Before taking amitriptyline with perphenazine, tell your doctor or pharmacist if you are allergic to it; or to other tricyclic antidepressants (such as nortriptyline); or to other phenothiazines (such as chlorpromazine, fluphenazine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: bleeding problems, decreased bone marrow function, breathing problems (such as asthma, emphysema), liver problems, low blood pressure, recent heart attack, breast cancer, problems urinating (such as due to enlarged prostate), overactive thyroid (hyperthyroidism), a certain eye problem (glaucoma), personal or family history of bipolar disorder, alcohol/substance abuse, family history of suicide, seizures, diabetes, conditions that may increase your risk of seizures (such as head injury, drug/alcohol withdrawal), a certain severe reaction to other medications (neuroleptic malignant syndrome), a certain adrenal gland tumor (pheochromocytoma), restless legs syndrome, Parkinson's disease.
Perphenazine/amitriptyline may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that require immediate medical attention. The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may affect the heart rhythm (see also Drug Interactions section). Before using perphenazine/amitriptyline, tell your doctor or pharmacist if you have any of the following conditions: certain heart problems (heart failure, slow heartbeat, QT prolongation in the EKG), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).
Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, vomiting, or eating disorders (such as bulimia). Talk to your doctor about using perphenazine/amitriptyline safely.
This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Avoid alcoholic beverages.
Before having any surgery, procedure, or imaging (such as X-ray, CT-scan), tell your doctor or dentist about this medication and all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen (SPF 30 or greater) and wear protective clothing when outdoors.
Caution is advised during hot weather because the perphenazine in this product can reduce sweating, increasing your risk for a severe reaction to too much heat (heatstroke). Drink plenty of fluids. Avoid strenuous exercise in hot weather. If you become overheated, promptly seek cooler shelter and/or stop exercising. Seek immediate medical attention if your body temperature is above normal or if you have mental/mood changes, headache, or dizziness.
Avoid exposure to certain chemicals used in gardening (organic phosphate insecticides). Seek immediate medical attention if you are exposed to garden chemicals and have an unusual headache, heavy sweating, or difficulty breathing.
If you have diabetes, this drug may increase your blood sugar levels. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor immediately if you have symptoms such as increased thirst/urination, shakiness, unusual sweating, or hunger. Your anti-diabetic medication or diet may need to be adjusted.
Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug, especially dizziness/drowsiness/confusion, bleeding, difficulty urinating, and muscle/nervous system problems such as extrapyramidal symptoms and tardive dyskinesia.
During pregnancy, this medication should be used only when clearly needed. Babies born to mothers who have used this drug during the last 3 months of pregnancy may infrequently develop symptoms including muscle stiffness or shakiness, drowsiness, feeding/breathing difficulties, or constant crying. If you notice any of these symptoms in your newborn anytime during their first month, tell the doctor right away.
Since untreated depression can be a serious condition, do not stop taking this medication unless directed by your doctor. If you are planning pregnancy, become pregnant, or think you may be pregnant, immediately discuss the benefi
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