An understanding of precautions and warnings with phenelzine before starting the medication can ensure a safe treatment process. Potential side effects include hypertensive crisis, suicidal behavior, and changes in blood sugar levels. Precautions and warnings with phenelzine also extend to people who are allergic to any of its active or inactive ingredients, have liver or kidney problems, or have congestive heart failure.
Any allergies, including allergies to foods, dyes, or preservatives.
Also, let your healthcare provider know if you:
Are pregnant or thinking of becoming pregnant
Are breastfeeding
Drink alcohol regularly.
Make sure to tell your healthcare provider about all other medicines you may be taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.