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Commonly Used Brand Name(s)Eldepryl, Zelapar
Pharmacologic ClassificationsMonoamine Oxidase Inhibitor, Type B
- Proper Use
- Missed Dose
- Use & Storage
- Before Using
- Breast Feeding
- Drug Interactions
- Other Interactions
- Other Medical Problems
Selegiline is used in combination with levodopa or levodopa and carbidopa combination to treat Parkinson's disease (sometimes called shaking palsy or paralysis agitans). This medicine works to increase and extend the effects of levodopa, and may help to slow the progress of Parkinson's disease.
This medicine is available only with your doctor's prescription.
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Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.
It is best to take the capsules or tablets in the morning during breakfast and lunch. You should not use it with dinner because you may have trouble sleeping.
If you are using the disintegrating tablet, make sure your hands are dry before you handle the tablet. Do not open the blister pack that contains the tablet until you are ready to take it. Remove the tablet from the blister pack by peeling back the foil, then taking the tablet out. Do not push the tablet through the foil. Do not break or split the tablet. Place the tablet on the top of your tongue, where it will melt quickly. Do not eat food or drink liquids for 5 minutes before or after taking this medicine. It is best to take this medicine before breakfast.
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 Parkinson's disease:
- For oral dosage forms (capsules or tablets):
- Adults—5 milligrams (mg) two times a day, taken at breakfast and lunch. Your doctor may adjust your dose as needed.
- Children—Use and dose must be determined by your doctor.
- For oral dosage form (oral disintegrating tablets):
- Adults—At first, 1.25 milligrams (mg) once a day before breakfast, for at least 6 weeks. After 6 weeks, your doctor may increase your dose to 2.5 mg once a day.
- Children—Use and dose must be determined by your doctor.
- For oral dosage forms (capsules or tablets):
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.
Use & StorageTOP
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.
Ask your healthcare professional how you should dispose of any medicine you do not use.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of selegiline in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of selegiline in the elderly. However, elderly patients are more likely to have unwanted effects (such as hypertension, orthostatic hypotension, unusual drowsiness), which may require caution for patients receiving selegiline.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
- Methylene Blue
- St John's Wort
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Iobenguane I 123
- Iobenguane I 131
- Ma Huang
- Morphine Sulfate Liposome
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Estradiol Cypionate
- Estradiol Valerate
- Ethinyl Estradiol
- Ethynodiol Diacetate
- Insulin Aspart, Recombinant
- Insulin Bovine
- Insulin Degludec
- Insulin Detemir
- Insulin Glargine, Recombinant
- Insulin Glulisine
- Insulin Lispro, Recombinant
- Medroxyprogesterone Acetate
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following is usually not recommended, but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.
- Bitter Orange
- Tyramine Containing Food
Other Medical ProblemsTOP
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Dyskinesia (abnormal muscle movements) or
- Hypertension (high blood pressure) or
- Mental illness (eg, psychosis) or
- Postural hypotension (dizziness, lightheadedness, or fainting when getting up from a lying or sitting position)—Use with caution. May make these conditions worse.
- Kidney disease, severe—Use is not recommended in patients with this condition.
- Liver disease—Use with caution. Higher blood levels of selegiline may result, and cause an increase in side effects.
It is very important that your doctor check your progress at regular visits to allow for changes in your dose and to check for any unwanted effects.
Do not take selegiline if you have used meperidine (eg, Demerol®) or an MAO inhibitor (MAOI) (eg, isocarboxazid, phenelzine, tranylcypromine, Marplan®, Nardil®, or Parnate®) within the past 14 days. If you do, you may develop agitation, confusion, restlessness, stomach or intestinal symptoms, sudden high body temperature, extremely high blood pressure, or severe convulsions.
Do not take cyclobenzaprine, dextromethorphan (Robitussin®, Pediacare®), St. John's wort, or pain medicines (eg, methadone, propoxyphene, tramadol, Darvon®, Dolophine®, Ultram®) while you are using this medicine. Using these medicines together can cause unwanted effects.
Selegiline may cause a condition called serotonin syndrome when used together with certain MAO inhibitors (eg, phenelzine, rasagiline, tranylcypromine) and medicines to treat depression (eg, amitriptyline, doxepin, fluoxetine, fluvoxamine, nortriptyline, paroxetine, sertraline, Elavil®, Luvox®, Pamelor®, Paxil®, Prozac®, or Zoloft®). Symptoms of serotonin syndrome include: anxiety, restlessness, fast heartbeat, fever, sweating, muscle spasms, twitching, nausea, vomiting, diarrhea, seeing or hearing things that are not there.
When selegiline is taken at doses of 10 mg or less per day for the treatment of Parkinson's disease, there are no restrictions on food or beverages you eat or drink. However, the chance exists that dangerous reactions, such as sudden high blood pressure, may occur if doses higher than those used for Parkinson's disease are taken with certain foods, beverages, or other medicines. These foods, beverages, and medicines include:
- Foods that have a high tyramine content (most common in foods that are aged or fermented to increase their flavor), such as cheeses, fava or broad bean pods, yeast or meat extracts, smoked or pickled meat, poultry, or fish, fermented sausage (bologna, pepperoni, salami, summer sausage) or other fermented meat, sauerkraut, or any overripe fruit. If a list of these foods and beverages is not given to you, ask your doctor to provide one.
- Alcoholic beverages or alcohol-free or reduced-alcohol beer and wine.
- Large amounts of caffeine-containing food or beverages such as coffee, tea, cola, or chocolate.
- Any other medicine unless approved or prescribed by your doctor. This especially includes nonprescription (over-the-counter [OTC]) medicine, such as that for colds (including nose drops or sprays), cough, asthma, hay fever, and appetite control, “keep awake” products, or products that make you sleepy.
Also, for at least 2 weeks after you stop taking this medicine, these foods, beverages, and other medicines may continue to react with selegiline if it was taken in doses higher than those usually used for Parkinson's disease.
Check with your doctor or hospital emergency room immediately if severe headache, stiff neck, chest pains, fast heartbeat, or nausea and vomiting occur while you are taking this medicine. These may be symptoms of a serious side effect that should have a doctor's attention.
This medicine may make you drowsy. It may even cause you to fall asleep without warning while you drive, talk, or eat. Do not drive or do anything that could be dangerous until you know how this medicine affects you.
Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position. Getting up slowly may help. If the problem continues or gets worse, check with your doctor.
Selegiline may cause dryness of the mouth. For temporary relief, use sugarless candy or gum, melt bits of ice in your mouth, or use a saliva substitute. However, if your mouth continues to feel dry for more than 2 weeks, check with your medical doctor or dentist. Continuing dryness of the mouth may increase the chance of dental disease, including tooth decay, gum disease, and fungus infections.
Some people who have used this medicine had unusual changes in their behavior. Talk with your doctor if you start having problems with gambling or increased interest in sex while using this medicine.
Do not stop taking this medicine without first checking with your doctor. Your doctor may want you to reduce gradually the amount you are taking before stopping completely.
It is important that your doctor check your skin regularly for signs of a skin cancer called melanoma. If you notice any unusual red, brown, or black spots on your skin, talk to your doctor right away.