Perphenazine; Amitriptyline tablets
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Perphenazine; Amitriptyline tablets
What is this medicine?
PERPHENAZINE; AMITRIPTYLINE (per FEN a zeen; a mee TRIP ti leen) is used to treat depression that may be accompanied by anxiety or agitation. This medicine is also used to treat schizophrenia.
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You can take this medicine with or without food. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking this medicine suddenly except upon the advice of your doctor. Stopping this medicine too quickly may cause serious side effects or your condition may worsen.
A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
anxious
breast enlargement in both males and females
breathing problems
changes in vision
confusion
elevated mood, decreased need for sleep, racing thoughts, impulsive behavior
eye pain
fast, irregular heartbeat
feeling faint or lightheaded, falls
feeling agitated, angry, or irritable
fever or chills, sore throat
hallucination, loss of contact with reality
seizures
signs and symptoms of high blood sugar such as being more thirsty or hungry or having to urinate more than normal. You may also feel very tired or have blurry vision.
stiff muscles
suicidal thoughts or other mood changes
tingling, pain, or numbness in the feet or hands
trouble passing urine or change in the amount of urine
trouble sleeping
uncontrollable head, mouth, neck, arm, or leg movements
unusually weak or tired
vomiting
yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
change in sex drive or performance
change in appetite or weight
constipation
dizziness
dry mouth
menstrual changes
nausea
tired
upset stomach
What may interact with this medicine?
Do not take this medicine with any of the following medications:
linezolid
MAOIs like Carbex, Marplan, Nardil, Parnate, and Xadago
methylene blue
metoclopramide
This medicine may also interact with the following medications:
alcohol
antihistamines for allergy, cough, and cold
atropine
certain medicine for bladder problems like oxybutynin, tolterodine
certain medicines for depression, anxiety, or psychotic disorders
certain medicines for irregular heart beat like amiodarone, deftilide, encainide, flecainide, propafenone, quinidine
certain medicines for sleep
certain medicines for stomach problems like dicyclomine, hyoscyamine
certain medicines for travel sickness like scopolamine
cimetidine
epinephrine
ethchlorvynol
general anesthetics like halothane, isoflurane, methoxyflurane, propofol
ipratropium
levodopa or other medicines for Parkinson's disease
lithium
medicines for blood pressure
medicines for seizures like phenobarbital, primidone, phenytoin
medicines that relax muscles for surgery
narcotic medicines for pain
topiramate
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from light. Keep container tightly closed. Throw away any unused medicine after the expiration date.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
bipolar disorder
blockage in your bowel
dementia
diabetes
difficulty swallowing
glaucoma
have trouble controlling your muscles
head injury
heart disease
if you often drink alcohol
kidney disease
liver disease
low blood counts, like low white cell, platelet, or red cell counts
low blood pressure
lung or breathing disease, like asthma
Parkinson's disease
pheochromocytoma
seizures
suicidal thoughts, plans or attempt; a previous suicide attempt by you or a family member
thyroid disease
trouble passing urine
an unusual or allergic reaction to amitriptyline, perphenazine, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
What should I watch for while using this medicine?
Visit your health care professional for regular checks on your progress. Tell your health care professional if symptoms do not start to get better or if they get worse. Do not stop taking except on your health care professional's advice. You may develop a severe reaction. Your health care professional will tell you how much medicine to take.
Patients and their families should watch out for new or worsening thoughts of suicide or depression. Also watch out for sudden changes in feelings such as feeling anxious, agitated, panicky, irritable, hostile, aggressive, impulsive, severely restless, overly excited and hyperactive, or not being able to sleep. If this happens, especially at the beginning of treatment or after a change in dose, call your health care professional.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
Do not treat yourself for coughs, colds, or allergies without asking your doctor or health care professional for advice. Some ingredients can increase possible side effects.
This medicine may increase blood sugar. Ask your health care provider if changes in diet or medicines are needed if you have diabetes.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.
This medicine can cause constipation. Try to have a bowel movement at least every 2 to 3 days. If you do not have a bowel movement for 3 days, call your doctor or health care professional.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
This drug can cause problems with controlling your body temperature. It can lower the response of your body to cold temperatures. If possible, stay indoors during cold weather. If you must go outdoors, wear warm clothes. It can also lower the response of your body to heat. Do not overheat. Do not over-exercise. Stay out of the sun when possible. If you must be in the sun, wear cool clothing. Drink plenty of water. If you have trouble controlling your body temperature, call your health care provider right away.
If you are going to have surgery, tell your doctor or health care professional that you are taking this medicine.
Updated:  
November 15, 2020