Valtec CR-500

Tablet · Cipla
PRESCRIPTION MEDICINE

Valtec CR-500 is a tablet made by Cipla that contains Sodium valproate 500 mg (sodium valproate + valproic acid). Sodium valproate is a anti-epileptic and mood stabiliser: prevents seizures and is used in bipolar disorder and migraine prevention.

Ingredient (salt)Amount
Sodium valproate500 mg (sodium valproate + valproic acid)

What it is used for

Prevents seizures and is used in bipolar disorder and migraine prevention.

How it works

An anti-epileptic and mood stabiliser that is very effective for many seizures and bipolar disorder.

How to take it

Usually twice a day, with or after food; swallow slow-release tablets whole. Regular blood tests may be needed.

Common side effects

  • Nausea
  • Weight gain
  • Hair thinning
  • Tremor
  • Drowsiness

Get medical help straight away if

  • Severe stomach pain (pancreatitis)
  • Yellow skin, vomiting or confusion (liver)
  • Bruising or bleeding

Be careful

Must not be used in pregnancy unless no alternative; needs liver tests.

Other medicines and interactions

Lamotrigine levels double with it (rash risk). Carbapenem antibiotics drop its level sharply. Aspirin raises its effect.

Pregnancy and breastfeeding

Causes serious birth defects and developmental problems. Girls and women who could become pregnant must use effective contraception and only take it under a pregnancy prevention plan; never stop suddenly, talk to your doctor first.

Same composition, other brands (8)

Encorate Chrono 500Torvate Chrono 500Valrate CR 500Valparin Chrono 500Epilex Chrono 500Kronostar 500Valprol CR 500Valporate Chrono-500

Ask your doctor or pharmacist before switching brands.

Same ingredients, different strength or form

Valparin 200Encorate Chrono 300

Common questions

What is Valtec CR-500?

Valtec CR-500 is a tablet by Cipla containing Sodium valproate 500 mg (sodium valproate + valproic acid).

What is Valtec CR-500 used for?

Prevents seizures and is used in bipolar disorder and migraine prevention.

How should I take Valtec CR-500?

Usually twice a day, with or after food; swallow slow-release tablets whole. Regular blood tests may be needed. Always follow the dose your doctor or the pack gives.

What are the side effects of Valtec CR-500?

Common side effects include: Nausea, weight gain, hair thinning, tremor, drowsiness. Get medical help straight away for: Severe stomach pain (pancreatitis), yellow skin, vomiting or confusion (liver), bruising or bleeding.

Does Valtec CR-500 need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Valtec CR-500 in pregnancy or while breastfeeding?

Causes serious birth defects and developmental problems. Girls and women who could become pregnant must use effective contraception and only take it under a pregnancy prevention plan; never stop suddenly, talk to your doctor first.

What are the substitutes for Valtec CR-500?

Brands with the same composition: Encorate Chrono 500, Torvate Chrono 500, Valrate CR 500, Valparin Chrono 500, Epilex Chrono 500, Kronostar 500, Valprol CR 500, Valporate Chrono-500. Ask your doctor or pharmacist before switching.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.