Is there any drug interactions between macrobid and celexa (citalopram)?

No: Macrobid is an antibiotic for treating bacterial infections ( remember to finish all antibiotics regimen). Celexa (citalopram) is generally used as an antidepressant.. It works best if taken consistently. Watch for drowsiness/dizziness and do not stop abruptly. Take care.

Check and see: You can use a drug interaction checker whenever you have questions about drug-drug interactions or drug - food interactions. Here is one option (Drugs.Com): https://www.drugs.com/drug_interactions.php Your pharmacist is also an excellent source of information.