Generic Name: Trimethoprim Oral Solution (trye METH oh prim)
Brand Name: Primsol
Medically reviewed on July 4, 2018
Uses of Primsol:
- It is used to treat bacterial infections.
What do I need to tell my doctor BEFORE I take Primsol?
- If you have an allergy to trimethoprim or any other part of Primsol (trimethoprim oral solution).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have anemia caused by a lack of folic acid.
- If you have kidney disease.
This is not a list of all drugs or health problems that interact with Primsol (trimethoprim oral solution).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Primsol (trimethoprim oral solution) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Primsol?
- Tell all of your health care providers that you take Primsol (trimethoprim oral solution). This includes your doctors, nurses, pharmacists, and dentists.
- This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take Primsol (trimethoprim oral solution).
- Do not use longer than you have been told. A second infection may happen.
- This medicine may make you sunburn more easily. Use care if you will be in the sun. Tell your doctor if you sunburn easily while taking this drug.
- If you are taking phenytoin, talk with your doctor. You may need to have your blood work checked more closely while you are taking it with Primsol (trimethoprim oral solution).
- If you are 65 or older, use Primsol (trimethoprim oral solution) with care. You could have more side effects.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Primsol (trimethoprim oral solution) while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Primsol) best taken?
Use Primsol (trimethoprim oral solution) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- To gain the most benefit, do not miss doses.
- Keep taking Primsol (trimethoprim oral solution) as you have been told by your doctor or other health care provider, even if you feel well.
- Measure liquid doses carefully. Use the measuring device that comes with Primsol (trimethoprim oral solution). If there is none, ask the pharmacist for a device to measure Primsol (trimethoprim oral solution).
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of methemoglobinemia like a blue or gray color of the lips, nails, or skin; a heartbeat that does not feel normal; seizures; very bad dizziness or passing out; very bad headache; feeling very sleepy; feeling tired or weak; or shortness of breath. This effect is rare but may be deadly if it happens.
- Signs of electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, seizures, not hungry, or very bad upset stomach or throwing up.
- Fever or chills.
- Sore throat.
- Pale skin.
- Any unexplained bruising or bleeding.
- Purple patches on the skin or mouth.
- It is common to have diarrhea when taking Primsol (trimethoprim oral solution). Rarely, a very bad form of diarrhea called Clostridium difficile (C diff)–associated diarrhea (CDAD) may occur. Sometimes, this has led to a deadly bowel problem (colitis). CDAD may happen while you are taking Primsol (trimethoprim oral solution) or within a few months after you stop taking it. Call your doctor right away if you have stomach pain or cramps, very loose or watery stools, or bloody stools. Do not try to treat loose stools without first checking with your doctor.
What are some other side effects of Primsol?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Upset stomach or throwing up.
- Loose stools (diarrhea).
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Primsol?
- Store at room temperature.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Primsol (trimethoprim oral solution), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Primsol (trimethoprim)
- Primsol Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 0 Reviews
- Drug class: urinary anti-infectives