Drug Ratings for BACTRIM

Average Rating: 2.0 (1342 Ratings)

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Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
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    New! Reviews Summary for BACTRIM  | Top 10 Adverse Effects (reported to FDA)

RATING  REASONSIDE EFFECTS FOR BACTRIMCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
sort down sort up F  M  
 3  Folliculitis On the first day I experienced horrible stomach pain accompanied with nausea and watery diarrhea. The second day was better but the third and fourth day I experienced headaches after taking it. My infection cleared but the side effects are making me miserable F 22 7 days
8/17/2014

 1  Sinus Infection I had a delayed severe allergic reaction to Bactrim. After day 12, I began having trouble breathing and had terrible anxiety. Also ha heart palpitations, Loss of appetite, overall shaky. At day 19, I developed a severe head to toe rash (red bumps and white hives). Doctor stopped Bactrim and was given a six day course of Prednisone and Benadryl, The heart and breathing issues cleared immediately. The rash raged even harder -- constant intense itching and burning of skin. Could not sleep. Topical creams, etc. did not help. Cold compress did help for a short while. Day 25 the rash began to ease. I had never had an allergic reaction to anything before. Will NEVER take sulfa drugs again!!!! There are other antibiotics that could be prescribed. F 52 30 days
800 2X D
8/17/2014

 1  Impetigo/MRSA Extreme nausea, stomach ache, stomach cramps, excessive urination, migraine headaches. This is getting rid of the lesions and scabs on my leg, but I'm MISERABLE. it's doing the job and I can't wait till the next week is over F 19 10 days
20
8/11/2014
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 1  toe infection I feel stressed out to the max! I thought I was losing my mind. And yes, I too smell what seems to be my own body odor when normally I don't. Insomnia...when I lay down to try to sleep my whole shoulder and arm jerks about every minute. And if it doesn't jerk, I "feel" like it should. How wacked out is that? Severe anxiety. Chest feels heavy. Trying for the life of me to figure out what in the world is wrong with me. Mentally I am hanging on by a strand. I hate this feeling! I took a pill this morning and had 1 more day left to take the medication but since I did some digging and found out why I feel so terrible I will not take anymore. I feel shaky and just mentally out of it. Its miserable. F 58 8 days
2X D
8/5/2014
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 1  UTI This morning was my fourth day taking the medicine. Last evening a few hours after my second dose of the day, I felt anxious and my whole body was shaking. I went to bed feeling like this and woke up feeling better. I took another dose this morning. A few hours afterwards at work, I had the most severe anxiety attack - pain in my chest, racing heart and shaking all over. This lasted for 2 hours. It was the most horrible experience I've ever had taking a medication. I was very close taking myself to the ER. I would not recommend anyone taking this drug. It seems like all antibiotics nowadays have terrible side effects. From now on, I will definitely do alternative remedies like cranberry, vitamin C, etc. The horrible side effects of Bactrim are not worth the risk. F 31 4 days
2X D
8/4/2014

 3  UTI Today is day 8 out of 10. Day 1 - Day 6 - severe stomach aches, diarrhea; Day 6 - sore lymph nodes; Day 7 - lymph nodes now very swollen, hurts to turn my head; Day 8 - my lymph nodes today were so swollen they can be seen by the naked eye; my UTI is definitely gone, but I now have a mild fever and trouble sleeping; 3 lymph nodes on each side of my neck are the size of quarters, and two on the back of my head are even bigger, they feel like horns. F 20 10 days
2X D
8/1/2014

 1  abscess Weakness in my limbs can't sleep head hurts and feels fuzzy chills lack of appetite and nausea. I been taking it for four days i have lost four pounds the side effects are way worse than whAt I'm taking the pills for. I would not recommend taking this F 34 2 weeks
8/1/2014
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 1  Spider bite from a Wolf Spider Insomnia, joint pain, muscle pain/aches, clumsiness, inability to follow conversation, occasional feeling of not being 'all there'; bloodshot eyes; slightly sore throat; throat closing-up with hard coughing as if I had asthma. Found this site at 1:00 in the morning when I finally realized that maybe the Bactrim was causing insomnia - which I have never had before - then found other symptoms I shared with several of the posters. I was spilling things, felt like I was missing every 3rd word; had to ask people to repeat themselves. I thought it might be poison from the spider bite - was so worried about getting necrosis at the wound site. The bite is on my face, and the swelling has gone down, but I can't tell if it would have done that on its own or if the Bactrim helped. Will use the old-school penicillin from now on. F 53 5 days
2X D
7/29/2014

 2  UTI INSOMNIA!!!!!!!!!!! This is my second day taking this drug and I have gotten little to no sleep. Miserable. F 21 5 days
7/27/2014

 1  Ear infection I took bactrim for 10 days for a ear infection,1 wk after taking it I had hives all over my body ,my dr put me on steroids after my first dose of them days later my hives came back worse,I'm afraid to come off them now in case they come back,this has been a horrible experience F 53 1 weeks
100mg
7/27/2014

 1  Post bilateral breast reconstructn Was instructed to take 1 tab 2x day for 3 days. I developed an allergy to Keflex after my previous surgery so this med was the next option. On the 3rd day, with just one dose left to take, I woke up from a nap with 8/10 lower back pain. Never experienced back pain in my life so this was alarming. Went online, read the side effects of Bactrim and immediately d/c'd. On day 4, back pain was still very present, no relief with Alleve. Today is day 5 and I'm still with severe back pain, AND now with a body rash too. Drinking gallons of water trying to get this med out of my system. BTW, absolutely no pain from the breast reconstruction, just this dibilitating back pain. F 47 3 days
800 mg
7/26/2014

 1  UTI and Skin Infection Shaky hands, migraine headache, feeling cold all the time, stiff neck, nausea, loss of appetite, feeling of not being in the moment, like spacing out, forgetting things, daydreaming, racing heart, high blood pressure, bad dreams, diarrhea, gas, bloating, uncontrollable itching, dry mouth and throat, red eyes, smelling like my deodorant isn't working even though it always has before, stomach cramps, anxiety, feeling like my skin is crawling...by the fourth day my blood pressure was up to 158/130 and it is usually very low like 100/60 and so I went home sick and forced myself to eat even though I was so exhausted from shaking all day. That is the last time I will ever take this horrible medication. Bactrim should be taken off the market. It is a POISON F 40 4 days
DS 800-160 2X D
7/25/2014
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 3  mild UTI discovered during physical Developed hives starting later in the day after I took the last dose in the morning, By the next day I had welts all over my torso and thighs, some of which turned to bruises. It took 3 full days for them to subside. Not sure it was worth it - there are other meds that work without this mess. F 56 5 days
2X D
7/19/2014

 5  axillary staph infection Cleared up an ongoing swollen painful staph issue in my armpit, I believe it would've progressed to cellulitis if it weren't for Bactrim. It is great for skin infections. Everyone on here complains of headache/dizzy/backache, but try not being able to shave, wear deoderant, wear a bra or a shirt because your arm is swollen and raw from staph! I'll take the aches, thank you very much! It vastly improved my quality of life. You must drink lots of h20 with this med as well as a lot of activia yogurt to keep good bacteria in your gut. Thank god for this med! F 34 10 days
7/15/2014

 3  UTI Extreme insomnia; extreme fatigue; nausea; severe headaches; anxiety; emotional F 34 5 days
800-160 ta
7/8/2014

 3  UTI Horrible leg and foot cramps. Any time of day but most severe at night. F 49 7 days
2X D
7/4/2014

 1  Ear infection I had severe diarrhea and was tired and dizzy. But while shopping for groceries became very dizzy and felt faint and thought I was going to faint. I thought it was because my blood sugar was too low. So I told my husband that I had to sit down and we headed to the snack area of of the store By this time I was shaking all over .. Could not control it at all.. I was scared.. My husband happened to see an EMT at the deli counter and he asked him if he would take my blood pressure..He did and it was 160/102. And my heart was racing and pounding.. I was sure I was having a heart attack. The EMT called an ambulance to check me. They checked my sugar.. It was normal . My lungs were fine but my heart was going crazy and bp was up and down .. Dont take this stuff .. It can kill you! I am better so far.. Quit taking this and I will do whatever it takes to see that no one does. It needs to be taken off the market. F 63 3 days
30
7/4/2014

 1  Throat infection Felt so sick for hours then spewed up heaps so harsh on the body F 19 1 days
6/29/2014

 2  Sinus infection Allergic reaction, had to go to hospital due to rash covering my entire body, muscle cramps, couldn't sleep F 21 8 days
6/24/2014

 1  Uti This drug is horrible!!! Terrible rash all over with burning pain. This started 2 days after finishing a 7 day dosage. F 39 7 days
800
6/23/2014

 1  Staph infection Bactrim DS prescribed 2pills twice a day!! Gave me a severe burning sensation which was unbearable. Pain in all my muscles like someone sticking me with a knife. Very cold chills and high blood pressure which is always normal.This all occured after taking for 8 days. Went to hospital to counter act the reaction and still just miserable cannot sleep from pain in my back and muscles and all the burning. They gave me benadryl , zantac, muscle relaxers, steroids, demerol, saline still no relief!!!! Sent me home with all the above. They said all test CBC, urine test etc. came back normal just stop medication. HELP! M 31 8 days
bactrim DS 2X D
6/19/2014

 3  infected pilonodial cyst Profuse sweating, dizziness, nausea, insomnia, sore jaw; cleared up the infection in 4 days, my dose might have been overstrengthed causing my side effects to be more pronounced and horrible. But it did work for the infection. M 27 6 days
800
6/12/2014

 4  post lipectomy infection after 10 d On the 9th day I got internal itching.; M 59 9 days
800/160 2X D
6/9/2014

 1  Acne First 3 weeks were fine. No side effects that I noticed. Literally on the start of the 3rd week, I exercised and went out in the sun. The next day I developed a very itchy/prickly rash. I spoke to my doctor, and I assumed it was just heat rash, because it wasn't sunburn. I became very weak, achy, and sick for 3 days. I stopped taking the Bactrim, and after 2 days it cleared up. For one night, I LITERALLY got no sleep. None. The itching made me unable to sleep. Derm. told me to take a break, then start on the bactrim again, since the rash was probably just a reaction to the sun. ...I restarted the Bactrim 3 hours ago. 2 hours ago I started to break out in a rash again. Prickling sensation from the top of my head, slowly working allll the way down my body. It's unbearable!! So here I sit, trying Bendadryl, praying the reaction calms down so I can sleep tonight. NO idea why it took 3 weeks for the medicine to effect me like this. F 29 3 weeks
2X D
6/5/2014

 1  Cellulitis Horrible drug EVER! I was fine until about 15 days in and started experiencing blurred vision and extreme dizziness. I've been off of it now for almost two weeks and still experience severe dizziness unsteadiness and blurred vision. My neurologist thinks it triggered Ocular Myasthenia, my eyes are so heavy and hurt from straining from all the dizziness and blurred vision I can't stand it and has made me extremely depressed,all I do is cry everyday can't work can't do anything!I wish someone had told me about this drug I would have never taken it! No doctors will say all this is from the Bactrim. Ive been to the ER 4x now and they do nothing but take blood work which comes back normal and send me home. I'm in hell and just want this to end...THIS DRUG IS POISON! I pray I don't have permanent damage from this!!! F 40 3 weeks
800mg 2x
6/5/2014
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 3  uti Awful salty taste in mouth. Insomnia, itching everywhere with no rash. Fatigue. Neck pain back pain. It did clear up my infection F 28 10 days
100 mg bid
6/2/2014

 5  acne Less appetite , nausea All the side effects worth it because my skin is cured from acne...was so bad before doctor thought my acne was a serious skin infection. No more products needed just 2 pills and wash face M 40 90 days
Ds 800-160 2X D
5/30/2014

 1  UTI/ KIDNEY INFECTION i have a bad uti that has spread through out my body and they put me on bactrim 800 160 mg twice daily and im having horrible side effects. my throat seems swollen, dizzy, vaginal bleeding, blood in urine, hot flashes, sore ribs, sore back, sore belly, legs feel heavy, headaches, restless, slow heartbeat, dry mouth, lack of appetite, racing heart, feeling cold non stop, chest feels cold, cant think straight, i forget stuff within 3 seconds. i have a hard time paying attention to anything and when ppl talk i dont hear them at times. i zone out badly on this crap and ive had some crazy hallucinations.its like im not me anymore. i absolutely hate this medication and ive told them how it makes me feel yet say its normal and to keep taking it but i feel great when it wears off but once i take it and it kicks in, i feel like complete shit and im miserable and always to tired and weak to do anything. did u have any of these symptoms? i absolutely hate this antibiotic. DO NOT TAKE THIS..... IT WILL CAUSE MORE DAMAGE THAN ANYTHING. F 22 10 days
800 160mg 2X D
5/29/2014
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 4  BLADDER INFECTION NONE WHATSOEVER. WORKED GREAT *BUT* UTI CAME BACK after taking this for ten days last month. Next I'm going to the doctor. I am off sugar and that's no fun. It always worked before when I was much younger. I could go for years without a UTI. No longer true. F 70 3 days
2X D
5/20/2014

 2  MRSA Infection About 12 hours after taking a Bactrim pill I started experiencing insane itching. The first night on it I was up every 30 min scratching like a crazy person! Knees, feet, elbows and even the bottoms of my feet. Circulation being cut off when standing for a period of time. F 22 3 days
800-160
5/20/2014

 1  Staph Broken blood vessels in eyes on day 1 followed by insomnia, hot flashes, weakness, dizzy, chest rash, swollen lymph nodes in throat, and even after days of being off the medication the aches in my joints continues. The side effects are worse than the original ailment M 39 7 days
800mg 2X D
5/20/2014
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 1  Possible UTI I would not take this unless my only other option were death. If I had a serious infection like MRSA and could be under the care of hospital staff, I'd take it. It made me extremely tired and then super anxious and foggy. It just scared me really badly. Eating and drinking water helped but I'm going to have to take something else because this was a terrible experience. F 24 1 days
?
5/14/2014

 1  boil I am writing this because of my mother, she became weak,she could not sleep at all, she could not eat, she was constipated, foggy eyes, headaches and so on ..add all this up, no sleep, no food, no bowel movement for 3 days!! she became very confused, eyes became foggy and had no more strengh in her very active life, thanks to this sight I saved my mothers life! Thank you. Helen Hawkins F 77 1 days
4 times a day
5/12/2014
Email
 1  Kidney infection Very painful spasms in stomach - almost felt like a heart attack. Headache, loss of appetite, bad taste in mouth. F 56 2 days
800 2X D
5/6/2014

 1  Staph Infection Extreme confusion, shaking (to the point of falling down), decrease in blood oxygen level, wanted to sleep all the time. This drug put my husband in the hospital and the Drs couldn't figure out what was wrong with him. We only figured it out when his PC Dr. put him on a second course of the med and the side effects started all over again. M 73 10 days
30 3X D
4/30/2014

 4  MRSA anxiety, extreme fatigue, terrible headaches, lower back pain, overall felt like the flu. F 26 10 days
800/160 2X D
4/28/2014
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 4  UTI After 2 pills, very sore stomach - had to take it with a lot of water and food and then it was fine - the only symptoms I had were very dry mouth in the morning and my period was 7 days late after taking it - I also took probiotics the whole time which helped! F 27 7 days
4/28/2014

 1  Suspected cellulits insomnia M 30 4 days
2X D
4/27/2014
Email
 3  bladder infection Shaking If you start shaking, that means drink more water. I chug a bottle when the shaking starts and it goes away within seconds. It should say on the bottle increase water intake. Just an important tip for everyone:) F 31 7 days
1X D
4/20/2014

 1  Staph Cellulitis on hand Had small cut on hand I left uncovered. A sliver really. Thought it was no big deal. Whole finger turned grey. Was told cellulitis possible MRSA, Given Bactrim DS 2x daily. I have taken 5 pills so far. All day today my legs were so weak I could barely walk. Severe trembling of legs and hands with rapid pulse of 127bpm.Excessive urination. Went to ER had blood drawn. that was negative. I asked Dr if this could be Bactrim he said "doubtful" because none of my symptoms "matched" the side effects of the drug. He advised me to continue since it seemed to be clearing up the Staph. I came home its now 2am I am trembling with swollen lymph nodes in my neck and muscle pain in my.ankles. After finding this page and seeing I'm NOT crazy I decided to skip tonight's dose and go back to hospital tomorrow to request an alternative antibiotic...the shaking is the worst! I feel like I'm losing my mind F 44 3 days
DS
4/20/2014
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 1  UTI Extreme Anxiety, Fearful & Racing thoughts, fast heart rate, sweating, vomiting, swollen glands in neck, stiff neck, back, and shoulder muscles, panic attacks, dizziness, blurred vision, intense pressure in head and ears, feeling of disassociation with reality and a floating while walking feeling, fatigue, inability to think clearly, sadness, feeling of impending doom or stroke or heart attack, shaking hands, loss of appetite, unsteady walk, stomach cramps, constant peeing, tight jaw muscles, flashes of light, feeling like my eyes were crossed. I did not expect this and had no such symptoms prior. I could not finish the 10th pill, One 800mg pill probably would have worked just fine. It has been 3 weeks and my symptoms are just not starting to subside. I pray there is no permanent damage. This is a poison, not a medicine. If you found solace in this board, know that the human body has an amazing resiliency to self heal. Look into probiotics, Candex, Kefir, low sugar/low alcohol and POISON F 29 4 days
800 2X D
4/18/2014
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 1  Dr think I have vaginal infection Diarrhea,loss of appetite,nausea,rash,anxiety,fatigue,stomach pain,frequent urine,pressure bladder,sleepless Still not back to normal 20 days off F 44 7 days
4/10/2014

 2  UTI Increased depression and anxiety – fearful of everything, sad. Fatigue, insomnia, dry mouth, chills, sweats, nausea, loss of appetite. F 35 4 days
160m 2X D
4/1/2014
Email
 1  Prostatis Elevated liver and pancreas enzymes. 2 ER visits and 5 days in the hospital. Severe abdominal pain upper right quadrant pain. M 38 2 weeks
3/29/2014

 1  UTI STEVEN'S JOHNSON SYNDROME! A severe allergic skin reaction. It put my 9 year old in the hospital's burn unit for 9 days! This isn't so rare like they want you to think! Many are misdiagnosed! F 9 10 days
2X D
3/29/2014

 1  Uti On day one of taking Bactrim I arrived home very late and took the medicine around 1030pm. About 3 hours later I awoke from crying in my sleep and trembling with chills yet sweating and feverish at the same time. I then vomited and had a general sickly feel. Pain in ribs and body. Sharp pains shooting through my hands and knees. Woke up today with very enlarged glands. Not just in the throat but also the lower occipital region and by my ear close to my jaw. F 23 5 days
2x D
3/26/2014
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 2  Bacterial skin infection I had a small part on my hand with a secondary infection to a severe burn. I gave this a 2 because it did clear up the visibly infected skin. However, I ended up being HIGHLY allergic, and broke out in hives and a rash that looked like a chemical burn ALL over my body, including my tongue. Before I realized the rash was from this and stopped taking it, my stomach was very cramped, similar to constant period cramping, dizzy, nauseous, digestive issues, saw halos around light, and my ears were bright red and on fire. Even if I wasn't allergic, I would never take this again, I've never had any reaction like this to any other antibiotic. Evil. Beware. F 31 5 days
3/21/2014

 4  cronic bronchial and sinus infecton Tin taste in mouth, hot flashes, insomnia,hives,dizziness* I rate 4 because it is the only antibiotic that works on me* F 18 4 weeks
3/14/2014

 3  Staph Skin Infection First few days my 5 year old son didn't seem to have any side effects. The Staph seemed to be healing. As he entered the end of the first week of taking Bactrim, he began to complain of his stomach hurting--bad, his eyes hurting--bad. We just thought he was trying to stay home from school, so we sent him on. He started getting in trouble at school, (this is our 5 year old, who previous to Bactrim never had any bad behavior). He hit a friend two days in a row, once with a pencil, and once with his hand. Then continued to exhibit lack of self control the third day by pulling down his pants and then sitting and crying (screaming at his teachers!!) He has NEVER acted so erratic. This continued at home and we were beginning to wonder what happened to our sweet, well-behaved child. Once i searched Bactrim side effects in children…it all began to make sense. He finished his last dose last night, and has sense had three more episodes of erratic behavior: screaming at me for not Feelings of depression, extreme high and low mood swings, lack of any self control (temporary episodes), stomach pain, eye pain, lack of appetite, sleeps but does not wake rested (possible lack of REM sleep?), feeling anxious and out of control. M 5 10 days
14.2 ML 2X D
3/1/2014
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 5  uti There was a time in my life when I suffered from up to 4 utis a year. A 3 day dosage cleared me right up! Good drug. F 29 3 days
2X D
2/26/2014
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 5  Staff Infection I was petrified of the Staff infection spreading and was told this was the most effective antibiotic so tuffed it out. Hot flashes, tiredness, ensomnia, anxiety, terrible muscle ache everywhere, terrible neck ache and glands swelling, loss of appetite, head ache, ringing in ears, problems with vision. It has been 2 weeks since I have gone off the medication and still am having some of the symptoms. Anxiety, muscle aches, headaches off and on, HUMMING IN EARS driving me nuts! I don't know if this is even possible since I am no longer on the medication but I never had these issues prior too taking it. Seems to have been effective in curing the staff infection, but if they had given me another option and I knew it would had also worked I probably would had chosen something else. F 57 7 days
30MG 2X D
2/23/2014

 3  bronchial infection Face felt like it was on fire, ran a fever and couldn't sleep F 37 10 days
2/14/2014

 1  Uti Taking for Uti first day dizzy tired no appetite.second day aany time I get up must sit back down blackouts. And eyes are blurry can't sleep more than 2 hours at night insomnia is the worst side effect very tired fatigue all day I'm going to Dr today to change it and also gave me petechaie which is small blood dots on skin and headache will never take again telling Dr I'm allergic to sulfas. F 31 4 days
800mg
2/4/2014
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 5  Uti Excessive urination, fatigue, nausea, dry mouth, mild insomnia F 33 7 days
2/2/2014
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 5  MRSA Cellulitis (right shin) Fatigue, thirst, dry cough* *yes, I have a cough with Bactrim DS, but I am also asthmatic, so who knows? F 45 10 days
800-160 2X D
1/30/2014
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 3  Prostatitis After one week things "settled out." That first week I experienced fevers of 102 degrees on two occasions with lesser fever throughout; severe chills on three occasions; and a general low-grade nausea almost continuously, with occasional lightheaded dizziness. Now, after that week, those symptoms have subsided but I have pain in my knee and ankle joints, most particularly in the morning upon waking. It hurts to go up and down stairs. I figure it is probably best to see this out ( I have 14 days remaining of a 30 day regimen). I guess I am afraid if I switch to Cipro I'll be in for another round of unknown problems... M 65 2 weeks
2X D
1/30/2014
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 1  UTI The very first night I took Bactrim, I felt like my entire body was on fire and my heart was pounding very hard. I also had some chest pain and shortness of breath. Thank goodness my mom looked this drug up after only taking it once. The comments and side effects and what I personally experienced are frightening. This drug is dangerous, do not take it. F 23 5 days
2X D
1/30/2014

 1  acne I am going crazy with anxiety and panic attacks. I stopped the medication 4 days ago,and the head ache is mild by now. I took my blood preasure today and I am little low. I am trying hard to overcome side effects by eating healthy and some exercise. I pray my body metabolize this drug to get back to normal. F 30 1 months
1/28/2014

 1  mrsa Chronic direaha,severe joint pain and insomnia. So weak and shakey its unbearable. Id rather be dead sometimes F 35 10 days
not sure
1/24/2014
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 1  UTI Bad Reaction: Rapid Heartbeat, Nausea, Vomiting, Neck Stiffness, Pressure at base of neck, Pressure in upper chest, Dizzy, Muscle Spasms, Leg stiffness, Fever, High Blood Pressure, Fear, Thought I was dying. I took this two months earlier and had NO reaction whatsoever, in fact, this was the first time i've ever had a negative reaction to a medication. F 27 1 days
2X D
1/22/2014
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