Pentobarbital Na 45 mg Pyrilamine Maleate 50 mg Rectal Suppositories are a solid dosage form designed for insertion into the rectum, where they dissolve or melt to release medication for systemic absorption.
This formulation is used to treat conditions such as insomnia, anxiety, and allergic reactions, providing relief through the combined effects of a barbiturate sedative and an antihistamine.

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.
At Bayview Pharmacy, our expert compounding pharmacists have developed a rectal suppository containing Pentobarbital Sodium 45 mg and Pyrilamine Maleate 50 mg. This specialized formulation is designed to deliver medication efficiently through rectal administration, providing an alternative route for patients who may have difficulties with oral medications.
Pentobarbital Sodium is a short-acting barbiturate that acts as a central nervous system depressant, offering sedative and hypnotic effects. It is commonly utilized for its ability to induce sleep, provide sedation before medical procedures, and manage certain types of seizures. By depressing the activity of the brain and nervous system, Pentobarbital helps in calming patients and alleviating symptoms associated with anxiety and insomnia.
Pyrilamine Maleate is an antihistamine that works by blocking histamine receptors in the body. Histamine is a substance produced during allergic reactions, leading to symptoms like itching, sneezing, and increased mucus production. By inhibiting the action of histamine, Pyrilamine Maleate helps alleviate allergic symptoms and provides relief from discomfort caused by allergic reactions.
The combination of Pentobarbital Sodium and Pyrilamine Maleate in a rectal suppository offers a synergistic effect, targeting both neurological and allergic symptoms. This may be particularly beneficial for patients requiring sedation along with relief from allergic symptoms, especially when oral administration is not feasible due to nausea, vomiting, or difficulty swallowing.
Rectal suppositories are solid dosage forms that, when inserted into the rectum, dissolve or melt at body temperature. This allows the medication to be absorbed through the rectal mucosa into the systemic circulation, potentially providing a rapid onset of action. This route bypasses the gastrointestinal tract, reducing the risk of degradation by stomach acids and enzymes, and is advantageous for patients with gastrointestinal disturbances.
Patients using this formulation should be aware of potential side effects. Pentobarbital Sodium may cause drowsiness, dizziness, lightheadedness, and impaired coordination. It is important to avoid activities requiring mental alertness, such as driving or operating heavy machinery, until you know how the medication affects you. Pyrilamine Maleate may cause dry mouth, blurred vision, constipation, and urinary retention due to its anticholinergic properties.
Healthcare providers should carefully evaluate the patient's medical history, current medications, and overall health status before prescribing this compounded formulation. It is crucial to consider potential interactions with other central nervous system depressants, antihistamines, or medications that may enhance sedative effects. Monitoring for signs of excessive sedation, respiratory depression, or ant
Pentobarbital sodium and pyrilamine maleate rectal suppositories are a compounded formulation designed to deliver medication through rectal administration. This method allows for the medication to be absorbed into the bloodstream, providing systemic effects. Pentobarbital is a barbiturate that acts as a central nervous system depressant, often used for its sedative and hypnotic properties. Pyrilamine maleate is an antihistamine that can help alleviate allergic symptoms and has mild sedative effects. Together, these compounds may be used to manage conditions requiring sedation and relief from allergic symptoms.
When considering the use of pentobarbital sodium and pyrilamine maleate rectal suppositories, it is crucial to be aware of potential drug interactions. Pentobarbital, as a barbiturate, can interact with a wide range of medications. It is known to induce hepatic enzymes, which can lead to increased metabolism and decreased efficacy of other drugs. This includes anticoagulants like warfarin, leading to reduced anticoagulant effects, and oral contraceptives, which may result in decreased contraceptive efficacy. Patients should be advised to use additional contraceptive methods if they are on oral contraceptives while using this formulation.
Concomitant use of pentobarbital with other central nervous system depressants, such as benzodiazepines, opioids, or alcohol, can result in additive CNS depression. This can increase the risk of respiratory depression, profound sedation, and even coma. Therefore, it is essential to monitor patients closely if these medications are used together, and dosage adjustments may be necessary. Additionally, pyrilamine maleate, being an antihistamine, can also enhance the sedative effects of other CNS depressants, further necessitating caution.
Pyrilamine maleate may interact with monoamine oxidase inhibitors (MAOIs), potentially leading to intensified anticholinergic effects such as dry mouth, urinary retention, and constipation. Patients taking MAOIs should avoid using this formulation or be closely monitored for adverse effects. Furthermore, antihistamines like pyrilamine can also interact with other medications that have anticholinergic properties, such as tricyclic antidepressants, leading to increased anticholinergic side effects.
Patients with a history of substance abuse should use pentobarbital with caution due to its potential for dependence and abuse. Prescribers should evaluate the patient's history and consider alternative therapies if there is a significant risk of misuse. Additionally, patients with hepatic or renal impairment may require dosage adjustments, as these conditions can affect the metabolism and excretion of the drugs, potentially leading to increased side effects.
It is important for both patients and prescribers to be aware of these potential interactions and to communicate openly about all medications and supplements the patient is taking. This will help ensure the safe and appropriate use of pentobarbital sodium and pyrilamine maleate rectal suppositories. If you have any questions or need further information, please reach out to us at Bayview Pharmacy.
Pentobarbital Sodium and Pyrilamine Maleate rectal suppositories are a compounded formulation designed to deliver medication through the rectal route, providing both local and systemic effects. This solid dosage form is inserted into the rectum, where it dissolves or melts at body temperature, allowing the active ingredients to be absorbed through the rectal mucosa into the bloodstream. This method of administration can be particularly beneficial for patients who have difficulty swallowing oral medications or require rapid onset of action.
Pentobarbital Sodium is a barbiturate that acts as a central nervous system depressant. It works by enhancing the activity of gamma-aminobutyric acid (GABA), a neurotransmitter that inhibits nerve transmission in the brain, leading to sedation, hypnosis, and anticonvulsant effects. By administering it rectally, the medication bypasses the gastrointestinal tract, which can be advantageous in patients with nausea, vomiting, or gastrointestinal disorders that impair oral drug absorption.
Pyrilamine Maleate is an antihistamine that blocks the action of histamine, a substance in the body that causes allergic symptoms. It is often used to alleviate symptoms such as itching, runny nose, and sneezing. In this formulation, Pyrilamine Maleate can provide relief from allergic reactions or other conditions where histamine plays a role. The rectal route allows for a more direct absorption into the bloodstream, potentially offering faster relief compared to oral administration.
The combination of Pentobarbital Sodium and Pyrilamine Maleate in a rectal suppository form can be particularly useful in treating conditions that require both sedation and antihistamine effects. This dual-action approach can be beneficial in managing complex cases where multiple symptoms need to be addressed simultaneously. The rectal administration ensures that the medication is absorbed efficiently, providing a reliable alternative for patients who cannot take medications orally.
For prescribers, this formulation offers a versatile option for patients with specific needs, such as those with swallowing difficulties, gastrointestinal issues, or requiring rapid therapeutic effects. It is important to consider the patient's overall health status and any potential contraindications or interactions with other medications they may be taking. As with any medication, monitoring for side effects and adjusting the dosage as necessary is crucial to ensure optimal therapeutic outcomes.
If you have any questions about this formulation or its use, please reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide guidance and support to both patients and healthcare providers.
Pentobarbital Na 45 mg Pyrilamine Maleate 50 mg Rectal Suppositories are used to deliver medication through the rectum for local or systemic absorption. They may be prescribed for various conditions as determined by a healthcare provider.
To use the suppository, remove it from its packaging and gently insert it into the rectum. It is important to follow the specific instructions provided by your healthcare provider or pharmacist for proper use.
The time it takes for a suppository to dissolve can vary, but it generally melts or dissolves within 15 to 30 minutes after insertion, allowing the medication to be absorbed.
If you are pregnant or breastfeeding, consult your healthcare provider before using these suppositories to ensure they are safe for you and your baby.
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to catch up.
Possible side effects may include irritation at the site of insertion, dizziness, or drowsiness. If you experience severe side effects or an allergic reaction, seek medical attention immediately.
Store the suppositories in a cool, dry place away from direct sunlight and out of reach of children. Follow any specific storage instructions provided by your pharmacist.
Before using these suppositories with other medications, consult your healthcare provider to avoid potential interactions. Provide a list of all medications you are currently taking.
If the suppository does not stay in place, try lying down for a few minutes after insertion to help it settle. If the problem persists, consult your healthcare provider for advice.
Some mild discomfort or irritation may occur after using a suppository. If the discomfort is severe or persists, contact your healthcare provider for further evaluation.
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.
This preparation is a controlled substance. Additional prescribing, refill, and shipping restrictions apply, and the states Bayview can dispense it to are narrower than for non-controlled preparations.
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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.
Insert 1 unwrapped suppository