These factors may affect how you should use this medication. Antibiotic-related diarrhea: As with other antibiotics, trimethoprim - sulfamethoxazole can cause a severe form of diarrhea associated with a condition known as pseudomembranous colitis. If you develop severe diarrhea while taking or within a few weeks of taking this medication, contact your doctor.
Bacterial resistance: Misuse of an antibiotic such as trimethoprim-sulfamethoxazole may lead to the growth of resistant bacteria that will not be killed by the antibiotic. If this happens, the antibiotic may not work for you in the future.
Although you may begin to feel better early in your course of treatment with trimethoprim-sulfamethoxazole, you need to take the full course exactly as directed to finish ridding your body of the infection and to prevent resistant bacteria from taking hold.
Do not take this or other antibiotics to treat a viral infection such as the common cold; antibiotics do not kill viruses, and using them to treat viral infections can lead to the growth of resistant bacteria. Blood counts: When taken for long periods of time, this medication can decrease the number of neutrophils a type of white blood cell that helps fight infection , red blood cells which carry oxygen , and platelets which help your blood to clot.
Your doctor will do blood tests to monitor this. If you notice any signs of infection e. Determine your response to this medication before engaging in potentially dangerous activities such as driving or operating machinery. Fluid and electrolyte balance: Trimethoprim - sulfamethoxazole may cause the levels of electrolytes, such as potassium and sodium, in the blood to change while taking this medication.
If you experience symptoms of fluid and electrolyte imbalance such as muscle pains or cramps; achy, stiff, or uncoordinated muscles; tiredness; or weakness; contact your doctor as soon as possible.
Kidney function: Kidney disease or reduced kidney function may cause this medication to build up in the body, causing side effects.
Trimethoprim - sulfamethoxazole may also cause decreased kidney function. If you have reduced kidney function or kidney disease, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Liver function: People taking this medication may have changes in liver function that produce abnormal liver test results. If you have reduced liver function, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Other infections: The prolonged or repeated use of antibiotics may occasionally result in organisms not killed by the antibiotic to overgrow. This may result in conditions such as yeast infections. If you experience new symptoms of infection or find that the infection is not improving with correct use of this medication, contact your doctor. Sensitivity to sunlight: This medication may increase the sensitivity of the skin to sunlight, increasing the risk of sunburn.
Avoid exposure to excessive sunlight, including sunlamps and tanning beds, and use sunblock with a minimum SPF of If you notice any unusual skin rash or peeling, contact your doctor immediately. Skin rash: Trimethoprim - sulfamethoxazole may cause skin rash or itchiness with or without a rash. Rarely, people taking trimethoprim - sulfamethoxazole experience a severe skin reaction that can be life-threatening.
If you experience a rash that gets worse, develops into blisters or sores on the lips or eyes, or covers a large area of the body, contact your doctor immediately. Pregnancy: This medication should not be used during pregnancy unless, in the opinion of your doctor, the benefits outweigh the risks. Pregnant women who take this medication should consider taking supplemental folic acid.
Breast-feeding: Both trimethoprim and sulfamethoxazole pass into breast milk. If you are a breast-feeding mother and are taking trimethoprim - sulfamethoxazole, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding. Children: This medication is not recommended for children younger than 2 months of age. Seniors: Seniors may be at increased risk of developing side effects when taking this medication.
Lower doses may be required. Consult your doctor for more details. This drug passes into breast milk. While there have been no reports of harm to healthy infants, this drug may have undesirable effects on infants who are ill or premature or have certain disorders jaundice, high blood levels of bilirubin, G6PD deficiency. Breast-feeding is not recommended for infants with these conditions.
Consult your doctor before breast-feeding. Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Do not start, stop, or change the dosage of any medicines without your doctor's approval. This product may interfere with certain laboratory tests, possibly causing false test results.
Make sure laboratory personnel and all your doctors know you use this product. If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call Otherwise, call a poison control center right away. US residents can call their local poison control center at Canada residents can call a provincial poison control center. This medication has been prescribed for your current condition only. Do not use it later for another infection unless your doctor tells you to.
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. Take your next dose at the regular time. Do not double the dose to catch up. Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional.
Always ask your health care professional for complete information about this product and your specific health needs. This copyrighted material has been downloaded from a licensed data provider. The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional.
You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment. Because of this, you may bleed or get infections more easily. Talk with your doctor if you have black, tarry stools, bleeding gums, blood in urine or stools, pinpoint red spots on the skin, unusual bleeding or bruising.
This medicine may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. If you have any questions or if mild diarrhea continues or gets worse, check with your doctor. Check with your doctor right away if you or your child have stomach cramps, bloating, watery and severe diarrhea, which may also be bloody, nausea or vomiting, or unusual tiredness or weakness.
These may be symptoms of a serious intestinal infection. This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention.
Check with your doctor right away if you or your child have a rash, itching, swelling of the face, tongue, and throat, trouble breathing, or chest pain after you use the medicine. This medicine may cause electrolyte problems, including high potassium in the blood hyperkalemia and low sodium in the blood hyponatremia.
Tell your doctor right away if you have confusion, weakness, muscle twitching, an irregular heartbeat, numbness or tingling in the hands, feet, or lips, or trouble breathing. This medicine may cause hypoglycemia low blood sugar in some patients. Check with your doctor if you have anxiety, behavior change similar to being drunk, blurred vision, cold sweats, confusion, cool pale skin, difficulty with concentrating, drowsiness, excessive hunger, headache, nausea, nervousness, rapid heartbeat, shakiness, or unusual tiredness or weakness.
Before you have any medical tests, tell the medical doctor in charge that you or your child are taking this medicine. The results of some tests may be affected by this medicine. Patients receiving anticonvulsant treatment medicines to prevent seizures may be at risk for a folate vitamin B9 deficiency, which may increase the risk for side effects.
Talk with your doctor if you have concerns about this. Do not use this medicine for Pneumocystis jiroveci pneumonia PCP if you are also using leucovorin. Using these medicines together may cause these medicines to not work as well for you. Do not take other medicines unless they have been discussed with your doctor. This includes leucovorin, other prescription or nonprescription over-the-counter [OTC] medicines and herbal or vitamin supplements.
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below.
Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission.
0コメント