Why has my veterinarian prescribed this medicine?
Sulfamethoxazole / trimethoprim is an antibiotic combination used to prevent and treat infections.
How do I give this medication?
"Give this medication for as long as prescribed by your veterinarian, even if it appears the pet is feeling better."
- Give this medication to your pet as directed by your veterinarian. READ THE LABEL CAREFULLY.
- If using the liquid form of this medication, shake well before measuring the dose and measure the dose with reasonable care.
- Give this medication for as long as prescribed by your veterinarian, even if it appears the pet is feeling better. This will help to ensure the infection is all cleared up.
- Have water available for your pet to drink.
- DO NOT give the pet more medicine than directed.
- DO NOT give the medicine more often than directed.
- Try not to miss giving any doses.
What if I miss giving a dose?
Give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give the pet two doses at once.
How do I store this medicine?
- Keep this medicine out of reach of children.
- Store capsules and tablets in a cool, dry place at room temperature. Store away from heat and direct sunlight.
- The liquid medication should preferably be stored in the refrigerator. Keep the liquid medicine from freezing. Discard any unused liquid after 14 days.
- Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.
What are the potential side effects?
- Sulfamethoxazole / trimethoprim may cause stomach upset, vomiting, diarrhea, loss of appetite, inflammation of the eye, polyarthritis, facial swelling, excessive thirst, excessive urination.
- Other side effects may occur. If you notice anything unusual, contact your veterinarian.
Are there any possible drug interactions?
- Make sure to tell your veterinarian if you are giving your pet any other medication or supplements.
- Quite often, your veterinarian may prescribe two different medications, and sometimes a drug interaction may be anticipated. If this occurs, your veterinarian may vary the dose and/or monitor your pet more closely.
- The following drugs can potentially interact with sulfamethoxazole / trimethoprim: coumarin, methotrexate, phenylbutazone, thiazide diuretics, salicylates, probenecid, phenytoin, antacids, and cyclosporin.
- Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.