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Phenoxybenzamine HCl 2.5 mg Oral Capsules are a solid dosage form consisting of two-piece gelatin or vegetarian shells that encapsulate a precise dose of the active ingredient, Phenoxybenzamine Hydrochloride. These capsules are designed for ease of administration and to ensure accurate dosing. Phenoxybenzamine is an alpha-adrenergic blocker used primarily in the management of chronic hypertension and the treatment of pheochromocytoma, a tumor of the adrenal gland that can affect blood pressure. It may also be prescribed for other conditions as determined by a physician. The small 2.5 mg dose allows for titration to the optimal therapeutic level for each individual patient.
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.
Phenoxybenzamine HCl 2.5 mg Oral Capsules are a solid dosage form consisting of two halves of either gelatin or vegetarian-based shells that encapsulate the medication. This form of medication is designed to be swallowed easily and to ensure that patients receive an accurate dose of the active ingredient, Phenoxybenzamine Hydrochloride, which is crucial for the treatment's efficacy. Each capsule contains 2.5 mg of Phenoxybenzamine HCl, a potent alpha-adrenergic antagonist.
Phenoxybenzamine HCl works by irreversibly blocking alpha-1 and alpha-2 adrenergic receptors, which leads to a decrease in vascular resistance and an increase in blood flow. By blocking the effects of epinephrine and norepinephrine, Phenoxybenzamine reduces hypertension associated with this condition. Additionally, it is used off-label for other conditions such as Raynaud's phenomenon and certain types of hyperhidrosis (excessive sweating), where its vasodilatory effects can be beneficial.
It is important for prescribers to consider the long-acting nature of Phenoxybenzamine HCl and its potential to cause orthostatic hypotension due to its extensive and persistent alpha blockade. Patients should be counseled on the possibility of side effects such as dizziness, nasal congestion, and fatigue, and advised on how to manage them. Regular monitoring of blood pressure and dose adjustments may be necessary to achieve optimal therapeutic outcomes.
For patients and prescribers interested in using Phenoxybenzamine HCl 2.5 mg Oral Capsules, Bayview Pharmacy provides a tailored compounding service to meet individual patient needs. Our team of knowledgeable compounding pharmacists is available to answer any questions and provide guidance on the use of this specialized medication. If you have any questions or require further information, please do not hesitate to reach out to us at Bayview Pharmacy.
Phenoxybenzamine HCl is an alpha-adrenergic blocker used to treat conditions such as hypertension and sweating associated with pheochromocytoma, a type of tumor of the adrenal gland. When considering the use of Phenoxybenzamine HCl 2.5 mg Oral Capsules, it is important to be aware of potential drug interactions that may affect the efficacy of the treatment or increase the risk of adverse effects.
Phenoxybenzamine can interact with other alpha-blockers or blood pressure-lowering medications, leading to an additive hypotensive effect. Caution is advised when combining Phenoxybenzamine with drugs such as prazosin, terazosin, or doxazosin, as well as with beta-blockers like propranolol or atenolol. Patients should be monitored closely for signs of hypotension, such as dizziness or fainting, especially when standing up from a sitting or lying position.
Concomitant use of Phenoxybenzamine with drugs that affect the central nervous system, such as sedatives, hypnotics, or opioids, may result in increased sedation and drowsiness. Patients should be advised to avoid activities that require mental alertness, such as driving or operating heavy machinery, until they know how these combinations affect them.
Phenoxybenzamine may also interact with sympathomimetic agents, such as pseudoephedrine or phenylephrine, commonly found in cold and allergy medications. These interactions can reduce the effectiveness of Phenoxybenzamine and lead to uncontrolled hypertension. Patients should consult their healthcare provider before using over-the-counter medications containing these agents.
Additionally, the use of Phenoxybenzamine with drugs that inhibit the cytochrome P450 enzyme system, particularly CYP2D6, such as certain antidepressants and antipsychotics, may result in increased levels of Phenoxybenzamine and a higher risk of adverse effects. Dosage adjustments may be necessary, and patients should be monitored for signs of toxicity.
Patients should also be aware that the consumption of alcohol can exacerbate the hypotensive effects of Phenoxybenzamine and should be avoided or limited. Furthermore, patients with a history of cardiovascular disease should use Phenoxybenzamine with caution, as it may affect heart rate and rhythm.
It is crucial for patients to inform their healthcare providers of all medications, supplements, and herbal products they are currently taking to avoid potential interactions. Prescribers should review the patient's medication history and adjust treatment plans accordingly to minimize the risk of adverse interactions. If you have any questions or concerns regarding the use of Phenoxybenzamine HCl 2.5 mg Oral Capsules or potential drug interactions, please reach out to us at Bayview Pharmacy for further assistance.
Phenoxybenzamine HCl 2.5 mg Oral Capsules are a solid dosage form designed to deliver a precise amount of phenoxybenzamine hydrochloride, which is a potent alpha-adrenergic antagonist. The medication is encapsulated within two halves of either gelatin or vegetarian-based shells, which are then joined together to form a complete capsule. This design ensures that the medication is protected from degradation before ingestion and facilitates easy swallowing for the patient.
The mechanism of action of phenoxybenzamine HCl involves the irreversible blockade of alpha-1 and alpha-2 adrenergic receptors. By binding covalently to these receptors, phenoxybenzamine diminishes the vasoconstrictive effect of endogenous catecholamines, such as norepinephrine, which are released by the sympathetic nervous system. This leads to a decrease in peripheral vascular resistance and an increase in blood flow, resulting in a lowering of blood pressure. Additionally, phenoxybenzamine reduces the contractility of smooth muscles in the vasculature and other tissues, which can be beneficial in certain medical conditions.
Phenoxybenzamine HCl is primarily used in the treatment of pheochromocytoma, a rare tumor of the adrenal gland that can cause excessive production of catecholamines, leading to hypertension. By blocking the effects of these hormones, phenoxybenzamine helps to control the episodic hypertension associated with the tumor. It is also used off-label for other conditions such as Raynaud's phenomenon, where it helps to reduce peripheral vascular spasm, and certain types of urinary retention, where it aids in relaxing the internal sphincter of the bladder.
Careful dosing and monitoring are essential to minimize these effects. Additionally, due to its irreversible binding, the effects of phenoxybenzamine may persist for a considerable time after discontinuation, and gradual withdrawal is recommended to avoid rebound hypertension.
For any questions regarding the use of Phenoxybenzamine HCl 2.5 mg Oral Capsules, or to discuss the suitability of this medication for a particular patient, please reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide the necessary support and guidance to ensure appropriate treatment.
Phenoxybenzamine HCl 2.5 mg Oral Capsules are a prescription medication used to treat disorders such as high blood pressure and sweating associated with pheochromocytoma, a type of tumor. The capsules contain the active ingredient Phenoxybenzamine Hydrochloride in a 2.5 mg dose.
Phenoxybenzamine HCl works by blocking alpha adrenergic receptors, which results in a relaxing effect on blood vessels and a subsequent decrease in blood pressure. It also helps to reduce excessive sweating by inhibiting the same receptors found on sweat glands.
You should take Phenoxybenzamine HCl 2.5 mg Oral Capsules as prescribed by your doctor, usually once or twice daily. Swallow the capsule whole with a glass of water. Do not crush or chew the capsule.
No, you should not open the capsules or mix the powder with food or liquid. The capsules are designed to be taken whole to ensure the correct dosage is administered.
Yes, like all medications, Phenoxybenzamine HCl can cause side effects. Common side effects include stuffy nose, drowsiness, dizziness, nausea, vomiting, and decreased energy. If you experience any severe side effects, contact your healthcare provider immediately.
Your doctor will advise you on the best time to take your medication. It is often prescribed to be taken once or twice daily, with or without food, but follow your doctor's instructions.
If you miss a dose, take it as soon as you remember. However, if it is nearly time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one.
It is generally recommended to avoid alcohol while taking Phenoxybenzamine HCl, as alcohol can enhance drowsiness and dizziness, which are possible side effects of the medication.
Yes, Phenoxybenzamine HCl can interact with other medications, potentially altering their effects. Inform your healthcare provider of all the medications you are taking to avoid any adverse interactions.
Store the capsules at room temperature, away from direct light, moisture, and heat, and keep them out of reach of children and pets. Do not store in the bathroom or freezer.
Phenoxybenzamine HCl should only be used during pregnancy or while breastfeeding if clearly needed and under the supervision of a healthcare provider. Discuss the risks and benefits with your doctor.
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.
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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.
Quantity and directions are starting points for this dose form, not treatment recommendations. Dosing remains the prescriber's responsibility.
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.
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.
Take 1 capsule by mouth
