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Trimethoprim

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Notes
Related terms
Uses
Dosing
Safety
Author information

Notes

    Related terms
    • U.S. Brand Names: Primsol®
    • Canadian Brand Names: Apo-Trimethoprim®
    • Pharmacologic Category: Antibiotic, Miscellaneous

    Uses
    • This medicine is used to treat a variety of bacterial infections.
    • Trimethoprim works to injure the bacteria and fight the infection.

    Dosing

    How to take

    • To gain the most benefit, do not miss doses.
    • Take prescription as directed, even if you are feeling better.
    • Take this medicine at a similar time of day.
    • Take this medicine on an empty stomach. Take 1 hour before or 2 hours after meals.
    • Take this medicine with food if it causes an upset stomach.
    • Take each dose with a full glass of water if possible.
    • A liquid (solution) is available if you cannot swallow pills.
    • Those who have feeding tubes can also use the liquid. Flush the feeding tube before and after medicine is given.

    Missed Dose

    • Take a missed dose as soon as possible.
    • If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
    • Do not take a double dose or extra doses.
    • Do not change dose or stop medicine. Talk with healthcare provider.

    Storage

    • Store at room temperature.
    • Protect tablets from moisture. Do not store in a bathroom or kitchen.
    • Protect tablets from heat.
    • Do not freeze liquid.

    Safety



    Warnings

    • This medicine does not mix well with some medicines. Serious reactions may occur. Check all medicines with healthcare provider.

    Avoid

    • If you have an allergy to trimethoprim or any other part of this medicine.
    • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
    • If you have anemia because of lack of folic acid.

    Precautions

    • If you have kidney disease, talk with healthcare provider.
    • If you have liver disease, talk with healthcare provider.
    • If you have low folic acid levels, talk with healthcare provider.
    • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
    • You can get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen; wear protective clothing and eyewear.
    • Tell healthcare provider if you are pregnant or plan on getting pregnant.
    • Tell healthcare provider if you are breast-feeding.

    Side Effects

    • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Not hungry.
    • Sore throat.

    Monitoring

    • Change in condition being treated. Is it better, worse, or about the same?
    • Follow up with healthcare provider.

    Contact a healthcare provider

    • If you suspect an overdose, call your local poison control center or emergency department immediately.
    • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
    • Severe diarrhea, even after medicine is stopped.
    • Feeling extremely tired or weak.
    • Unusual bruising or bleeding.
    • Any rash.
    • No improvement in condition or feeling worse.

    General Statements

    • If you have a life-threatening allergy, wear allergy identification at all times.
    • Do not share your medicine with others and do not take anyone else's medicine.
    • Keep all medicine out of the reach of children and pets.
    • Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada return any unused drugs back to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th for more facts about the right way to get rid of unused drugs.
    • Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
    • Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
    • Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)


    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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