Read the Medication Guide available from your pharmacist before you start using phenelzine and each time you get a refill. If you have any questions, consult your doctor or pharmacist.
Take this medication by mouth, usually 1 to 3 times a day as directed by your doctor. This medication may be taken with or without food. Dosage is based on your medical condition and response to therapy.
To reduce your risk of side effects, your doctor may start you at a low dose and gradually increase your dose. Once your condition improves and you are better for a while, your doctor may work with you to reduce your regular dose. Follow your doctor's instructions carefully. Do not take more or less medication or take it more frequently than prescribed. Your condition will not improve any faster and your risk of side effects will increase.
Use this medication regularly in order to get the most benefit from it. To help you remember, use it at the same time(s) each day. It may take several weeks for the full benefits of this medication to be noticed. Do not stop taking this medication without consulting your doctor.
This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses. In such cases, withdrawal symptoms (such as restlessness, confusion, hallucinations, headache, weakness, and diarrhea) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Consult your doctor or pharmacist for more details, and report any withdrawal reactions immediately.
Inform your doctor if your condition persists or worsens.