Perphenazine Tablets

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Perphenazine Tablets

Perphenazine Tablets Consumer (continued)

SIDE EFFECTS: Drowsiness, constipation, dry mouth, dizziness, blurred vision, tiredness, or unexplained weight gain may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Some people using this medication do not have serious side effects.

This drug may cause muscle/nervous system problems (extrapyramidal symptoms-EPS). Your doctor may prescribe another medication to decrease these side effects. Therefore, tell your doctor immediately if you notice any of the following side effects: increased anxiety, drooling/trouble swallowing, restlessness/constant need to move, shaking (tremor), shuffling walk, stiff muscles.

Tell your doctor immediately if any of these unlikely but serious side effects occur: difficulty urinating.

This medication may cause a condition known as tardive dyskinesia. In some cases, this condition may be permanent. Tell your doctor immediately if you develop any involuntary/repetitive muscle movements such as lip smacking/puckering, tongue thrusting, chewing, or finger/toe movements.

In rare cases, perphenazine may increase your level of a certain chemical made by the body (prolactin). For females, this increase in prolactin may result in unwanted breast milk, missed/stopped periods, or difficulty becoming pregnant. For males, it may result in decreased sexual ability, inability to produce sperm, or enlarged breasts. If you develop any of these symptoms, tell your doctor immediately.

Tell your doctor immediately if any of these rare but very serious side effects occur: easy bruising/bleeding, slow/fast/irregular heartbeat, signs of infection (e.g., sore throat), severe muscle spasm/cramping (e.g., twisting neck, arching back, eyes rolling up), persistent nausea, seizures, stomach/abdominal pain, dark urine, yellowing eyes/skin.

This drug may rarely cause a serious (sometimes fatal) nervous system problem (neuroleptic malignant syndrome-NMS). Seek immediate medical attention if you notice any of the following rare but very serious side effects: fever, stiff muscles, increased sweating, fast heartbeat, mental/mood changes, change in the amount of urine.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the Perphenazine Tablets (perphenazine) Side Effects Center for a complete guide to possible side effects

PRECAUTIONS: Before taking perphenazine, tell your doctor or pharmacist if you are allergic to it, or to other phenothiazines (e.g., 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.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: decreased bone marrow function, serious head injury, severe liver problems, severe nervous system problem (e.g., coma, drug/alcohol overdose, shock), Parkinson's disease.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: history of alcohol/substance abuse, low blood pressure, breathing problems (e.g., asthma, emphysema), breast cancer, fast/slow/irregular heartbeat, heart valve problems, a certain adrenal gland tumor (pheochromocytoma), restless legs syndrome, seizure disorder, a certain severe reaction to other medications (neuroleptic malignant syndrome), difficulty urinating (e.g., due to prostate problems).

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.

To reduce dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.

This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Caution is advised during hot weather because perphenazine 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.

Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug, especially dizziness and muscle/nervous system problems such as extrapyramidal symptoms and tardive dyskinesia (see Side Effects).

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Do not stop taking this medication unless directed by your doctor. 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.

Perphenazine passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.

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Perphenazine Tablets - User Reviews

Perphenazine Tablets User Reviews

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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