Promethazine may be administered in pill, syrup, chewable tablet, or extended release capsule form by prescription only. For severe nausea, it may be administered by injection or via a suppository.
Yes, if you want them to keep for more than a day.
after opening yes
they don't have to, but they keep longer if they do
Promethazine acts as an antihistamine, you shouldn't need to take 24 hour allergy while on this medication.
Who discovered promethazine
I do not have personal experience with using a soap suppository.
No one should be taking Promethazine without a prescription, so you would need to ask your doctor or prescribing physician.
No since the suppository is absorbed through the rectal mucosa.
Yes you need a script from your doctor to obtain Promethazine (Phenergan) it's not an over the counter drug.
Promethazine (Brand Name: PHENERGAN) Diphenhydramine (Brand Name: BENADRYL) These medications can safely be taken in combination therapy together. Phenergan is widely used to treat nausea/vomiting and comes in an injectable, suppository and pill form and can only be obtained with a prescription. Benadryl, commonly used for allergies (itchy eyes, runny nose,sneezing) Benadryl can be bought over the counter for as needed use. Just follow your Doctors orders with Phenergan and the label directions with Benadryl.
Does promethazine contain aspirin