Drug Identity
Active Ingredient
Phenytoin Sodium
Drug Class
Neuro
ATC Code
N03AB02
Status
Essential Medicine
What is Epitoin?
Uses
Phenytoin is an anti-epileptic drug, also called an anticonvulsant . Phenytoin works by slowing down impulses in the brain that cause sei...
How It Works
Administered by direct IV injection into a large vein. The rate of IV injection should not exceed 50 mg/min in adults or 1-3 mg/kg/min in neonates. Following IV injection, NaCI 0.9% should be injected through the same needle or catheter to reduce irritation.
How to Take It
1
Adult · PO
150 to 300 mg — 24 hourly
2
Adult
Scraped Dose
Take phenytoin exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your
3
Child · Oral
3.75 to 4.5 — 12 hourly
For Children 3-6 Yrs of Age
Safety Alerts
Acute porphyria, sinus bradycardia, sino-atrial block, and second- and third-degree heart block, Stokes-Adams syndrome, moderate or severe renal impairment, severe hepatic impairment
Important Warnings
Hepatic dysfunction
Withdraw drug gradually
With intravenous use: Heart failure, hypotension, injection solutions alkaline (irritant to tissues), respiratory depression, resuscitation facilities must be available
Consider vitamin D supplementation in patients who are immobilised for long periods or who have inadequate sun exposure or dietary intake of calcium
Intramuscular phenytoin should not be used (absorption is slow and erratic)
Side Effects
Aggressionanxietyataxiablurred visionchanges in appetiteconfusiondiplopiadizzinessdrowsinessdysarthriagait disturbanceirritabilitymalaisenauseasuicidal behavior
Drug Interactions
: Coumarin anticoagulants
doxycycline
isoniazid
chloramphenicol
oral contraceptives.
Pregnancy & Lactation
Pregnancy
Avoid unless the potential benefit outweighs the risk.
Lactation
Contraindicated, avoid
Storage
Caps, Syrup Store in a well closed container, Below 40°C. Inj Store at room temperature. Do not Freeze.
Price Intelligence
Rs 89.17
Servaid observed price · as of 30 July 2026
No approved ceiling matched to this exact pack and strength.
Prices across sources
ServaidRs 89.17
Should you consider an alternative?
Other options containing Phenytoin Sodium, and what they are not.
Same active ingredient, a different dose. Never switch strength without your doctor or pharmacist.
Dilantin
30mg/5ml
Rs 43.58
PFIZER
Deltoin
125mg/5ml
Rs 57.48
Macter International Limited
Epigran
5ml
Rs 60.58
ATCO
Deltoin
250mg/5ml
Rs 2,408.59
Macter International Limited
Fentin
50mg
Rs 485.38 ceiling
GEOFMAN PHARMACEUTICALS
Epigran
50mg
Rs 1,384.94 ceiling
ATCO LABORATORIES LIMITED
Epigran
100mg
Rs 223.74 ceiling
ATCO LABORATORIES LIMITED
Epigran
125mg
Rs 60.58 ceiling
ATCO LABORATORIES LIMITED
Guerir
100mg
Rs 251.37 ceiling
S.J & G. Fazul Ellahie (pvt) limited.
Guerir
30mg
Rs 45.7 ceiling
S.J & G. Fazul Ellahie (pvt) limited.
Guerir
250mg
Rs 2,951.85 ceiling
S.J & G. Fazul Ellahie (pvt) limited.
Deltoin
100mg
Rs 627.7 ceiling
Macter International Limited
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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