This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.
Bactrim; Bactrim DS; Sulfatrim Pediatric
Protrin DF; Septra Injection; Sulfatrim; Trisulfa; Trisulfa DS; Trisulfa S
- It is used to treat or prevent bacterial infections.
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If your child has anemia caused by a lack of folic acid.
- If your child has any of these health problems: Kidney disease or liver disease.
- If your child has any of these health problems: Asthma, porphyria, thyroid disease, not enough folate in the body, poor absorption, or poor nutrition.
- If your child has been drinking alcohol for a long time or is taking a drug for seizures.
- If your child has ever had a low platelet count when using trimethoprim or a sulfa (sulfonamide) drug.
- If your child is taking any of these drugs: Amantadine, cyclosporine, dofetilide, indomethacin, leucovorin, methotrexate, pyrimethamine, or a water pill.
- If your child is taking or has recently taken any of these drugs: Benazepril, captopril, enalapril, fosinopril, lisinopril, moexipril, perindopril, quinapril, ramipril, or trandolapril.
- If your child is younger than 2 months of age. Do not give this drug to an infant younger than 2 months of age.
If your child is breast-feeding a baby:
- Talk with the doctor if your child is breast-feeding a baby or plans to breast-feed a baby.
This is not a list of all drugs or health problems that interact with this drug.
Tell the doctor and pharmacist about all of your child’s drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for your child to take this drug with all of his/her drugs and health problems. Do not start, stop, or change the dose of any drug your child takes without checking with the doctor.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- Have your child’s blood work checked often. Talk with your child’s doctor.
- Have your child’s urine checked as you have been told by the doctor.
- This drug may affect certain lab tests. Tell all of your child’s health care providers and lab workers that your child takes this drug.
- Do not give to your child longer than you have been told. A second infection may happen.
- Be careful if your child has G6PD deficiency. Anemia may happen.
- If your child has high blood sugar (diabetes), you will need to watch his/her blood sugar closely.
- Alcohol may interact with this drug. Be sure your child does not drink alcohol.
- This drug may make your child sunburn more easily. Use care if your child will be in the sun. Tell your child’s doctor if your child sunburns easily while taking this drug.
- This drug may affect how much of some other drugs are in the body. If your child is taking other drugs, talk with the doctor. Your child may need to have blood work checked more closely while taking this drug with other drugs.
If your child is pregnant:
- This drug may cause harm to the unborn baby if your child takes it during pregnancy. If your child is pregnant or gets pregnant while taking this drug, call the doctor right away.
- If your child is allergic to sulfites, talk with your child’s doctor. Some products have sulfites in them.
- This drug has propylene glycol in it. Too much propylene glycol may lead to very bad health problems like nervous system problems, kidney problems, or other organ problems. If you have questions, talk with the doctor.
- Some products have benzyl alcohol. Do not give a product that has benzyl alcohol in it to a newborn or infant. Talk with the doctor to see if this product has benzyl alcohol in it.
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 child’s doctor or get medical help right away if your child has 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 a high potassium level like a heartbeat that does not feel normal; change in thinking clearly and with logic; feeling weak, lightheaded, or dizzy; feel like passing out; numbness or tingling; or shortness of breath.
- Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Signs of low sodium levels like headache, trouble focusing, memory problems, feeling confused, weakness, seizures, or change in balance.
- Muscle or joint pain.
- Purple patches on the skin or mouth.
- Shortness of breath.
- Hallucinations (seeing or hearing things that are not there).
- Mood changes.
- It is common to have diarrhea when taking antibiotics. Rarely, a severe form of diarrhea called C diff-associated diarrhea (CDAD) may happen. Sometimes, this has led to a deadly bowel problem (colitis). CDAD may happen while your child is taking an antibiotic or within a few months after he/she stops taking it. Call your child’s doctor right away if your child has stomach pain or cramps, very loose or watery stools, or bloody stools. Do not try to treat diarrhea without first checking with the doctor.
- Rarely, very bad effects have happened with sulfa drugs. Sometimes, these have been deadly. These effects have included liver problems, blood problems, and very bad skin reactions (Stevens-Johnson syndrome/toxic epidermal necrolysis). Call the doctor right away if your child has a rash; red, swollen, blistered, or peeling skin; red or irritated eyes; sores in the mouth, throat, nose, or eyes; fever, chills, or sore throat; cough that is new or worse; feeling very tired or weak; any bruising or bleeding; or signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- This drug may raise the chance of a very bad brain problem called aseptic meningitis. Call the doctor right away if your child has a headache, fever, chills, very upset stomach or throwing up, stiff neck, rash, bright lights bother the eyes, feeling sleepy, or feeling confused.
- This drug may irritate the vein. If the drug leaks from the vein, it may also cause irritation around that area. Tell your child’s nurse if your child has any redness, burning, pain, swelling, or leaking of fluid where the drug is going into your child’s body.
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your child’s doctor or get medical help if any of these side effects or any other side effects bother your child or do not go away:
- Upset stomach or throwing up.
- Not hungry.
These are not all of the side effects that may occur. If you have questions about side effects, call your child’s doctor. Call your child’s doctor for medical advice about side effects.
You may report side effects to your national health agency.
Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.
- Have your child drink lots of noncaffeine liquids every day unless told to drink less liquid by your child’s doctor.
All oral products:
- Give this drug with or without food. Give with food if it causes an upset stomach.
- Give this drug with a full glass of water.
- Give this drug at the same time of day.
- To gain the most benefit, do not miss giving your child doses.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- It is given as an infusion into a vein over a period of time.
All oral products:
- Give a missed dose as soon as you think about it.
- If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
- Call your child’s doctor to find out what to do.
All oral products:
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Protect from light.
- If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.
- 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.
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
- Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s 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.
This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.
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