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Doctor insights on: Long Term Effects Of Promethazine

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Long term side effects of phenergan (promethazine)?

Long term side effects of phenergan (promethazine)?

Seizures, rare.: Rare side effects include seizures, and neuroleptic malignant syndrome, a life-threatening neurological disorder. This consists of muscle rigidity, fever, autonomic instability, and cognitive changes such as delirium, and is associated with elevated plasma creatine phosphokinase. ...Read more

Dr. Syed H. Sajid
164 doctors shared insights

Promethazine (Definition)

Prevents and controls motion sickness, nausea, vomiting, and dizziness. Also used to relieve or prevent allergic reactions, helps people go to sleep, and control their pain or anxiety before or after ...Read more


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Can you tell me is phenergan (promethazine) harmful to take long term?

Can you tell me is phenergan (promethazine) harmful to take long term?

Consider this info: Most common side effects of Phenergan (promethazine) are drowsiness, dizziness, anxiety, blurred vision, dry mouth, stuffy nose, ringing in your ears, weight gain, swelling in your hands or feet, impotence, trouble having an orgasm, or constipation. Try this link for more info regarding long-term use: http://www.webmd.com/drugs/2/drug-9412/phenergan+injection/details ...Read more

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How long after the exportation date is promethazine 25 mg still good?

How long after the exportation date is promethazine 25 mg still good?

Expiration Date: I could not in good conscience recommend that a patient take a medication that is beyond its expiration date. I sorry that i could not answer your question. ...Read more

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What is the onset of action of Phenergan (promethazine) Transdermal Gel? How long does it last?

What is the onset of action of Phenergan (promethazine) Transdermal Gel? How long does it last?

Depends: On site of application and thickness of skin. Generally transdermal medications have an onset of less than an hour and last up to 6 hours. Thanks for trusting HealthTap! ...Read more

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Do aircomb (montelukast&desloratadine) and rupafin (rupatadine) meds contain promethazine? If so, how long will it take to get them out of my system?

Do aircomb (montelukast&desloratadine) and rupafin (rupatadine) meds contain promethazine? If so, how long will it take to get them out of my system?

No: promethazine is not that commonly used anymore and it is not present in any of the medication you are taking. As a rule of thumb, it will likely take about a week for a medication to clear completely some long-acting drug may take longer) but 1/2 of the drugs is usually gone in less than 24 hours. However each person has a different drug breakdown (catabolism) profile as would be each drug. ...Read more

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Please tell me the onset of action of Phenergan (promethazine) suppositories? How long after inserting can I use the restroom? How long will the medicine last?

Phenergan (promethazine) supp.: Phenergan (promethazine) suppositories usually dissolve completely and start to work in approximately half an hour. Phenergan (promethazine) is usually recommended at 4 hour intervals. ...Read more