Precautions and warnings with protriptyline include being aware of certain drug interactions and looking out for potential side effects. Possible side effects of the medication include dry mouth, changes in blood sugar levels, and suicidal thoughts or behavior. Precautions and warnings with protriptyline also extend to those who have a history of bipolar disorder or who have recently had a heart attack.
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.