Supporting evidence How this topic was developed References On this page Dose Contraindications and cautions Adverse effects Drug interactions Dose Promethazine is
It is used to ease allergy signs
Pregnancy For promethazine hydrochloride Most manufacturers of antihistamines advise avoiding their use during pregnancy; however, there is no evidence of teratogenicity
US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in
5 mg, 25 mg, or 50 mg promethazine HCl with ascorbyl palmitate, silicon dioxide, white wax, and cocoa butter
Pregnancy
When labor is definitely established, 25 to 75 mg (average dose, 50 mg) PHENERGAN Injection may be given with an appropriately reduced dose of any desired narcotic (see PRECAUTIONS – Drug
Promethazine crosses the placenta (Potts 1961)
Repeated use may pose a risk of infant sedation and may interfere with lactation Promethazine is used to prevent and treat nausea and vomiting related to certain conditions (such as before/after surgery, motion sickness )
Phenergan Injection is probably safe to use during breastfeeding
Promethazine's effects are noticeable within 20 minutes of oral administration
It is unclear if use of promethazine during pregnancy or breastfeeding is safe for the fetus
Bump leaflets are produced by the UK Teratology Information Service (), a not-for-profit national
Each pregnancy is different from person to person
Use of promethazine injection is not recommended in children younger than 2 years of age because of the increased risk of respiratory depression
For the treatment of hay fever your doctor or pharmacist may recommend a non-drowsy antihistamine
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Promethazine has been sold under brand names such as Phenergan®, Promethegan®, and Phenadoz®