What information do you know about trimethoprim?

trimethoprim,738-70-5

　　Trimethoprim (INN) is a bacteriostatic antibiotic mainly used in the prophylaxis and treatment of urinary tract infections.Treating infections caused by certain bacteria. Trimethoprim is used for:Trimethoprim is an antibiotic. It works by killing sensitive bacteria.
　　1.How to use trimethoprim
　　Use trimethoprim as directed by your doctor. Check the label on the medicine for exact dosing instructions.
　　(1)Take trimethoprim by mouth with or without food.
　　(2)Trimethoprim works best if it is taken at the same time each day.
　　(3)To clear up your infection completely, use trimethoprim for the full course of treatment. Keep using it even if you feel better in a few days.
　　(4)If you miss a dose of trimethoprim, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
　　Ask your health care provider any questions you may have about how to use trimethoprim.
　　2.How to storage this medication
　　Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
　　3.Precautions when taking Trimethoprim
　　(1)Trimethoprim may cause you to become sunburned more easily. Avoid the sun,sunlamps, or tanning booths until you know how you react to trimethoprim. Use a sunscreen or wear protective clothing if you must be outside for more than a short time.
　　(2)Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
　　(3)Be sure to use trimethoprim for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
　　(4)Trimethoprim only works against bacteria; it does not treat viral infections (eg, the common cold).
　　(5)Long-term or repeated use of trimethoprim may cause a second infection. Tell your doctor if signs of a second infection occur. Your medicine may need to be changed to treat this.
　　(6)Trimethoprim may interfere with certain lab tests. Be sure your doctor and lab personnel know you are using trimethoprim.
　　(7)Lab tests, including complete blood cell counts, may be performed while you use trimethoprim. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
　　(8)Use trimethoprim with caution in ELDERLY; they may be more sensitive to the effects of trimethoprim.
　　(9)Trimethoprim should be used with extreme caution in CHILDREN younger than 12 years old; safety and effectiveness in these children have not been confirmed.
　　(10)Use trimethoprim with extreme caution in CHILDREN younger than 10 years old who have diarrhea or an infection of the stomach or bowel.
　　(11)PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using trimethoprim while you are pregnant. Trimethoprim is found in breast milk. If you are or will be breast-feeding while you use trimethoprim, check with your doctor. Discuss any possible risks to your baby.
　　4.Other information
　　It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.