Secobarbital

For trouble in sleeping:
Adults--100 to 200 mg injected into a muscle.
Children--Dose is based on body weight or size and must be determined by your doctor. The usual dose is 3 to 5 mg per kg (1.4 to 2.3 mg per pound) of body weight, injected into a muscle. However, the dose is usually not more than 100 mg.

For sedation before dental procedures:
Adults--Dose is based on body weight and must be determined by your doctor. The usual dose is 1.1 to 2.2 mg per kg (0.5 to 1 mg per pound) of body weight, injected into a muscle ten to fifteen minutes before the procedure.

For sedation before surgery:
Children--Dose is based on body weight and must be determined by your doctor. The usual dose is 4 to 5 mg per kg (1.8 to 2.3 mg per pound) of body weight, injected into a muscle.

For seizures from tetanus:
Adults--Dose is based on body weight and must be determined by your doctor. The usual dose is 5.5 mg per kg (2.5 mg per pound) of body weight, injected into a muscle or vein. Dose may be repeated every three to four hours if needed.
Children--Dose is based on body weight and must be determined by your doctor. The usual dose is 3 to 5 mg per kg (1.4 to 2.3 mg per pound) of body weight, injected into a muscle or vein.

For trouble in sleeping:
Adults-- 50 to 250 mg injected into a vein.

For sedation before a nerve block:
Adults--100 to 150 mg, injected into a vein.

For seizures from tetanus:
Adults--Dose is based on body weight and must be determined by your doctor. The usual dose is 5.5 mg per kg (2.5 mg per pound) of body weight, injected into a muscle or vein. Dose may be repeated every three to four hours if needed.
Children--Dose is based on body weight and must be determined by your doctor. The usual dose is 3 to 5 mg per kg (1.4 to 2.3 mg per pound) of body weight, injected into a muscle or vein.

For trouble in sleeping:
Adults--100 milligrams (mg) at bedtime.
Children--Dose must be determined by your doctor.

For daytime sedation:
Adults--30 to 50 mg three or four times a day.
Children--Dose is based on body weight or size and must be determined by your doctor. The usual dose is 2 mg per kilogram (kg) (0.9 mg per pound) of body weight three times a day.

For sedation before surgery:
Adults--200 to 300 mg one or two hours before surgery.
Children--Dose is based on body weight and must be determined by your doctor. The usual dose is 2 to 6 mg per kg (0.9 to 2.7 mg per pound) of body weight one or two hours before surgery. However, the dose is usually not more than 100 mg.