If experienced, these tend to have a Severe expression. It works by preventing the effects of a substance called histamine, which is produced by the body Phenergan is a prescription medication used to treat acute allergic reactions and symptoms of seasonal allergies, to provide sedation, to prevent and treat nausea and motion sickness, and can also be added to existing pain medication regimens for pain relief in certain situations Phenergan belongs to a group of drugs called antihistamines What are the possible side effects of promethazine (Pentazine, Phenergan, Promacot)? It works by preventing the effects of a substance called histamine, which is produced by the body Side effects of promethazine associated with cholinergic blockage include dryness of the eyes, mouth and nose, blurred vision, urinary hesitancy and retention, constipation and phenergan reactions tachycardia. See what others have said about Promethazine, including the effectiveness, ease of use and side effects Ondansetron and promethazine belong to different drug classes. Promethazine may also be used for purposes not listed in this medication guide. Ondansetron is an anti-nausea medication and promethazine is a phenothiazine. Monitor patient for onset of extrapyramidal side effects (akathisia—restless- ness; dystonia— musclespasmsandtwistingmotions; pseudoparkinsonism— mask-likeface,rigidity,tremors,drooling,shufﬂinggait,dysphagia).Notifyhealth.These interactions may lead to undesirable side effects (such as drowsiness or dizziness) or reduce the effectiveness of the medications BRAND NAME(S): Phenergan. It blocks the effects of the naturally occurring chemical histamine in your body Promethazine is used therapeutically as an antiemetic, an adjunct for procedural sedation, and for allergic reactions. It is also used to help treat pain or nausea after surgery. Side effects requiring immediate medical attention. Phenergan Tablets and Suppositories are contraindicated in comatose states, and in individuals known to be hypersensitive or to have had an idiosyncratic reaction to promethazine or to other phenothiazines Promethazine is used to relieve the symptoms of allergic reactions such as allergic rhinitis (runny nose and watery eyes caused by allergy to pollen, mold or dust), allergic conjunctivitis (red, watery eyes caused by allergies), allergic skin reactions, and allergic reactions to blood or plasma products Promethazine is an antihistamine used to treat a variety of conditions, such as allergies, motion sickness, and post-surgery pain relief. Some persons, who will take in Phenergan, will sometimes experience dermatological side effects, which are part of the Phenergan side effects, such as photosensitivity, urticaria and dermatitis. Phenergan Tablets and Suppositories are contraindicated in comatose states, and in individuals known to be hypersensitive or to have had an idiosyncratic reaction to promethazine or to other phenothiazines Promethazine may lead to impaired thinking or reaction time. reports of suspected phenergan side effects / adverse reactions Below is a sample of reports where side effects / adverse reactions may be related to Phenergan. Side effects of ondansetron and promethazine that are similar include drowsiness and sedation, constipation, and dizziness.. Gastrointestinal disorders. 10G Switch; Cabling; Rosuvastatin in diabetic hemodialysis patients. The signs may include: a rash, swallowing or breathing problems, swelling of your lips, face, throat. Phenergan is metabolized by specific liver enzymes known as CYP 2D6 and CYP 2B6. This could potentially lead to serious Phenergan side effects If pramlintide, anticholinergic drugs, or monoamine oxidase inhibitors are taken together with Phenergan, drug interactions may occur. Promethazine should not be used in children younger than 2 years because it may cause serious (possibly fatal) slow/shallow breathing. Amelioration of allergic reactions to blood or plasma Dermographism Promethazine hydrochloride is a phenothiazine used to treat or prevent nausea and vomiting caused by anesthesia or surgery, certain types of allergic reactions, pain caused by surgery or childbirth, and to sedate patients before surgery or medical procedures. Monitor patient for onset of extrapyramidal side effects (akathisia—restless- ness; dystonia— musclespasmsandtwistingmotions; pseudoparkinsonism— mask-likeface,rigidity,tremors,drooling,shufﬂinggait,dysphagia).Notifyhealth. These include allergies, motion sickness, nausea and vomiting, anxiety before surgery, and pain after surgery. It is available in generic and brand versions.