Phenobarbitone Tablet 30mg

About Phenobarbitone Tablet 30mg

Phenobarbitone Tablet 30mg Uses

• Long term control of generalized tonic clonic (grand mal) seizures
• Control of partial (focal) seizures
• Emergency management of status epilepticus
• Treatment of seizures in newborn babies
• Short term sedation before certain surgical or diagnostic procedures

Phenobarbitone Tablet 30mg Benefits

• Provides reliable, long acting seizure control with once or twice daily dosing
• Low cost and widely available across Pakistan compared to newer anticonvulsants
• Backed by decades of established clinical safety data in adults and children
• Useful as add on therapy when other anticonvulsants fail to fully control seizures
• Can be used in neonates and infants under close medical supervision

What Experts Say

Neurologists prescribe Phenobarbitone Tablet 30mg because phenobarbital slows abnormal electrical activity in the brain by enhancing GABA mediated inhibition. This makes it effective for generalized and partial seizures, and it remains a first line option in many public sector hospitals because of its low cost and long half life, which allows once or twice daily dosing in most patients.

Because phenobarbital is a barbiturate, physicians treat it as a controlled substance that needs careful monitoring. Doctors start with a low dose and raise it gradually while checking blood levels, since too high a dose can cause excessive sedation, breathing problems, or dependence. Sudden discontinuation is avoided, since it can trigger rebound seizures or withdrawal, so any dose change is made gradually under medical supervision.

Pakistan carries a high burden of epilepsy, and many patients in both public and private care rely on phenobarbital because newer anticonvulsants are often costly or hard to access. Experts stress that this medicine should never be self adjusted or shared with another person, and that regular follow up visits are needed to track seizure control, side effects, and any signs of tolerance or dependence.

Drug Class

• Barbiturate anticonvulsant and sedative hypnotic

Phenobarbitone Tablet 30mg formula

• Phenobarbital (Phenobarbitone)

Available forms

• Tablet

How to use Phenobarbitone Tablet 30mg?

• Take Phenobarbitone Tablet 30mg exactly as prescribed by your doctor, usually once or twice daily
• Swallow the tablet whole with a full glass of water, with or without food
• Take the dose at the same time each day to maintain steady blood levels
• Do not stop taking this medicine suddenly, even if seizures are controlled, unless your doctor advises it
• Attend regular follow up visits for blood level checks and dose adjustment

Drug Interactions

• Alcohol and Other Sedatives: Combining phenobarbital with alcohol, benzodiazepines, or opioid painkillers increases the risk of severe sedation and slowed breathing
• Oral Contraceptives: Phenobarbital induces liver enzymes that can reduce the effectiveness of birth control pills, raising the risk of unplanned pregnancy
• Warfarin: Enzyme induction can lower warfarin levels and reduce its blood thinning effect, requiring closer INR monitoring
• Corticosteroids: Phenobarbital can speed up the breakdown of steroid medicines, reducing their effectiveness
• Other Anticonvulsants: Levels of phenytoin, carbamazepine, and valproate can shift when combined with phenobarbital, needing dose review
• Antidepressants and Antipsychotics: These can add to sedation and lower the seizure threshold when combined with phenobarbital

Risks and warnings

• Dependence Risk: Long term or high dose use of phenobarbital can lead to physical dependence and withdrawal seizures if stopped abruptly
• Excessive Sedation: This medicine can cause significant drowsiness, especially when treatment starts or the dose is increased
• Driving and Machinery: Avoid driving or operating heavy machinery until you know how this medicine affects your alertness
• Pregnancy Caution: Phenobarbital can affect fetal development and increase bleeding risk in newborns, so use only under close obstetric and neurology supervision
• Respiratory Depression: Combining this medicine with other sedatives or alcohol can slow breathing to a dangerous degree
• Elderly and Children: Older adults and young children are more sensitive to sedation and need careful dose adjustment

Phenobarbitone Tablet 30mg Side Effects

• Drowsiness and sedation
• Dizziness or unsteady walking
• Confusion, especially in elderly patients
• Slurred speech
• Nausea or vomiting
• Skin rash or allergic reaction
• Low mood or irritability
• Difficulty concentrating or memory problems
• Low blood pressure with high doses
• Physical dependence with long term use
• Breathing difficulty with overdose or combined sedative use

Storage Conditions

• Store Phenobarbitone Tablet 30mg at room temperature, between 15°C and 30°C
• Keep the tablets in their original blister pack, away from direct sunlight and heat
• Keep this medicine in a locked cabinet, out of reach of children, given its controlled substance status
• Keep away from moisture, and do not store in the bathroom
• Do not use tablets past their expiry date, and dispose of unused medicine safely rather than in household trash