. The information contained herein is not intended to replace or substitute for conventional medical care, or encourage its abandonment. Every patient is unique, and formulas should be adjusted to meet their individual needs.

No compounded medications are reviewed by the FDA for safety or efficacy.
For prescribers

How to e-prescribe this formula

Controlled substance: e-prescribe only (EPCS). Faxed, phoned, and handwritten prescriptions cannot be filled. Rhode Island law (R.I. Gen. Laws § 21-28-3.18) requires Schedule II to V prescriptions to be transmitted electronically.
1

Find Bayview in your EHR's pharmacy directory

Search by NCPDP 4106882, or by name and ZIP: Bayview Pharmacy, Warwick, RI 02886. Select it as the destination pharmacy and save it as a favorite. Click any value to copy it.

NCPDP4106882NPI1750455143Address3844 Post Rd, Warwick, RI 02886Phone(401) 284-4505Fax(401) 284-4506
2

Enter the formula as a compound

Compounded preparations have no NDC, so this formula will not appear in your EHR's drug search. Use your system's compound, non-formulary, or free-text prescription entry and name the preparation exactly as written in step 3. If your EHR forces you to pick a listed drug, pick the closest entry for the active ingredient and put the full formula in the prescription body (the Sig or directions field), not in Notes to Pharmacy.

Compounded preparations have no NDC and will not appear in your drug search. For EPCS to validate, select a drug entry your EHR recognizes as controlled, usually the bulk powder entry for the active ingredient (for example Ketamine (bulk) powder, not a branded product), then put the full formula from step 3 in the prescription body. A free-text entry that does not validate as controlled will be rejected by your EPCS module.

3

Copy the prescription details

RxFormula name
Dose formDose form
Quantity________
SigAs directed by prescriber
Refills____
PharmacyBayview Pharmacy, Warwick RI, NCPDP 4106882
Copy prescription details

Quantity and directions are starting points for this dose form, not treatment recommendations. Dosing remains the prescriber's responsibility.

4

Send it

Transmit from your EHR. For this non-controlled preparation we also accept fax to (401) 284-4506 and phoned orders at (401) 284-4505. Order forms are on the formulation pages and in the prescriber portal.

Transmit with two-factor authentication through your EPCS-enabled EHR. No order form is offered for this preparation; e-prescribing guides for our controlled preparations are on the formulation pages.

Do not use Notes to Pharmacy for the formula. Some EHRs keep that field internal and never transmit it. A prescription that arrives without the formula is delayed while we call your office.

Licensed to dispense in RI, MA, CT, NJ, NH, FL, ME, and PA; New York is served on a limited basis while nonresident registration is pending. Compounded preparations are not FDA-approved. A valid prescription is required. Full guide, including steps by EHR: How to e-prescribe to Bayview. Questions about this formula: call (401) 284-4505.

Prazosin HCl 1 mg/ml Oral Liquid
Oral Liquid
controlled

Take orally

Twice daily