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

Trimethoprim 10 mg/ml Oral Liquid

FDA-approved generic
Dose form
Oral Liquid
Active ingredients
Trimethoprim

Bayview Pharmacy's Trimethoprim 10 mg/ml Oral Liquid is a specially compounded medication designed for oral use. This formulation offers a precise, easily administered alternative to solid dosage forms, particularly beneficial for patients who experience difficulty swallowing tablets or capsules. It is ideal for use in pediatric and geriatric patients who require tailored dosing or have specific palatability needs.

Trimethoprim is an antibiotic that is commonly used to treat bacterial infections. Our Trimethoprim Oral Liquid is indicated for the treatment of urinary tract infections (UTIs), certain types of pneumonia, traveler's diarrhea, and as part of combination therapy for Pneumocystis jirovecii pneumonia in patients with HIV/AIDS. It works by inhibiting the production of tetrahydrofolic acid in bacteria, which is necessary for their growth and replication.

By providing Trimethoprim in a liquid form, Bayview Pharmacy ensures that patients receive the correct dosage in a form that is easy to ingest.

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.
Trimethoprim
Oral Liquid
65d8d5c616db65a9fd943ec8
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

Trimethoprim 10 mg/ml Oral Liquid is a custom-prepared medication designed for ease of administration and precise dosing. This formulation is particularly beneficial for patients who have difficulty swallowing tablets or capsules, such as young children or the elderly. The liquid form allows for flexible dosing, which can be adjusted according to the specific needs of the patient. Trimethoprim is an antibiotic that inhibits the production of tetrahydrofolic acid in bacteria, which is necessary for the synthesis of nucleic acids and proteins.

This oral liquid formulation is commonly used to treat urinary tract infections (UTIs), as trimethoprim concentrates in the urine, which allows it to effectively eradicate the bacteria causing the infection. It may also be used for other types of infections as deemed appropriate by a healthcare provider. The medication should be used under the guidance of a physician, and it is important to complete the full course of therapy to prevent the development of antibiotic resistance.

Patients should be counseled on the importance of taking this medication exactly as prescribed, at evenly spaced intervals to maintain optimal blood levels of the drug. Potential side effects include, but are not limited to, nausea, vomiting, rash, and pruritus. Any signs of allergic reaction or severe side effects should be reported to a healthcare professional immediately. As with all medications, the risk of interactions with other drugs should be considered, and a comprehensive medication history should be provided to the pharmacist or prescriber.

For prescribers, it is crucial to consider the patient's renal function when dosing trimethoprim, as it is primarily excreted by the kidneys. Dose adjustments may be necessary in patients with impaired renal function. Additionally, monitoring for signs of hematologic changes or hyperkalemia is recommended, especially in patients with predisposing conditions or those taking concomitant medications that may increase the risk of these adverse effects.

At Bayview Pharmacy, we are committed to providing high-quality, patient-specific formulations. Our team of compounding pharmacists is available to answer any questions and provide guidance on the use of Trimethoprim 10 mg/ml Oral Liquid. We work closely with prescribers to ensure that each formulation meets the individual needs of the patient. 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

Trimethoprim is an antibiotic that inhibits bacterial dihydrofolate reductase, leading to a reduction in the production of tetrahydrofolate, which is necessary for the synthesis of nucleic acids and proteins. However, when considering the use of trimethoprim, especially in a liquid formulation designed for oral administration, it is crucial to be aware of potential drug interactions that may affect the efficacy of the treatment or the patient's overall health.

One significant interaction is with diuretics, particularly thiazides, which can increase the risk of thrombocytopenia associated with trimethoprim. Patients taking both medications should be monitored for signs of bleeding and bruising. Additionally, trimethoprim can enhance the effects of warfarin and other anticoagulants, increasing the risk of bleeding. Close monitoring of prothrombin time or INR is recommended, and dosage adjustments of the anticoagulant may be necessary.

Concomitant use of trimethoprim with angiotensin-converting enzyme (ACE) inhibitors or angiotensin receptor blockers (ARBs) can increase the risk of hyperkalemia, especially in elderly patients or those with renal impairment. Regular monitoring of serum potassium levels is advised when these medications are used together. Trimethoprim may also increase serum levels of digoxin, potentially leading to digoxin toxicity. Patients should be monitored for signs of digoxin toxicity, and serum digoxin levels should be checked if symptoms develop.

Patients with renal impairment should use trimethoprim with caution, as it is primarily excreted by the kidneys, and impaired renal function can lead to accumulation of the drug, increasing the risk of adverse effects. Dosage adjustments may be necessary based on the patient's creatinine clearance. Additionally, trimethoprim can cause crystalluria, particularly in acidic urine, so adequate hydration is important to prevent the formation of crystals in the urine.

It is also important to note that trimethoprim can interfere with the metabolism of phenytoin, leading to increased plasma concentrations and potential phenytoin toxicity. If a patient is taking phenytoin, monitoring of phenytoin levels and clinical signs of toxicity is recommended. Furthermore, concurrent use of trimethoprim with methotrexate can increase the risk of methotrexate toxicity due to displacement from plasma proteins and decreased renal clearance. Caution is advised when these drugs are used together, and monitoring for signs of methotrexate toxicity is necessary.

Lastly, trimethoprim may alter the normal flora of the intestine, leading to an overgrowth of Clostridium difficile and associated diarrhea. If significant diarrhea occurs, it is important to consider this potential cause, and appropriate treatment should be initiated.

Patients and prescribers should be aware that this is not an exhaustive list of all potential drug interactions with trimethoprim. It is always important to inform the healthcare provider of all medications, supplements, and herbal products being taken before starting any new medication. If you have any questions or concerns regarding the use of trimethoprim 10 mg/ml Oral Liquid or potential drug interactions, please reach out to us at Bayview Pharmacy for further assistance.

How Does it Work

A small arrow pointing down

Trimethoprim is an antibiotic that is commonly used to treat bacterial infections by inhibiting the production of tetrahydrofolic acid within the bacteria. Tetrahydrofolic acid is essential for the synthesis of nucleic acids and proteins, which are crucial for the growth and multiplication of bacteria. By blocking the enzyme responsible for producing tetrahydrofolic acid, trimethoprim effectively halts the bacterial cell cycle, leading to the elimination of the infection-causing bacteria from the body.

The Trimethoprim 10 mg/ml Oral Liquid formulation is designed to provide a precise concentration of the active ingredient, trimethoprim, in a liquid form that is easy to swallow. This is particularly beneficial for patients who have difficulty swallowing pills or tablets, such as young children, the elderly, or those with certain medical conditions affecting their ability to swallow solid forms of medication. The liquid formulation allows for flexible dosing, as the amount can be easily measured to accommodate the specific needs of the patient, ensuring they receive the exact prescribed dose.

The convenience of the liquid form allows for a more pleasant administration experience, which can improve patient compliance with the treatment regimen, a critical factor in the successful eradication of bacterial infections.

For prescribers, it is important to note that the efficacy of trimethoprim as an antibiotic is dependent on the susceptibility of the bacteria involved in the infection. Therefore, culture and sensitivity testing should be considered to ensure the appropriate use of this medication. Additionally, prescribers should be aware of the potential for resistance and should use this medication judiciously to avoid contributing to the increasing problem of antibiotic resistance.

Patients and prescribers should be informed that, like all medications, trimethoprim can cause side effects, although not everyone experiences them. Common side effects may include nausea, vomiting, rash, and itching. More serious side effects, although rare, should be reported to a healthcare provider immediately. It is also important for patients to complete the full course of the medication, even if they begin to feel better before the medication is finished, to ensure the infection is fully treated and to prevent the development of resistance.

If you have any questions about the Trimethoprim 10 mg/ml Oral Liquid formulation or its use in treating specific disease states, 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 ensure the safe and appropriate use of this medication.

Frequently Asked Questions

A small arrow pointing down

What is Trimethoprim 10 mg/ml Oral Liquid used for?

Trimethoprim 10 mg/ml Oral Liquid is an antibiotic used to treat a variety of bacterial infections, including urinary tract infections, certain types of pneumonia, and infections of the digestive system. It works by stopping the growth of bacteria.

How should Trimethoprim Oral Liquid be stored?

This medication should be stored at room temperature, away from direct light and moisture. Keep the bottle tightly closed when not in use to preserve the integrity of the medicine. Always check the expiration date before use.

Can Trimethoprim Oral Liquid be used for children?

Yes, Trimethoprim Oral Liquid is often prescribed for children, especially when they have difficulty swallowing pills or tablets. It's important to use the correct dose as prescribed by a healthcare professional, based on the child's age and weight.

How is Trimethoprim Oral Liquid taken?

The medication is taken by mouth, with or without food, as directed by your healthcare provider.

What should I do if I miss a dose of Trimethoprim Oral Liquid?

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

Can Trimethoprim Oral Liquid cause side effects?

As with any medication, Trimethoprim Oral Liquid can cause side effects, although not everyone will experience them. Common side effects include nausea, vomiting, diarrhea, and rash. If any of these effects persist or worsen, contact your healthcare provider promptly.

Is there anyone who should not take Trimethoprim Oral Liquid?

Patients with a known allergy to trimethoprim or any other sulfonamide drugs should not take this medication. It is also not recommended for individuals with certain medical conditions; your healthcare provider can provide you with more information based on your specific health situation.

Can I take other medications while using Trimethoprim Oral Liquid?

Trimethoprim may interact with other medications, so it's essential to inform your healthcare provider about all the medications you are taking, including prescription drugs, over-the-counter medicines, and herbal products. This will help prevent potential interactions.

How long will I need to take Trimethoprim Oral Liquid?

The duration of treatment with Trimethoprim Oral Liquid varies depending on the type and severity of the infection. It is crucial to complete the full prescribed course, even if symptoms disappear, to ensure that the infection is fully treated and to prevent the development of resistant bacteria.

Is it safe to consume alcohol while taking Trimethoprim Oral Liquid?

It's generally advised to avoid alcohol while taking any antibiotic, including Trimethoprim Oral Liquid, as alcohol can reduce the effectiveness of the medication and increase the risk of side effects. Discuss any alcohol consumption with your healthcare provider.

What should I do in case of an overdose?

If an overdose is suspected, contact a poison control center or emergency room immediately. Symptoms of an overdose may include severe nausea, vomiting, dizziness, confusion, or unusual tiredness. Prompt medical attention is necessary in the event of an overdose.

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.

Trimethoprim 10 mg/ml Oral Liquid
Oral Liquid
controlled

Take orally

Twice daily