phenytoin false positive

http://www.askdocweb.com/falsepositives.html here's a site that explains how you can get a false positive for barbiturates. You'll have to go through this long list though. Best wishes finding your answers.

In a small study, phenytoin-induced seizures occurred most often in patients with serum phenytoin concentrations of 50 mcg/ml or higher.[393] Peripheral neuropathy, usually occurring weeks to months after drug initiation, has also been reported in patients receiving phenytoin. A single case report describes the onset of neuropathy within a few hours of drug administration.[9780] Adverse GI effects of phenytoin therapy include nausea/vomiting, constipation, abdominal pain, and anorexia.

Folic acid supplementation in folate-deficient patients with epilepsy changes the pharmacokinetics of phenytoin, usually leading to lower serum phenytoin concentrations and possible seizure breakthrough..." It however says that initiation of Folic acid and phenytoin together is beneficial. Since you can't go back and start all over again, you can take a small dose. It has been observed that as los as 1mg dose can perturb phenytoin’s levels, You may take doses lower than 1mg/day.

Combining fluoxetine or paroxetine with phenytoin can also lead to increased phenytoin side effects and reduce blood levels of paroxetine. You really need to discuss the potential drug interactions with your own doctor.

You should tell your doctor if you experience any of these symptoms while taking phenytoin, so that your blood level of phenytoin can be measured and your dose reduced if necessary. " Also, he has had a major surgery, and will need time to recover. However, any changes need to be reported to the doctor.

Moban® brand of molindone hydrochloride contains calcium ions which interfere with the absorption of phenytoin. Ingestion times of phenytoin and antacid preparations containing calcium should be staggered in patients with low serum phenytoin levels to prevent absorption problems”. Taken from http://www.rxlist.com/cgi/generic/phenyt_od.htm Our population is divided into 4 type of metabolizers ranging from rapid to slow metabolizers depending upon the speed of elimination of drug from body.

Has anyone received a false positive for turners syndrome when testing the genetics of your baby?

I received test results yesterday and need some help. The physician is optimistic that it's a false positive but I need some input. I went for retesting but need some type of hope right now. HIV 1/O/2 Abs Index Value 1.01 Reference range <1.00 HIV 1/O/2 Abs QUAL Repeatedly Reactive What factors would contribute to a false positive? was also diagnosed with BV. Could this play a factor with my antibodies for testing?

If it said positive, then it's positive. There's no such thing as a false positive unless your test was a blue dye test. Congrats! You can look into medicaid if you can't afford to go to the Dr.

I have cyst on my ovaries and I had a positive test. So I scheduled an appt. and they did both urine and blood test and those came out positive. But I would suggest making an appt. so you have that extra confirmation.

I got a very faint positive. I took another later on around 1pm and I got a negative. What are the odds of a false positive? I'm nervous now. I'm having no symptoms of my period coming. I'm expecting it in three days. I'm having early pregnancy symptoms but don't want to trick myself into thinking I am. Please.... any input?

Is it possible to get a false positive on a pregnancy test 2 months after giving birth??? Thank you in advance!!!

The causes of false positive HSV2 tests are unknown. You'll find websites that talk about infection with other viruses in the herpes group, but that explains few if any false positive result. That your partner has a negative result is great, but it doesn't mean anything in regard to your test result. You still need additional testing if you want to sort this out.

Do you have the exact numerical results for your test you had done last week or did they really only say negative/positive?

Since this number is really low, and my only partner teste negative, my doctor said to forget about it since it is more than likely a false positive? which apparentally are not uncommon? What do you guys think? Just forget about the matter and keep an eye out for any possible lesions?

odds are this is a false positive unless your spouse is lying about other partners. unfortunately since this is your 3rd trimester, you are really limited in your options for confirming a low positive. The last trimester results in a natural hemodilution of your blood test makes accurately testing for herpes via blood tests difficult. at this point, ask more questions about your herpes blood test. make sure it was a hsv2 igg of 1.52 and not a combined igg or igm testing.

Has anyone got a false positive on a screen test for down syndrome or trismy 18-13? My paper work said im at risk I have an amino test on the 20th my chance was 1/270 do anyone have insight on the odds?

Hi All, this is my first time ever posting, but I have been reading a lot of forums and am encouraged by the support that everyone shows. I have been TTC for a year now. I had two monthes on clomid and ovulation tests said that I ovulated both monthes but no pregnancy. We decided to go off clomid since my doctor said I appeared to be ovulating. Also I should mention that I have been diagnosed with PCOD. Well this last month I tested for ovulation with a home kit and it said I ovulated.

Phenytoin false positive

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