valproic-acid

(valproic acid)

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Treats and prevents seizures.

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Our bottom line

valproic-acid (valproic acid) is good for treating certain types of seizures, but can cause weight change and hair loss.

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    $482.20
Quick facts about valproic-acid
  • Drug class: Neurology
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (valproic acid)

Upsides

  • Lowers the frequency of seizures, especially for people with absence seizures and complex partial seizures.
  • valproic-acid (valproic acid) is available as a generic in pill and liquid form.
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What to expect from valproic-acid, on one page

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Downsides

  • It can take 3 to 4 weeks before you feel the full effects of valproic-acid (valproic acid).
  • valproic-acid (valproic acid) is not a good option for people with liver problems.
  • You'll need regular blood tests to see how valproic-acid (valproic acid) is affecting your body.
  • valproic-acid (valproic acid) can cause you to bleed more easily.
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How it works

valproic-acid (valproic acid) is an antiepileptic. It increases the amount of GABA, a chemical that calms nerves in the brain.

Quick facts about valproic-acid
  • Drug class: Neurology
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (valproic acid)

Used for

Dosage forms

  • Pill
  • Liquid
Tried valproic-acid? Write a review!

Prices and coupons

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What to expect when you take valproic-acid (valproic acid) for Epilepsy

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  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Effectiveness
  • Starts to kick in
    Full effects
  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Possible side effects
  • Nausea
  • Headache
  • Tremor
  • Sleepiness
  • Feeling weak
  • Hair loss
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Side effect rates for valproic-acid (valproic acid)

From 147 clinical trials of valproic-acid when taken for epilepsy
  • Nausea
    48%48%
    14%14%
  • Headache
    31%31%
    21%21%
  • Feeling weak
    27%27%
    7%7%
  • Vomiting
    27%27%
    7%7%
  • Sleepiness
    27%27%
    11%11%
  • Tremor
    25%25%
    6%6%
  • Dizziness
    25%25%
    13%13%
  • Abdominal pain
    23%23%
    6%6%
  • Double vision
    16%16%
    9%9%
  • Diarrhea
    13%13%
    6%6%
  • Anorexia
    12%12%
  • Lazy eye/blurred vision
    12%12%
    9%9%
  • Flu syndrome
    12%12%
    9%9%
  • Infection
    12%12%
    6%6%
  • Upset stomach
    8%8%
    4%4%
  • Lack of muscle control
    8%8%
    1%1%
  • Involuntary eye movement
    8%8%
    1%1%
  • Fever
    6%6%
    4%4%
  • Exaggerated changes in mood
    6%6%
    4%4%
  • Abnormal thinking
    6%6%
  • Hair loss
    6%6%
    1%1%
  • Weight loss
    6%6%
  • Constipation
    5%5%
    1%1%
  • Amnesia
    5%5%
    1%1%
  • Bronchitis
    5%5%
    1%1%
  • Stuffy nose
    5%5%
    4%4%
0%
10%
20%
30%
40%
50%
60%
70%
80%
Where we got our data »

The placebo bar shows how common a side effect was for people taking a sugar pill instead of valproic-acid.

valproic-acid (valproic acid)
Placebo

People taking valproic-acid felt side effect more

People taking valproic-acid felt side effect less

No difference

Risks and Warnings for valproic-acid (valproic acid)

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  • valproic-acid (valproic acid) can cause harm to the unborn baby if you take it while you are pregnant. If you're pregnant or thinking about getting pregnant, talk to your doctor about alternatives.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking valproic-acid (valproic acid)

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Food
  • Take with food to avoid upset stomach. Swallow the pill whole.