Drug information provided by: IBM Micromedex
To lessen stomach upset, take this medicine immediately after meals or with food, unless your doctor has told you to take it on an empty stomach.
Do not take more of this medicine and do not take it more often than your doctor ordered. This is particularly important for elderly patients, since they are more sensitive to the effects of this medicine.
Sometimes perphenazine and amitriptyline combination must be taken for several weeks before its full effect is reached.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
For oral dosage form (tablets):
For certain mental and emotional conditions:
Adults—At first, 1 tablet taken three or four times a day. Your doctor may increase your dose if needed.
Children—Use and dose must be determined by your doctor.
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.