... take for it to become effective?
Hi i haven't heard of Phenergan being used to treat diarrhoea before, but i have just researched it. For the vomiting it should be effective quickly, usually with the first dose. For diarrhoea it may take a day or 2.
Hi Carol, I have taken phenergan before for vomiting and it worked quickly and great. The only side effect was it made me sleepy, but that was fine for me cause I had an awful stomach bug and felt awful. The diarrhea I am not sure how long, but it should definitely help. I looked up the interactions between ativan and phenergan and there are a little. Here us the info...
- Phenergan Information for Consumers
- Phenergan Information for Healthcare Professionals (includes dosage details)
- Side Effects of Phenergan (detailed)
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