Bactrim is prescribed for treatment of pneumonia and other diseases of respiratory, gastrointestinal systems, urogenital systems.

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Dosage 400/80 mg Bactrim

Product Name Per Pill Per Pack Order
400/80 mg x 10pills 0.10 1.00 Saving 5.60
400/80 mg x 20pills 0.05 1.00 Saving 12.20
400/80 mg x 30pills 0.66 19.69
400/80 mg x 60pills 0.57 34.39 Saving 5.40
400/80 mg x 90pills 0.53 48.09 Saving 11.70
400/80 mg x 120pills 0.50 59.79 Saving 19.20
400/80 mg x 180pills 0.46 83.19 Saving 36.00
400/80 mg x 270pills 0.42 113.29 Saving 64.80
400/80 mg x 360pills 0.41 147.39 Saving 90.00

Dosage 800/160 mg Bactrim

Product Name Per Pill Per Pack Order
800/160 mg x 10pills 1.49 14.89
800/160 mg x 20pills 1.47 29.40 Saving 0.40
800/160 mg x 30pills 1.42 42.69 Saving 2.10
800/160 mg x 60pills 1.37 82.39 Saving 7.20
800/160 mg x 90pills 1.30 117.09 Saving 17.10
800/160 mg x 120pills 1.24 148.79 Saving 30.00
800/160 mg x 180pills 1.16 209.19 Saving 59.40
800/160 mg x 270pills 0.00 1.00 Saving 402.30
800/160 mg x 360pills 1.10 396.39 Saving 140.40

General information

Bactrim contains a combination of sulfamethoxazole and trimethoprim. Sulfamethoxazole and trimethoprim are are both antibiotics that treat different types of infection caused by bacteria. Bactrim is used to treat ear infections, urinary tract infections, bronchitis, traveler's diarrhea, shigellosis, and Pneumocystis jiroveci pneumonia.


Take it with a big glass of water, 2-3 times per day, with or without food.Dosage depends on the type and severity of infection, so it is recommended to take the medicine as it was prescribed by your doctor.


Pregnant and breastfeeding women, patients with allergy to Bactrim and have anemia caused by folic acid deficiency can't use the medicine. Before starting your treatment with Bactrim tell your doctor if you have asthma, kidney or liver disorders, a folic acid deficiency; a thyroid disorder; HIV or AIDS; porphyria (a genetic enzyme disorder that causes symptoms affecting the skin or nervous system); a glucose-6-phosphate dehydrogenase deficiency (G6PD deficiency); or if you are malnourished. Be careful taking the medicine. It can cause diarrhoea. Avoid sunlights.


You should not use Bactrim if you have severe liver or kidney disease, anemia caused by folic acid deficiency, or a history of low blood platelets caused by taking trimethoprim or any sulfa drug.

Possible side effect

Side effects can be the following: hives, difficulty breathing, swelling of your face, lips, tongue, or throat or more serious signs of poor health as fever, sore throat, and headache with a severe blistering, pale skin, easy bruising or bleeding, diarrhoea that is watery or bloody, hallucinations, slow heart rate, weak pulse, nausea, stomach pain, urinating less than usual or not at all. If you experience one of the side effects listed above your should contact your doctor.

Drug Interactions

Tell your doctor about all medicines you may use before starting your treatment with Bactrim. It can change effects of the following medicines: anti-diabetic medications, diuretics, cyclosporine, digoxin, vaccines, tricyclic antidepressants. It can be co-administered with dofetilide or methenamine.

Missed dose

Take the missed dose as soon as possible. If it is almost time of the next intake just skip it and go back to your schedule.


If you think you have overdosed the medicine seek emergency medical help immediately. The overdose symptoms are dizziness, drowsiness, nausea, vomiting, loss of appetite, stomach pain, headache, yellowing of your skin or eyes, blood in your urine, fainting.


Store the medicine at room temperature between 59-77 degrees F (15-25 degrees C) away from light and moisture, kids and pets.


The information presented at the site has a general character. Note please this information cannot be used for self-treatment and self diagnosis. You should consult with your doctor or health care adviser regarding any specific instructions of your condition. The information is reliable, but we concede it could contain mistakes. We are not responsible for any direct, indirect, special or other damage caused by use of this information on the site and also for consequences of self-treatment.