Constipation -- Chronic - I know that my constipation is caused by my antidepressants. I have tried?

I mis-spoke- I said Lexapro and not Effexor... sorry

Try this liquid drink called Magnesium Citrate. It is a small bottle that you can find next to the laxatives. Drink half of it the first day,
(refrigerate it, tastes better cold), and if it doesn't work, take the rest the following day. The cost is $1.99 per bottle and you should find it at Walgreens. Good Luck!

Then there can be a problem with Lexapro:

If your condition is still giving you problems I would ask the doctor to change your medication.

https://www.drugs.com/sfx/lexapro-side-effects.html

• Headache -- in up to 24 percent of people
• Nausea -- up to 18 percent
• Ejaculation problems -- up to 14 percent (see Lexapro Sexual Side Effects)
• Extreme tiredness -- up to 13 percent
• Insomnia -- up to 12 percent (see Lexapro and Insomnia)
• Dry mouth -- up to 9 percent (see Lexapro and Dry Mouth)
• Fatigue -- up to 8 percent
• Increased sweating -- up to 8 percent
• Diarrhea -- up to 8 percent
• A decreased sex drive -- up to 7 percent
• Orgasm problems -- up to 6 percent
• Constipation -- up to 6 percent
• Dizziness -- up to 5 percent.