What weight do you use for phenytoin?
What weight do you use for phenytoin?
Table 1 – IV phenytoin loading dose
Weight (kg) | IV Loading Dose (mg) | Volume of IV phenytoin (ml) (vial = 250mg/5ml) |
---|---|---|
35-44 | 700 | 14 |
45-54 | 900 | 18 |
55-64 | 1100 | 22 |
65-74 | 1250 | 25 |
How do you calculate phenytoin levels?
If clcr < 20 mL/min then Corrected Phenytoin = Total Phenytoin Level / ( (0.1 x albumin) + 0.1) This is so cool!
How much Dilantin can you take?
Adult Dosage The recommended starting dose for adult patients who have received no previous treatment is one 100-mg DILANTIN (extended phenytoin sodium capsule, USP) by mouth three times daily. Adjust the dosage to suit individual requirements up to a maximum of two capsules three times a day.
Why is phenytoin given at night?
Why Is Phenytoin Given At Night? Phenytoin is commonly administered in the evening or at night. So that by the morning, there is sufficient concentration of the drug in the tissues and blood. This would reduce the risk or chances of a morning epileptic seizure.
How often should a DILANTIN level be checked?
A level can be taken 2-4 hours following an IV loading or top-up dose (12-24 hours for oral doses) and levels should then be monitored every 24 hours until control is achieved and concentration has stabilised.
How often should a Dilantin level be checked?
What is a high Dilantin level?
Twenty to 30 mg/L: Nystagmus. Thirty to 40 mg/L: Ataxia, slurred speech, tremor, nausea, and vomiting. Forty to 50 mg/L: Lethargy, confusion, hyperactivity. Greater than 50 mg/L: Coma and seizures.
What are the symptoms of too much Dilantin?
Symptoms
- Coma.
- Confusion.
- Staggering gait or walk (early sign)
- Unsteadiness, uncoordinated movements (early sign)
- Involuntary, jerky, repeated movement of the eyeballs called nystagmus (early sign)
- Seizures.
- Tremor (uncontrollable, repeated shaking of the arms or legs)
- Sleepiness.
What is a toxic level of DILANTIN?
What is the difference between phenytoin and Dilantin?
Dilantin, made by Parke-Davis, is the brand name for phenytoin (FEN-ih-toyn). For more than 50 years, it’s helped people with epilepsy keep their seizures under control.
What should you not take with Dilantin?
You should not use Dilantin if you also take delavirdine (Rescriptor), or if you are allergic to phenytoin, ethotoin (Peganone), fosphenytoin (Cerebyx), or mephenytoin (Mesantoin).