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Review: could Bactrim cause Rigors?

We study 28,095 people who have side effects while taking Bactrim from FDA and social media. Among them, 629 have Rigors. Find out below who they are, when they have Rigors and more.

Stay connected: join a mobile support group for people who take Bactrim and have Rigors >>>


Bactrim (latest outcomes from 29,418 users) has active ingredients of sulfamethoxazole; trimethoprim. It is often used in urinary tract infection.


Rigors (an episode of shaking or exaggerated shivering) (latest reports from 251,581 patients) has been reported by people with multiple sclerosis, rheumatoid arthritis, high blood pressure, osteoporosis, pain.

On Jun, 25, 2014: 28,093 people reported to have side effects when taking Bactrim. Among them, 629 people (2.24%) have Rigors. They amount to 0.25% of all the 250,608 people who have Rigors on eHealthMe.

Trend of Rigors in Bactrim reports

Time on Bactrim when people have Rigors * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ years

Age of people who have Rigors when taking Bactrim * :


Severity of Rigors when taking Bactrim ** :

leastmoderateseveremost severe

How people recovered from Rigors ** :

while on the drugafter off the drugnot yet

Top conditions involved for these people * :

  1. Hiv infection (78 people, 12.40%)
  2. Chronic lymphocytic leukaemia (24 people, 3.82%)
  3. Prophylaxis (24 people, 3.82%)
  4. Pain (21 people, 3.34%)
  5. Infection (15 people, 2.38%)

Top co-used drugs for these people * :

  1. Bactrim ds (188 people, 29.89%)
  2. Prednisone (77 people, 12.24%)
  3. Acyclovir (72 people, 11.45%)
  4. Lasix (51 people, 8.11%)
  5. Aspirin (51 people, 8.11%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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Comments from related studies:

  • From this study (4 years ago):

  • I'm not sure if it's the interaction between the advil or just the bactrim, but the fever and sun sensitivity, along with muscle weakness, chills, and loss of appetite seemed to get much worse when I started taking advil about a week into the 10 day cycle of bacrim ds.


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More reviews for: Bactrim, Rigors

On eHealthMe, Bactrim (sulfamethoxazole; trimethoprim) is often used for urinary tract infection. Find out below the conditions Bactrim is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Bactrim used for and how effective is it:

Other drugs that are used to treat the same conditions:

Could it be a symptom from a condition:

Drugs in real world that are associated with:

Could your condition cause it?

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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