I took promethazine 6.25 mg oral cough syrup for ten days, mostly 2 ml per night, using the oral syringe. I stopped taking it a few days ago and noticed a severe bout of insomnia. Will this wear off soon? Has anyone else experienced this? The pharmacist assured me it should be out of my system in 40 hours and it is not addictive.
Promethazine - does discontinuing use cause insomnia?
Question posted by Natalie3398 on 2 Aug 2023
Last updated on 13 January 2024 by Deidavis23
Answers
Deidavis23
13 Jan 2024
I been taking the syrup for 5 years to sleep but now my doctor won’t subscribe me none haven’t been sleeping well ever since don’t know what to do?
Quando62
2 Aug 2023
YES, I took it for nausea and severe Insomnia for 20 years. Worked amazing. Then one day I had a severe allergic reaction to it and put me in psychosis. The pharmacist is correct, in 2 days you will be back to normal. I am also a pharmacist and run into this issue with customers all the time. Very strong Antihistamine. Your brain just has to reset itself. Hope you sleep well soon...
Related topics
cough, insomnia, promethazine, cough syrup, syringe, oral
Further information
- Promethazine uses and safety info
- Promethazine prescribing info & package insert (for Health Professionals)
- Side effects of Promethazine (detailed)
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