Treats depression. This medicine is a monoamine oxidase (MAO) inhibitor.
MarplanThere may be other brand names for this medicine.
When This Medicine Should Not Be Used
How to Use This Medicine
- Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
- You may need to use this medicine for as long as 4 weeks before you start feeling better.
- This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
If a dose is missed:
- If you miss a dose or forget to use your medicine, use it as soon as you can. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up for a missed dose.
How to Store and Dispose of This Medicine
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows about all other medicines you are using. MAO inhibitors can be very dangerous if used with certain other medicines. You may need to wait at least 7 to 14 days after using this medicine before you start using another medicine. You must wait 5 weeks if you are changing from fluoxetine (Prozac®) to isocarboxazid (Marplan®).
- Make sure your doctor knows if you are using disulfiram (Antabuse®). Your doctor should know that you are using this medicine before you use a contrast dye such as metrizamide (Amipaque®).
- Tell your doctor if you are also using certain blood pressure medicines (such as atenolol, metoprolol, propranolol, or Toprol®) or a diuretic or "water pill" (such as hydrochlorothiazide or HCTZ).
- Do not drink alcohol while you are using this medicine. This includes Chianti wine, sherry, beer, non-alcohol or low alcohol beer and wine, and liqueurs.
- Tell your doctor if you drink alcohol or if you are using any medicine that makes you sleepy, such as allergy medicine or narcotic pain medicine.
- Certain foods and drinks can cause dangerously high blood pressure in people who are using an MAO inhibitor. This is more common with aged, smoked, or fermented foods that are high in protein. Some foods you should not eat are cheese (especially strong or aged kinds), sour cream, caviar, liver, canned figs, soy sauce, sauerkraut, fava beans, yeasts, and yogurt. Avoid smoked or pickled meat, poultry, or fish, such as sausage, pepperoni, salami, anchovies, or herring. Do not eat dried fruit (such as raisins), bananas, avocados, raspberries, or very ripe fruit.
- Do not drink or eat too much caffeine while you are using this medicine. Caffeine can be found in coffee, cola, chocolate, tea, and other foods and drinks. Ask your doctor how much caffeine is safe.
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breastfeeding, or if you have Parkinson's disease, angina (chest pain), kidney disease, liver disease, diabetes, or epilepsy. Your doctor also needs to know if you have schizophrenia, overactive thyroid, or a history of drug or alcohol addiction.
- Your blood pressure might get too high while you are using this medicine. This may cause headaches, blurred vision, and other symptoms. You might need to keep track of your blood pressure between doctor appointments. If you think your blood pressure is getting too high, call your doctor right away.
- For some children, teenagers, and young adults, this medicine can increase thoughts of suicide. Tell your doctor or your child's doctor right away if you or your child start to feel more depressed and have thoughts about hurting yourselves. Report any unusual thoughts or behaviors that trouble you or your child, especially if they are new or are getting worse quickly. Make sure the doctor knows if you or your child have trouble sleeping, get upset easily, have a big increase in energy, or start to act reckless. Also tell the doctor if you or your child have sudden or strong feelings, such as feeling nervous, angry, restless, violent, or scared. Let the doctor know if you, your child, or anyone in your family has bipolar disorder (manic-depressive) or has tried to commit suicide.
- Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.
- This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert. You may also feel lightheaded when getting up suddenly from a lying or sitting position, so stand up slowly.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Bright light bothering your eyes more than normal.
- Change in how much or how often you urinate.
- Changes in behavior, or thoughts of hurting yourself or others.
- Fast, slow, or pounding heartbeat.
- Feeling nervous, restless, anxious, agitated, or excited for no reason.
- Headache, especially in the back of your head.
- Lightheadedness or dizziness when getting up suddenly.
- Numbness, tingling, or burning pain in your hands, arms, legs, or feet.
- Seeing or hearing things that are not there, or severe confusion.
- Seizures, tremors, or muscle twitching.
- Stiff or sore neck.
- Tightness in your throat or chest.
- Trouble sleeping.
- Unusual sweating, sometimes with fever or cold skin.
- Vomiting and nausea.
If you notice these less serious side effects, talk with your doctor:
- Dry mouth
- Mild nausea, diarrhea, stomach pain, or constipation.
- Problems having sex.