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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
178 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 if you took talwin (pentazocine) and promethazine together how long will it take to get out of your system?

What if you took talwin (pentazocine) and promethazine together how long will it take to get out of your system?

4-5 days: Probably 4-5 days for this to clear your system. Not a good idea to take this unless prescribed by a doctor. ...Read more

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How long after taking 50mg of Benadryl (diphenhydramine) do I have to wait before taking promethazine?

Not recommended : It is not a good idea to combine these two sedating first generationantihistamines
half-life of Benadryl (diphenhydramine) is 8 hours, that means 25 mgm is still in your system. ...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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Taking promethazine 25 mg for 3 months experienced blurred vision that does not clear up. How long will this last or is it permanent or reversal?

Taking promethazine 25 mg for 3 months experienced blurred vision that does not clear up. How long will this last or is it permanent or reversal?

Blurred vision: The blurred vision is from an anticholinergic effect from the medication. This should resolve. However, if not imporving in a 24-hour period get checked. Talk to your doctor about a different medication for drugs. ...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

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How long should it take for the swelling from phenergan (promethazine) IM to subside? Lump on upper arm present 4weeks, last 5 days pain below the area too. Thanks

How long should it take for the swelling from phenergan (promethazine) IM to subside? Lump on upper arm present 4weeks, last 5 days pain below the area too. Thanks

Concerned: Normally after an injection a small area can swell but should rapidly subside. If you have had it for 4 weeks it is possible you are having an infection or reaction. Please see a doctor as soon as possible. ...Read more

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I had a nurse who pushed phenergan (promethazine) in my hand and it burned so bad now my hand still feels bruised and my vein is hard. How long will this last?

I had a nurse who pushed phenergan (promethazine) in my hand and it burned so bad now my hand still feels bruised and my vein is hard. How long will this last?

Too long. Get seen!: One of phenergan's black box warnings is severe tissue injury to injected areas due to chemical irritation and tissue damage which causes burning, pain, thrombophlebitis (clots in little veins) and tissue death in the local area injected. If you still have a hard vein and the burning pain is continuing, you should have it checked out by a physician. Some cases need minor surgery to treat. ...Read more

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Had a breast augmentation on Wed (Jan 7). Was prescribed hydrocodne/acetaminophen 7.5/325mg, Valium 5mg, and Promethazine 25mg. I did not realize until tonight (January 11th) having drinks with a friend that the half-life of Valium is so long. I last too

Had a breast augmentation on Wed (Jan 7).
Was prescribed hydrocodne/acetaminophen 7.5/325mg, Valium 5mg, and Promethazine 25mg. 
I did not realize until tonight (January 11th) having drinks with a friend that the half-life of Valium is so long.
I last too

Finish the question: The drugs you are taking are standard post op. prescriptions for augmentations but you should not be using very much of the medicine by now. Ibuprofen (Advil (ibuprofen) etc.) should be sufficient. Get off the valium and all will settle down. ...Read more

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So what are side effects of promethazine hydrochloride pills?

So what are side effects of promethazine hydrochloride pills?

Multiple effects: Promethazine is a potent antihistamine that can cause dizziness, drowsiness, dry mouth, nausea, vomiting, weakness and occasionally more serious central nervous system side effects. It is usually well tolerated in most people. ...Read more

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Side effects of promethazine hydrochloride?

Seizures.: Common side effects of this antihistamine include, tardive dyskinesia, confusion in the elderly, drowsiness, dizziness, fatigue, vertigo, respiratory depression, constipation, euphoria, and short temper/irritability. Rare side effects include seizures, and neuroleptic malignant syndrome, a life-threatening neurological disorder. Because of capacity for more severe side effects, avoid in elderly. ...Read more

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I am on the anti nausea drug promethazine. What are the common side effects?

Numerous side effect: Serious side effects--twitching and uncontrollable movement, shaking, drooling, restlessness, agitated, high fever, stiff musles, lightheaded, seizures, hallucinations, abdominal pain, rash, joint pain, low heart rate. Less serious---dizzyness, blurred vision, dry mouth, ringing in ears, weight gain, constipation. ...Read more

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I would like to be prescribed to promethazine w/codeine for my allergies, sneezing cough, insomnia, restlessness, agitation, anti-pshychotic effects.

I would like to be prescribed to promethazine w/codeine for my allergies, sneezing cough, insomnia, restlessness, agitation, anti-pshychotic effects.

Prescriptions: If you see your physician, s/he will take your history and examine you -- and also order any diagnostic tests that might help diagnose your condition. Sounds like you've been reading up on the possible effects of Promethazine w/codeine -- but your doctor will be the one to determine what, if anything, s/he feels is appropriate to prescribe. Best wishes. ...Read more

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How much promethazine can you give a 11year old that weighs 130lbs?

Adult Dose 25mgm: 12.5 starting dose.Usual dose is 25 mgm orally but needs to be repeated every6to8 hours.Dose also depends on the indication you are using for.It is a prescription medicine and can be dipenced as liquid,pills,suppository and injections.It is used for allergy symptoms,skin hives,motion sickness and for nausea and vomiting,Discuss with the Pediatrician what you are using for. ...Read more

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How much promethazine is "safe" to take if you don't want to overdose?

How much promethazine is "safe" to take if you don't want to overdose?

This the infomation: Parenteral: 25 mg IV or im once, followed by close observation for response. This dose may be repeated within 2 hours if needed. Oral therapy should be started as soon as feasible if continued medication is required.

Oral: 25 mg orally once. This dose may be repeated every 4 hours as needed.

Rectal: 25 mg administered rectally once. This dose may be repeated every 4 hours as needed. ...Read more

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What's promethazine vc syrup?

For resp infection: This medicine contains Promethazine and phenylephrine. This medicine is most commonly used for temporary relief of upper respiratory symptoms including nasal congestio associated with allergy or the common cold. ...Read more

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Where can I buy promethazine codeine?

Promethazine codeine: You can purchase this from a pharmacy with a prescription from a medical provider. ...Read more

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Does promethazine have codeine in it?

Does promethazine have codeine in it?

No: Promethazine is an antihistamine, similar to benadryl (diphenhydramine). It frequently is combined with dextromethorphan or Codeine to suppress coughing in prescription or otc medications. ...Read more

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What does promethazine dm do to the body?

Drugs: Promethazine is an antihistamine and increases the viscosity of your mucus secretions and makes you tired. The DM stands for dextromethorphan which is a synthetic narcotic which acts on the CTZ (central triggering zone) in the brain stem to turn off cough. It reduces coughing but doesn't address the central problem of why you're coughing, the presence of the mucus. ...Read more

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Can I take promethazine if I have bronchitis?

Can I take promethazine if I have bronchitis?

Probably OK: The only concern would be if your are certain medications for your bronchitis especially certain antibiotics which can make side effects of promethazine more likely. I would recommend you check with your doctor. ...Read more