Uses: Celexa is prescribed for Depression and is mostly mentioned together with this indication. In addition, our data suggest that some patients take it for Anxiety and Panic Attacks, although this is not an approved use*. Note: This document contains side effect information about citalopram. Some of the dosage forms listed on this page may not apply to the brand name Celexa. Summary. Breast pain is found among people who take Citalopram hydrobromide, especially for people who are female, 40-49 old , have been taking the drug for 1 month, also take medication Clonazepam, and have Insomnia. Citalopram can pass into breast milk and may harm a nursing baby. You should not breast-feed while you are using Celexa. You should not breast-feed while you are using Celexa. Do not give Celexa to anyone under 18 years old without medical advice. Summary. Breast tenderness is found among people who take Celexa, especially for people who are female, 50-59 old , have been taking the drug for 1 - 6 months, also take medication Percocet, and have Birth control. Keep in mind that a number of other things can cause breast pain. Your doctor may consider any possible underlying causes for your symptoms. Your doctor may have you stop taking Lexapro for a period of time to see whether your breast tenderness improves. I was just prescribed citalopram and I took my second dose today. About a half hour ago I experienced a sharp shooting pain in my chest, on the left hand side. How to use Celexa. Read the Medication Guide and, if available, the Patient Information Leaflet provided by your pharmacist before you start taking citalopram and each time you get a refill. Celexa appears in breast milk and will affect the nursing infant. You should consider discontinuing either breastfeeding or Celexa. Talk with your doctor about the pros and cons of each option. You should consider discontinuing either breastfeeding or Celexa. I have the same upper left breast pain. (under arm pit) I also feel it once and a while on the right side as well. I just recently changed jobs and am experiencing a lot of stress.