Drug Identity
Active Ingredient
Valproic Acid
Chemical Class
carboxylic acid
ATC Code
N03AG01
Status
Essential Medicine
What is Zalprocid?
manic episodes related to bipola...
used to treat manic episodes related to bipolar disorder ( manic depression ), and to prevent migraine headaches
How It Works
Chemical Class
carboxylic acid
It belongs to carboxylic acid. The Molecular Weight of Valproic Acid is 144.21. Its pKa is 4.8.
How to Take It
1
Adult · oral,parenteral
25 to 30 mg/kg/d — As recommended.
2
Adult
Scraped Dose
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed. Valproic
Safety Alerts
You should not use valproic acid if you are allergic to it, or if you have: liver disease
a urea cycle disorder
or a genetic mitochondrial (MYE-toe-KON-dree-al) disorder such as Alpers' disease or Alpers-Huttenlocher syndrome, especially in a child younger than 2 years old
Valproic acid can cause liver failure that may be fatal, especially in children under age 2 and in people with liver problems caused by a genetic mitochondrial disorder
Tell your doctor if you have ever had: liver problems caused by a genetic mitochondrial disorder
Important Warnings
Valproic acid can cause liver failure that may be fatal, especially in children under age 2 and in people with liver problems caused by certain genetic disorders
You should not use valproic acid if you have liver disease , a urea cycle disorder, or a genetic disorder such as Alpers' disease or Alpers-Huttenlocher syndrome
Do not start or stop taking this medicine during pregnancy without your doctor's advice
This medicine may harm an unborn baby or cause birth defects, but having a seizure during pregnancy could harm both mother and baby
Do not use valproic acid to prevent migraine headaches if you are pregnant
Call your doctor at once if the person taking this medicine has signs of liver or pancreas problems, such as: loss of appetite, upper stomach pain (that may spread to your back), ongoing nausea or vomiting, dark urine, swelling in the face, or jaundice (yellowing of the skin or eyes)
Do not stop using valproic acid without your doctor's advice
Stopping suddenly may cause a serious, life-threatening type of seizure
Side Effects
Get emergency medical help if you have signs of an allergic reaction (hivesdifficult breathingswelling in your face or throat) or a severe skin reaction (feversore throatburning eyesskin painred or purple skin rash with blistering and peeling). Seek medical treatment if you have a serious drug reaction that can affect many parts of your body. Symptoms may include: skin rashfeverswollen glandsmuscle achessevere weaknessunusual bruisingor yellowing of your skin or eyes. Call your doctor at once if the person taking valproic acid has signs of liver or pancreas problemssuch as: loss of appetiteupper stomach pain (that may spread to your back)
Drug Interactions
Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take
which may increase side effects or make the medications less effective. Many drugs can affect valproic acid. This includes prescription and over-the-counter medicines
vitamins
and herbal products . Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.
Storage
Store Between 15°C-30°C.
Price Intelligence
Rs 183.87
DRAP approved maximum price · per pack of 30 · approved 05 Sep, 2025
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper pack of 30Rs 183.87
Should you consider an alternative?
Other options containing Valproic Acid, and what they are not.
These contain this ingredient plus others. They are different medicines — do not swap.
Valset
250mg/5ml
Rs 97.08
NABIQASIM INDUSTRIES (PVT) LTD.
Divoxal
500mg/5ml
Rs 101.57
Pharmasol (Pvt) Ltd.
Valpsci
269.10mg
Rs 166.35
No DRAP alertsScilife Pharma Private Limited
Valpsci
538.20mg
Rs 285.17
No DRAP alertsScilife Pharma Private Limited
Valp-Sci
250mg
Rs 166.35 ceiling
No DRAP alertsScilife Pharma Private Limited
Valp-Sci
500mg
Rs 285.17 ceiling
No DRAP alertsScilife Pharma Private Limited
Valset
250mg
Rs 485.36 ceiling
NABIQASIM INDUSTRIES (PVT) LTD.
Valset
500mg
Rs 970.73 ceiling
NABIQASIM INDUSTRIES (PVT) LTD.
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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