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Drug Ratings for METRONIDAZOLE

Average Rating: 2.5 (1284 Ratings)


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Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)   

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RATING  REASONSIDE EFFECTS FOR METRONIDAZOLECOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
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 5  gum infection Loose stools (worse than regular drinking will produce), slight headache (though this is on the same side as the gum infection - upper jaw). Took me 4 days to get a decent nights sleep, though this could be because i'm used to drinking every evening (which i'm no longer doing whilst taking them having read horror stories), been up regularly on these things for over 20 hours a day. Slight dizziness, though nothing worrying at all. I appear to have slight tunnel vision to, again nothing to get upset about (could be the lack of sleep i guess). This pill tastes vile - very bitter/metalic indeed! Though i had no after taste a few minutes after swallowing it (wash it down with strong fruit juice). Being taken along with 500mg Amoxicillin 3x D & 400mg Ibuprofen 3x D. It appears to work very well indeed. The day after i started taking them i was no longer in severe pain, no massive headache or pressure in my jaw, all gradually decreasing. As each day has gone by things have improved dramatically. Taking the last pill inside of an hour, happy chappy tomorrow ;-) M 43 5 days
400 3X D
5/31/2010

 5  Diverticulitis None M 66 7 days
250 4X D
7/9/2010

 5  Gum infection None. Took with Amoxicillan 500mg 3 x day for the infection and cocodamol 30mg for back pain without side effect but when mixed with diclofenic 75 (anti-inflamatory) and cocodamol 30/500 did feel nausea for 30 minutes. Dropped the diclofenic and was fine. M 51 6 days
400 3X D
11/23/2010

 5  Gum infection None. This seemed to work wonders. I had an infection around my wisdom tooth and could hardly open my mouth to fit a spoon between my teeth to eat cereal. My face was swollen and I couldn't talk properly. After a few days it got better and by the end of the course I was back to normal. Then the tooth was extracted. It seemed to work for me and others I know that have been on it. M 26 7 days
500 3X D
11/26/2010

 5  Bacterial bowel infection Tiredness, occasional headaches, otherwise no bad effects. This antibiotic cleared up my problem very well. I took a 7-day course 6 months previously, but the infection came back after several weeks. M 62 21 days
400mg 3X D
1/17/2011

 5  Tooth pain Extreme tiredness, increased appetite I was so happy that this medicine made me sleepy, I had no trouble staying in bed all night curing my other illness at the time (tonsillitis) M 23 1 weeks
400 3X D
3/14/2011

 5  Tooth/gum abcess None whatsoever! Day three and no problems-tooth/gum now pain free, swelling gone-will keep taking them. M 52 7 days
250 3X D
2/13/2012

 5  Gum infection post tooth extraction Darker urine than normal/sort of beer colored Feeling spaced-out, everything seems extra real and HD Muscle pains in neck (both sides) Worth suffering the side-effects for a few days if the infection goes away. No big deal really. M 50 4 days
400mg 3X D
7/15/2012

 5  Tooth infection A bit of a upset stomach at the start of the course and a dry mouth now. No metallic taste or any other of the neuro-like symptons described by others. The pills taste horrible but the infection seems to be going so I can't complain. Make sure you don't drink any alcohol with this drug - every web site stresses this. M 40 7 days
11/7/2005

 5  WISDOM TEETH EXTRACTION/ INFECTION Headaches, depression, lack of energy, restlessness, shivering and sweats, aching all over, lack of motivation I'm stopping a day short of the required dosage (3x200g for 5 days). I can't go on any longer - I just hope it's cleared the infection from the surgery up completely. M 34 4 days
4/7/2006

 5  Root (tooth) Infection Mild visual disturbances on starting course, thirsty Fantastic stuff - have taken metronidazole before and although it has mader me feel a little out of sorts in the past, it always clears things up really quickly which is important if you've got something painful like toothache! M 29 1 weeks
11/23/2005

 5  gum infection Day one took two 400mg pills by accident, felt spaced out all day. Days 2-5, no major problems. Day six though, lithargic, tired, loss of appetite and severe stomach pains. Thank f**k only two more pills to take, and hope this sickness disappears as soon as. Started to work that day and gum pains went away and got proper sleep for the first time in two weeks. This no drinking business is tough, how long after stopping can you have a beer? M 28 7 days
11/22/2006
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 5  Molar tooth abscess No side effects at all - I was quite concened after reading other people experiences and delayed taking the drug as much as I could until the tooth pain was unbearable. Then I took it and there was no unpleasant taste, no side effects just great anti-biotic action. It started to work 12 hours after initial dose, just as it should and I am now finalising my first day. I bet that the alcohol side effect is urban legend as well, just as some new research indicates. However, will not experiment ;-) M 44 1 days
11/11/2006

 5  abscess after root canal Beginning the second day, some confusion, wooziness, metallic taste, loose bowel, depression * The med worked well for the abscess but side effects were significant. I'm a retired physician who had neither prescribed nor used it before, but much more explicit caution needs to be given patients than 'merely' to avoid alcohol, as important as that is! M 71 6 days
4/8/2007

 5  Root canal treatment I'm pretty tough but finished course 5 1/2 days out of 7. Sleeping problems, diarrhoea, stomach pain and continual nausea. Eye pain, tingling in face. General malaise. Very depressed didn't want to do anything. Especially first couple of hours in the morning. REALLY spaced out, like my head had pressure and was going to explode, I was panicking severely, went to emergency doctor for re-assurance, paranoia. Disorientation and unsteady on feet. Never again, my problem has gone, but this has been hell. I've lost over a week's work, still don't feel completely right even after stopping the medication. Seriously scary stuff. I've never seen this board before. Doctors / Dentists should make it really clear how this stuff can F**k with your body and mind!! M 44 5 days
6/4/2006

 5  Gum imfection The only side effect was delight which led me to surf the web to find out more about this drug. I had 5 days of amoxicillin which did absolutely nothing for my painful problem, I had to suck food; then I was prescribed metronidazole and within 24 hours was feeling much better and within 48 was able to eat an apple. M 58 2 days
10/6/2007
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 5  Bacterial infection (spider bite) Constant sickening metallic taste in mouth. Unbelievably bitter tasting pill. Constant headache that feels like a bad sinus headache. Lethargic. Loose, dark stool. Bouts of woozieness, sometimes bordering on severe disorientation; scary. Some insomnia. Knocked that infection out of me quite effectively. Was taking it in conjunction with Cipro. Found out toward the end of the treatment that the bitter taste is undetectible if you take it in a spoonfull of chocolate syrup. One day to go...can't wait for it to be done. Am taking 500mg 3x/day. M 54 14 days
7/15/2005

 5  infection in wisdom teeth mild taste in mouth none really glad it helped M 36 7 days
5/26/2003
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 5  Tooth Infection Hideous taste in my mouth all day,sleepless nights,lathargy, nausea, severe stomach cramps,dizziness,irratibility,confusion and the wierdest feeling of my skin itching. The infection seems to have cleared up but is was a battle to complete the course. The worst part was the taste constantly in my mouth. As with any antibiotics you have to complete the course so get ready for a really uncomfortable week. M 32 5 days
4/15/2005
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 5  infection in tooth bad taste in mouth. Urine dark orange. Appetite great etc. even the weather was better. Saved my tooth from root canal. M 58 7 days
5/3/2007

 5  Shigella No real side effects. Only gas. Did NOT drink alcohol or even dealcoholized drinks, which doctor said leads to a lot of nasty side effects. M 48 7 days
9/24/2007

 5  Gum infection No bad side effects - infection cleared up by day 6 of 7. The tablets have a typical (slightly unpleasant) metallic antibiotic taste. I am sorry that others have had bad side-effects, and I wonder about the true statistics. M 55 7 days
5/2/2007

 5  Parasitic Infection 700mg,3X per day for 10 days. I thought it was just me and I was being a wimp. Extremely light headed, lethargic, wild dreams, loss of appetite and weight, metalic taste. Not an easy treatment. I find it hard to believe this drug is on the FAA's approved list. I would not pilot an aircraft while taking this medication. M 56 5 days
3/3/2008

 5  post op rectal infection metallic taste, headaches, loss of appetite, stomach cramps,dark smelly urine. inability to sleep for more than a few hours at a time. felt generally low and anxious horrible side effects but it sure cleared up the infection very fast. would take again if necessary but would also dread the side effects M 47 5 days
5/25/2008

 5  Giardia lamblia None, except for discolouration of my urine. The text books describe it as yellow-green colour, but mine looked like Coke. I had had the Gargia lamblia for 17 days before I started taking the metronidazone - don't ask! The dose was 1,000 mg twice a day, for three days. After reading some of the problems some of the rest of you had reported on this site I was a bit worried about side effects. I don't drink alcohol, so maybe that helped. I do need to be re-tested in two weeks time, but how I feel at the moment I expect the re-test is alright. M 48 3 days
6/7/2009

 5  uti and prostatitis Exhaustion leading to sleeping 14 hour a day. Low back pain around waist. Some metallic taste. Reduced appetite but wish it had been more. Lack of focus and weird feelings. Because I know about drugs, I figured out not do alcohol at all but did not get sufficient warning on this. But the drug really did cure my problem and I am very grateful. M 73 7 days
9/27/2009

 5  Root Canal nausea, slight dizzyness, dry furry mouth. The first time I took these tablets I was advised to eat plenty of pro-biotic yogurt which I did, so I had no problems. I forgot about the advice this time and experienced increasing side effects, the worst of which was the nausea. The tablets are very effective at clearing the infection though so I would say stick with them but take plenty of pro-biotics. M 63 7 days
1/2/2010

 5  Diverticulitis Taking Metronizadole (3x/day, 500 mg tabs) with Ciprofloxacin (2x/day, 750 mg tabs). I am experiencing many of the affects of these drugs as described by others - dizziness, occasionally very dark stools and diarrhea, extremely bad taste in mouth, tiredness, headaches and depression. I generally sleep well. Learning that depression was a side-effect enabled me to put it in perspective. Try to avoid touching your tongue for any length of time. These medicines have terrible effects. I can't understate them. But they are said to be medically essential for my condition, and I will take them to the end which is two weeks. I have taken them on one other occasion. I am now at the half-way point of this course of treatment. Can't wait to finish! I can't understate how happy I am that I found this page and that so many have contributed. Hearing what others have to say is invaluable. M 65 14 days
1/9/2010
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 4  Dog bite Dizziness and fatigue I gave this a "4" but I also was given two intravenous anti-biotics in a hospital emergency room and if those did 100% of the work then I'd give this a "2". M 58 10 days
11/29/2009

 4  Appendicitis Loss of appetite, always tired, irritable. Metallic taste in mouth. change in tastes of food. Anxiety On day 12 of 14. This stuff really works, but at what cost? Taste is nearly unbearable; lingers for a long time after taking the pills. Pill dissolves so quickly I hardly have time to chug it down, and when I do, it always goes down the wrong way; tried breaking it in two and swallow in parts. Did I mention the taste? Developed a filmy coating on tongue that has been around since day 2 of treatment. Side affects have been a lot to deal with, but inflammation and pain have totally subsided. Hopefully the Docs will say the infection is gone so I don't have to repeat this experience. Does' anyone know of good alternative AB to metronidazole? M 20 14 days
9/11/2009

 4  Gut infection Itchy skin feels like something is crawling under your skin. loss of appetite. Constant metallic taste. Wild dreams ( dreamt among others about Arsene Wenger getting shot outside the emirates honest). If you can tough it out, it works. Rang boots pharmacy about side effects, they suggested I take anti hestamine for the itchy skin M 30 7 days
10/16/2009

 4  Diverticulosis Loose, very dark stool; more frequent movements. Making me very anxious, depressed, and had several uncharacteristic bouts of near rage in the last couple of days. Very glad to have found this site to help understand what is happening to me! I hope it is worth this. 1 more day of treatment. M 47 7 days
10/28/2009
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 4  Dental infection (abcessed tooth) headache, bad mood I am lucky , so far, because I have not had any of the stomach-related side effects and I have not yet experienced that dreaded "metallic taste" in my mouth. I am at the end of day #3, so I have 7 more days to go. The one thing that I do feel is a moody-anxiety-sorta angry feeling. I thought I was just being a big baby but I was glad to read that others had experienced this same feeling. Also, I seem to have this headache which is on-again / off-again and may be contributing to my crabby mood. The drug seems to be helping my gum infection , so that is good. I look forward to the end of this medication for several reasons ........ one of which is that I really look forward to being able to enjoy a glass of beer again ........ patience, they say. M 47 10 days
11/12/2009

 4  Throat Infection and Tosillitis Lethargy....could sleep all day and night. Very hyper and lively guy, now flat, no energy. Smooth tongue, not eating much, horrible diahoria and vey smelly. Dark urine. mild nausea, loss of apetite, mild weight loss.. Pale. occasional 5 mins sweats. On a 10 day course combined with Penecillin following a hospital admission for Severe Throat infec. which may have been Tonsillitis, Absys, Quinsy, Glandular Fever....inconclusive. If they sort out my problem, the sife effects may be worth it, is the dissapate quickly....but it really is not nice. M 40 10 days
11/24/2009
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 4  Throat infection, Swollen uvula Cracking headaches, generally feeling low and flu like Make sure you drink lots of water. This is a strong antibiotic that will make you feel dreadful but if its making you feel bad, its doing the business. M 37 7 days
6/20/2009
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 4  Gum Infection I have not met with any side effects. I am on day 3 of a 5 day course and the swelling in my gum is going down nicely M 54 3 days
6/24/2009

 4  Giardia Tingling in arms and legs first day..as well as a bit of dizziness. A bit more tired than usual. It really feels like its working. After months of feeling horrible from Giardia...on just the 3rd day on the drug...I'm feeling so much better. M 37 3 days
7/16/2009

 4  Gum infection I can identify with many of the side effects listed by other consumers but nothing too bad. I expect to have some side effects with most medicines and sometimes wonder if it's worth it but when I consider what's ailing me and what the consequences of not beating this monster, I become more tolerant. I'm not suggesting that It's good for everyone but Don't throw in the towel right away. No pain, no gain, be well. M 65 10 days
8/7/2008

 4  tooth infection after extraction made me really really pissed off and short tempered. and i slept in the middle of the day. thats all i can say really, and also swollow the tablet quick because it taste's of metal. i was first given amoxicillin, this did not clear the infection, then went onto metronidazole antibiotic 200mg M 28 5 days
9/13/2008

 4  Vaginitis with discharge. I feel tired,confused with numdness and tiglind in the bottoms of my feet. (NO, I did not feel this way before treatment HAHAHA) Metalic taste in my mouth. (This is the worst) I have been treated with this medications several times. I suffer from bouts of diveritculitis and this medicine with cipro works great for that. This is the first time I had this vaginitisis. The symptoms lessened and then went away in 3 days. M 43 5 days
5/3/2009
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 4  wisdom teeth removal upset stomach, felt really low in mood with negative thoughts, tiredness, insomnia, reduced appetite. cleared up the infection but felt awful M 26 5 days
6/13/2008

 4  Tooth Infection Haven't any side effects from taking this, actually had my first night of real sleep last night and I suspect this drug is finally starting to fight the infection as Penecillin didn't help I like it, don't notice any of the side effects mentioned by other people here, I was warned of them but I feel fine, other than a sore tooth which does seem to be better today. Would definitly take them again M 34 2 days
6/15/2008

 4  Anaerobic G.U.M Infection Mild groggy tiredness and weakness which worried me until I realised it must be a side-effect of this medecine rather than the infection. Know that I will feel A1 when the course ends in 5 days and takes the infection with it. Can't make an omelette without breaking some eggs. Think how lucky you are to live in an age when infections can be treated so easily. Can't believe some of these whining saps. If you have a furry tongue use a tongue scaper and some dilute hydrogen peroxide mouthwash and some Hexylresorcinol pastilles (blackcurrant from Tesco). If you get digestive upset start eating muesli with bio-active yoghurt and if you don't like the taste for god's sake learn to swallow without chewing like a normal grown-up. Jeez what a pathetic infantilised society. Thank God I'm not a doctor I couldn't stand dealing with the terminally pathetic and their trivial whinging. M 45 7 days
11/6/2008

 4  vaginal infection after surgery Along with the furry tongue and disgusting metallic taste I am having the most awful panic attacks. Extremely anxious and my thinking is completely irrational. I feel like my whole world is coming to an end - even though I have a great life. Keep crying all the time. Cannot think straight. They do not list depression and anxiety as a side effect - why not. Thought I was going mad until I found this page. Very funny because I was on this drug 3 years ago for an ear infection and at the time I got it into my head that I was going to die from the infection. I could not understand why I felt that way - but now I know. The problem is this drug works!!! M 35 7 days
10/18/2007

 4  diverticulitis Metallic taste, some anxiety. Also, I have had some difficulty concentrating and have felt very drained. Interesting that others have had the same effects, makes me feel better. M 56 8 days
11/6/2007

 4  C. Diff due to Clindamiocin Well it's day two, I feel like i'm in another world. I get the feeling that i'm having a panic attack, my vision is blurry, and i feel like i'm on narcotics. I was on Percoset with the clindamiocin, it kinda feels like that. I have EXTREME insomnia. I'm also very nervous i'm going to have the syptoms other people are talking about. I'm a smoker so the taste of metal isn't really there, the only thing i'm worrie about is the performance i'm going ot have at work. I can't afford to miss work. I have nausia and some loss ap. I'm a vegetarian which i hear helps with the consitpation, so at least i won't be bad in that department. I also have loss of labido. BUT! I haven't felt this good in about a month, hopefully the side affects are worth it. I'm taking 500 mg 3 times a day, for 10 days. M 20 10 days
11/28/2007
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 4  Colon Infection (IBS) 500mg 3x per day. Horrible metallic taste in mouth. Better when drinking hot coffee or tea - worse with anything cold or water. Heart Palpitations and a general feeling of nervousness or anxiety from Day-1 About Day-10, I felt the medication was kicking-in as the chronic diarrhea stopped and stools were formed although they were soft. Major-League sore throat starting around Day 8 and continuing till the end (Day 14) and definitely a nasty looking white-coated tongue which psychologically added to the metallic taste. Glad it's over. Heavy Duty stuff - but I think it works. M 56 14 days
3/16/2007

 4  Dental Infection Itchy rash, dark urine Taking 500mg 4 times a day, finally saw relief from horrible dental pain on day 2. On day 6 of a 7 day course I woke up with red whelps in various places. The rash itches off and on but they are far easier to live with than the pain I was in. M 38 7 days
6/3/2007

 4   Change tastes of food, water, even saliva. Gives a disgusting metallic taste to everything. You also have to be very careful to follow the warnings (intake with food, zero alcool, etc.) Did the job of curing the infection yet i'm pretty happy to be over with it. M 23 24 days
8/23/2002

 4  Periodontal Infection Continual revolting taste in mouth. Feel woozy and irritable. Loss of energy. Sore spots like ulcers in mouth and swollen/sore throat. Basically makes you feel ill. Got rid of the infection very effectively, but finishing the course is a great relief. Appears to be the standard treatment for this kind of thing. Why can't they make it in capsule form so at least you don't suffer the vile taste? M 49 7 days
3/29/2005
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 4  diverticulitis Absolutely awful. And I am only on day 5 of 10. Bad metallic taste in mouth, dry mouth, almost think I am getting thrush, making my gastrinal problems worse, insomnia, headaches, dry cough. Will be so glad when I am done, if I can get there! M 42 10 days
7/26/2005

 4  Gum Infection Was on a low dosage, felt a bit woozy but that was probably the painkillers i was taking. Main problem was the horrible metallic taste in the mouth, didn't start til just after i STOPPED taking the medicene, but it's not going away quickly unfortunately. Worked wonders on the infection and this metallic taste is a walk in the park compared to the thumping pain of the infection. M 23 7 days
8/2/2005

 4  Gingivitis Felt like constant mild hangover Fill mouth with water first, then pop pill in and swallow quickly or you will have bitter taste in your mouth all day. M 35 7 days
9/25/2004

 4  Toothache Candida flare up, Face came up in hives and was very itchy, itchy it moist areas ie groin and between toes. Felt generally itchy. Funny taste in th emouth and throat, although not specifically metallic. M 43 7 days
4/2/2004
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 4  diverticulitus Horrible horrible taste. The taste stays in my throat regardless of what I tried to wash it down. Causes mental confusion, occasional episodes of extreme diving type of depression, which would clear up after a few minutes - but constantly repeats. I've been prescribed metronidazole before. Never could finish the full course. First time I was quite scared of the diverticultis, and managed to get to like 6 days before I had to quit. This time, I only made it to 3 days. I have to stop, now. I'd almost rather die than continue taking this poison. Its listed as a carcinogen. The Cipro I can do the full course though. M 46 3 days
1/19/2007

 4  Infected Diverticula This is in response to the above post from me earlier. It took 5 WEEKS from the day I stopped taking the drug until all the depression side effects were under control. I still feel some of the effects every so often but that 5 weeks was pretty awful. You have good days which feel almost normal and bad days where you feel like you can't get the depression out of your head. I suggest drinking plenty of water AND getting outside in the sun for a few minutes each day. That seemed to help. Also I tried taking some St. John's Wort and it seemed to worsen my symptoms plus it says it takes 2-8 weeks until the effects are felt so it could have been I hadn't been taking it long enough. The metronidazole did clear my infection but with a heavy price. ALSO I had thrush (tongue fungus) as a result from this and you should always take acidopholus to help the good bacteria regain a foothold in your body. It will also help clear up the thrush. M 27 10 days
7/20/2006

 4  Periodontal disease Numbness in arms and lower back, headache in the morning, itchy skin. None of the other symptoms described by other users. M 54 7 days
5/29/2006

 4  Infected Diverticula The metallic taste was one thing but BY FAR the worst was the depression. I took this pill for 10 days and by day 5 I had a mental breakdown and was severly depressed for the remaining of the course (500mg x 3 per day). Also towards the end I had some stomach pain that prevented me from eating much (I had to force myself just so I would feel better). Good luck!! I will say what helped was to drink A LOT of water when on this med and find someone to talk to about your depression, it will help you get through it!! Thanks God for this message board. Seriously if I had to do it again I probably would NOT take this simply because of the depressed feeling. If you know you get easily depressed ask for something else. I finished the course yesterday and still feel the ups and downs of depression. M 27 10 days
6/2/2006

 4  Tooth abscess Dizziness and unsteadiness when getting up from laying or sitting, fatigue, dark urine, metallic taste, overnight extreme sweats (caused by infection or medicine?). Pain went away in a day or so, but the side effects were difficult to deal with, especially with no alcohol for nine days. 4x500MG for 7 days. M 65 7 days
12/3/2006

 4  stomach infection / sinus Good grief, but this medication is severe! I think I've had every side effect mentioned here that i've read so far. they include fever, depression, severe pain behind my eyes, bloating, feeling exhausted all the time, back pain, shooting pains in my hands and feet. while the doctor initially prescribed it for what he thought was a bacterial stomach infection, it seemed to be addressing this chronic sinus infection that bactrim hadn't completely cured. so while i was glad of the healing that it was doing for my sinuses, i couldn't take the side effects after 4 days (i was supposed to use if for 7 days) and went to the doc who prescribed a 7day regimen of Levaquin instead. hopefully this will be easier on my body - but only time will tell. thanks to everyone who posted on here - i thought i was going insane for a while there. M 46 4 days
12/11/2006

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