Bactrim Side Effects (Page 7)
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I am curious if anyone else has had any of these side effects from taking bactrim. My mouth is so swollen with blisters all inside my mouth.....now it has started to affect my private area as well with same symptoms. I cant eat and it burns all day long. I only took 4 pills when this started. Please help if you can.

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57

Well they did a culture on me and they said it was positive for HSV1 . Now it's all healed up down there At first I was freaking out but then I calmed down a bit and thought maybe it could have been wrong? And it was relieving to read that genital hsv1 doesn't come often at all. but now I'm having all the symptoms of an oral outbreak. I don't have anything there yet and praying it doesn't come but I'm so afraid . I have the tingling feeling and itching around my mouth and nose. I'm trying to read everything I can to prevent it from actually coming. I just wish there could be a cure for this to end .

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56

I got hsv1 down there too. So it's possible. Rare but possible. Just FYI. However I got the reaction to bactrim and thought it was an outbreak but it became a lot different story after a day from it . Luckily I stop bactrim and in a few days I was fine. Compare to an outbreak it takes at least a week

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55

Omg I'm so sorry to hear that. Was this your first outbreak? I'm a nurse and it normally takes at least 90 days after exposure to come back positive. And hsv1 normally affects the mouth. What kind of test did they do on you

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54

Hey guys. Well I just got the call. I somehow came back positive for HSV 1. I'm sooo upset. :(

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53

I thought it was going away and now I see a bunch of tiny blisters on the vag lip... :/ Seems it's getting worse instead. It's red and kind of itchy.i also have a painful gland in my groin is that normal? But I'm going to try that Benadryl asap. And hopefully visit a different doctor . I already went to a gyno . Idk what doctor I should go to now. And waiting for results sucks

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52

Yes they look EXACTLY like herpes. I was freaking out because they go away then come back every month just like herpes. I'm a nurse so I got some bactriban ointment and silverstat gel from my job and just put it on when it happens. I hope you get better.

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51

Take a lot of liquid Benedrill and drink water.Doctor can prescribe cream with steroids to help heal fast.Its not herpes at all just your body is allergic to sulphur and bactrim is a high dose.Stop taking it.

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50

Take a lot of liquid Benedrill and drink water.Doctor can prescribe cream with steroids to help heal fast.

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49

Wow Kim your story gives me hope. Im glad youre ok With all that happened to you. I immediately stopped the bactrim when I noticed the sores and maybe that's why it stopped there. Sorry you had to go through that but thank god you're ok :)) i really do Not Think i have herpes i guess Its Just scary when you have a doctor tell you he's 99% sure it's herpes and doubts it was a bactrim reaction. :/

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48

Wow it's a relief that yu tested twice and are still negative I'm still waiting on my first results. What did yu do to make then heal? And do they look like herpes!? That's what worries me most everytime I look at it I can see that it really does look like herpes. I'm just confused and really stressing about it. Praying for the best & no herpes!

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47

You should go see your dr. I've been tested twice for herpes because the symptoms go away and then come back but both tests were negative. I haven't had any more lab work done for sjs or dress because I don't have health insurance but I'm going to try and get some soon and go.

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46

Helppppp !!! I'm terrified . Is this herpes or should I be calm and not worry bc so many of us have had this reaction & got these genital sores from bactrim?

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45

Ok so i was prescribed bactrim for a uti and I felt I had an allergic reaction to it I appeared to come up with little painful sores on my genital area. I freaked. I went to the gyno today and he thinks I never had a uti I just had symptoms of herpes and a herpes out break. I really do not think I have herpes. Wr did a blood test Today so I'll have results soon although h said if I was recently infected it would come back negative! I'm worried now bc I thought this was from bactrim and now I'm worried about herpes! I'm praying for this to be just a reaction!

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44

Beware that these mucus secreting gland lesions could be a severe systemic reaction called Stevens Johnson Syndrome. I highly recommend asking your physician for blood work (CBC, liver function, etc.). I am not a physician - but did develop a severe reaction called D.R.E.S.S to Bactrim. They monitored me for these types of eruptions - a Dermatologist checked my mouth several days later to see if I was I was developing Stevens Johnson Syndrome(SJS). You do not have to have DRESS prior to SJS.

Not all physicians are educated about SJS or DRESS - as these are supposedly rare reactions.

I hope this information helps someone to become better educated and aware of this potentially serious Bactrim (and all sulfa drugs) related issue.

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43

You're having blisters too?

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42

Yes, I am same way- I am miserable!!!! HELP!!!

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41

Wow. Sounds exactly like what happened to me except I never went back to a dr when I was on bactrim. I had gotten the worst blisters and rash on my vagina that I immediately went and had my blood drawn for herpes. After it came back negative I attributed it to the bactrim. The crazy thing was that I started having blisters on and off for 3 months so I went and got tested for herpes AGAIN ...since it can take a while for your body to build antibodies. Test came back negative. I'll never ever even think about touching bactrim again.

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40

Hi there. I know that this forum is very old, and likely you have already found your answer, but this forum helped me so much, I feel I have to contribute in case someone else stumbles across it in need of help.

I started a 14 day round of Sulfamethozole TMP Double Strength (Bactrim) for Sinusitis because my 14 days of Amoxicillin were ineffective on the extreme infection. Friday, I woke up with a crack in my lip. I had assumed it was from a mild sunburn I had the prior Sunday, and just used some chapstick. By Sunday, (6 doses later) I noticed a very uncomfortable pain while having intercourse, but it was bearable and even ignorable. That evening, I was out-of-control itchy! I kept rubbing and rubbing from discomfort. It continued, though Monday I missed my evening dose. No itching, but I didn't yet attribute it to the Bactrim.

Come Tuesday evening, I was very uncomfortable and so damn itchy. I sat myself down in front of a mirror only to be extremely alarmed because I suddenly had little blisters! WHAT?! My clitoris, labia, and vaginal opening had scabby-like sores, and a few small, bubbly blisters. I figured my extreme rubbing caused them and vowed to be very careful. I continued my Bactrim, with no idea. Along the week I began to notice terribly sensitive lymph nodes, pelvic glands, a sore throat, an aching tongue, a small bubbly blister to join my cracked lip, and swollen gums. Thursday, the pain was so terrible I couldn't pee without getting in the shower. Friday, I decided I HAD to see my OBGYN. To make a long story short, I was treated terribly and basically told after a 2second glance I had herpes and there was no other option. I even told my OB I was on Bactrim, to no raised alarm. I was started on Valtrex, but really could not believe it. I took my antibiotic with my Valtrex after the doctor, and immediately felt swelling of my lips and severe burning. I got curious, went online, and discovered this forum. Oh. My. God.

Saturday I revisted a different, much kinder OBGYN who told me she would culture swab me and analyze my blood for Herpes, but decided I needed to go to the ER because of a rapidly spreading rash on my feet, back, and inner thighs. Come to find out in the hospital, I was so severely allergic I developed a mild case of Steven's Johnson's Syndrome. Monday evening several saline bags, an overnight visit, many needles, and some rest, I was completely cleared up and in tip top shape. No more blisters.

Also, my blood work came back -- HSV1 & HSV2 Negative. Don't always believe a doctor, don't put your health second by thinking it might be something else, and ALWAYS check medications.

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39

Eeeek! I would absolutely tell your doctor to prescribe you something else! Having a bad reaction to antibiotics is a serious thing, and your doctor should know that. I'd be pretty pissed if my doc told me to just take some Benadryl.

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38

My DR had told me to take Benedryl when I called to report the problems I was experiencing with the Bactrim.

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