Periactin Tablets Dosage
DOSAGE SHOULD BE INDIVIDUALIZED ACCORDING TO THE NEEDS AND THE RESPONSE OF THE PATIENT.
Although intended primarily for administration to children, the oral solution is also used for administration to adults who cannot swallow tablets.
The total daily dosage for children may be calculated on the basis of body weight or body area using approximately 0.25 mg/kg/day (0.11 mg/lb/day) or 8 mg per square meter of body surface (8 mg/m2).
Age 2 to 6 years
The usual dose is 2 mg (one teaspoonful) two or three times a day, adjusted as necessary to the size and response of the patient. The dose is not to exceed 12 mg a day.
Age 7 to 14 years
The usual dose is 4 mg (two teaspoonfuls) two or three times a day, adjusted as necessary to the size and response of the patient. The dose is not to exceed 16 mg a day.
The total daily dose for adults should not exceed 0.5 mg/kg/day (0.23 mg/lb/day). The therapeutic range is 4 to 20 mg a day, with the majority of patients requiring 12 to 16 mg a day. An occasional patient may require as much as 32 mg a day for adequate relief. It is suggested that dosage be initiated with 4 mg (two teaspoonfuls) three times a day and adjusted according to the size and response of the patient.
Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to sleepiness caused by Periactin Tablets. Tell your doctor if you regularly use any of these medicines, or any other antihistamine.
This list is not complete and other drugs may interact with Periactin Tablets. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Monoamine oxidase inhibitors (MAOIs) prolong and intensify the anticholinergic effects of antihistamines.
Periactin Tablets may have additive effects with alcohol and other CNS depressants like hypnotics, sedatives, tranquilizers and antianxiety agents.
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Information checked by Dr. Sachin Kumar, MD Pharmacology