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Bactrim Patient Information Including Side Effects
Brand Names: Bactrim, Bactrim DS, Septra, Septra DS, SMZ-TMP DS, Sulfatrim Pediatric
Generic Name: sulfamethoxazole and trimethoprim (Pronunciation: SUL fa meth OX a zole and trye METH oh prim)
- What is sulfamethoxazole and trimethoprim (Bactrim)?
- What are the possible side effects of sulfamethoxazole and trimethoprim?
- What is the most important information I should know about sulfamethoxazole and trimethoprim?
- What should I discuss with my healthcare provider before taking sulfamethoxazole and trimethoprim?
- How should I take sulfamethoxazole and trimethoprim?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while taking sulfamethoxazole and trimethoprim?
- What other drugs will affect sulfamethoxazole and trimethoprim?
- Where can I get more information?
What is sulfamethoxazole and trimethoprim (Bactrim)?
Sulfamethoxazole and trimethoprim are both antibiotics that treat different types of infection caused by bacteria.
The combination of sulfamethoxazole and trimethoprim is used to treat ear infections, urinary tract infections, bronchitis, traveler's diarrhea, shigellosis, and Pneumocystis jiroveci pneumonia.
Sulfamethoxazole and trimethoprim may also be used for purposes not listed in this medication guide.
elliptical, white, imprinted with MP 85
oblong, white, imprinted with 93 089
round, white, imprinted with 93 088
Sulfamethoxazole-Trimethoprim 400 mg-80 mg-URL
round, white, imprinted with MP 81
Sulfamethoxazole-Trimethoprim 400 mg-80mg-AMN
oval, white, imprinted with IP 271
oval, white, imprinted with IP 272
oval, white, imprinted with E 112
What are the possible side effects of sulfamethoxazole and trimethoprim?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
- diarrhea that is watery or bloody;
- fever, chills, swollen glands, body aches, flu symptoms, sores in your mouth and throat;
- new or worsening cough;
- pale skin, feeling light-headed, rapid heart rate, trouble concentrating;
- easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin;
- severe tingling or numbness, slow heart rate, weak pulse, muscle weakness;
- nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
- urinating less than usual or not at all;
- hallucinations, seizure (convulsions);
- low blood sugar (headache, hunger, weakness, sweating, confusion, irritability, or feeling jittery);
- the first sign of any skin rash, no matter how mild; or
- severe skin reaction -- fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.
Less serious side effects may include:
- painful or swollen tongue;
- dizziness, spinning sensation;
- ringing in your ears; or
- tired feeling, sleep problems (insomnia).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Read the Bactrim (trimethoprim and sulfamethoxazole) Side Effects Center for a complete guide to possible side effects
What is the most important information I should know about sulfamethoxazole and trimethoprim?
You should not use this medication if you are allergic to sulfamethoxazole or trimethoprim, if you are pregnant or breast-feeding, or if you have anemia (lack of red blood cells) caused by folic acid deficiency.
Before using this medication, tell your doctor if you have kidney or liver disease, a folic acid deficiency, asthma or severe allergies, a thyroid disorder, HIV or AIDS, porphyria, G6PD deficiency, or if you are malnourished.
Take this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Sulfamethoxazole and trimethoprim will not treat a viral infection such as the common cold or flu.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.
Avoid exposure to sunlight or tanning beds. This medication can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Additional Bactrim Information
Bactrim - User Reviews
Bactrim User Reviews
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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