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Doctor insights on: Medicine For Phenergan Allergy

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Is phenergan (promethazine) safe to give my 11 month old baby for allergy itchy skin he's 9.5 and how much can I give him plz?

Is phenergan (promethazine) safe to give my 11 month old baby for allergy itchy skin he's 9.5 and how much can I give him plz?

Babies and Meds: Phenergan (promethazine) or Promethazine should not be used in children younger than 2 years because it may cause serious (possibly fatal) slow/shallow breathing. When using this medication in older, kids the lowest effective dosage should be used, and other drugs that affect breathing should be avoided. Get medical help right away if slow/shallow breathing occurs.
For allergy, Benadryl or Claritin 1 tsf is safe ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Is phenergan (promethazine) safe for 11 month old baby for allergy and itchy mosquito bites he's 9.5 kg dr recommended 3 mls twice a day till symptoms are gone?

Is phenergan (promethazine) safe for 11 month old baby for allergy and itchy mosquito bites he's 9.5 kg dr recommended 3 mls twice a day till symptoms are gone?

Phenergan (promethazine): Phenergan (promethazine) is generally not recommendedfor children under 2 years of age since it can affect their breathing. Benadryl would be a better choice ...Read more

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I have sinus & eye allergies I use overthe counter medicine I find the effects are reduced is it possible to build a tolerance to otrivin & phenerghan?

I have sinus & eye allergies I use overthe counter medicine I find the effects are reduced is it possible to build a tolerance to otrivin & phenerghan?

Yes: Otrivin is a local decongestant, should not be used more than few days in a row, as continuous use would lead to rebound congestion, and shouldn't be used if you have cardiovascular disease, hypertension, diabetes, and others. Phenergan (promethazine) continuous usage can lead to tolerance: you need more of it after some time to have the same effect. See an allergist or ENT/ophthalmologist for management, good luck ...Read more

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I'm 18 weeks pregnant. Very nauseous, vomiting, and diarrhea for roughly 5 hours. Any OTC medication that might help?! Phenergen allergy.

I'm 18 weeks pregnant. Very nauseous, vomiting, and diarrhea for roughly 5 hours. Any OTC medication that might help?! Phenergen allergy.

See your doc: There are several causes of these symptoms- some are dangerous. It's best to be evaluated by a gynecologist first. You don't want to miss conditions such as gallbladder inflammation, appendicitis or some infection that could lead to complications in your pregnancy. Hope this helps. ...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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Are there any drug interactions between phenergan, (promethazine) percocet, and pepcid?

Yes: There are definitely drug interactions between Phenergan (promethazine) and Percocet which can lead to drowsiness, mental confusion and others which make operating motor vehicles possibly hazardous, falls possible, nausea to name a few. Be very cautious taking the two together and especially around machinery. ...Read more

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My sports medicine doctor gave me a script for Tylenol (acetaminophen) 3 for knee pain. & I take phenergan 25mg. Can I take this together or wait 2 hours apart.

My sports medicine doctor gave me a script for Tylenol (acetaminophen) 3 for knee pain. & I take phenergan 25mg. Can I take this together or wait 2 hours apart.

Timing: You can take them together but fatigue will be the biggest issue. Even with a two hour difference, the sedation could be noticeable. Likely smarter to separate them a bit. ...Read more

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Can I take a phenergan (promethazine) if I took Xanax?

Can I take a phenergan (promethazine) if I took Xanax?

Xanax, Phenergan (promethazine): Xanax is a medication for Anxiety
Phenergan (promethazine) used for Allergy or sometimes as sleep aid.
Do not use them together.
Using Xanax with Phenergan (promethazine) may increase dizziness, drowsiness, and difficulty concentrating. Some people may also experience some impairment in thinking and judgment.

See Psychiatrist for Xanax benefits and side effects and Therapy for Anxiety.
Do Breathing and Music Relaxation, Yoga ...Read more

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Does Phenergan (promethazine) depress your breathing?

Does Phenergan (promethazine) depress your breathing?

It's possible: Phenergan (promethazine) has been known to depress breathing in adults and this can be fatal in infants. It is a serious but rare reaction that can happen, so do not continue to take phenergan (promethazine) if you have noticed this, and contact your doctor so it can be noted in your chart. If you are having difficulty breathing, use your inhaler (if you have one). call emergency response if you are having difficulty. ...Read more

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Can I give phenergan (promethazine) elixir to eight month old baby?

Can I give phenergan (promethazine) elixir to eight month old baby?

No: Years ago this medication was used frequently in infants and children, but not any more. Reports of apnea, failure to breathe, with tragic results began appearing in kids under 2 years of age. There is a black box warning on this med for use in infants. If you have it on hand, store it for later use. ...Read more

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Why are nubain and phenergan (promethazine) administered togetherl?

Why are nubain and phenergan (promethazine) administered togetherl?

Synergistic: Nubain is semi-synthetic opiod analgesic while Phenergan (promethazine) is an antihistamine. The Phenergan (promethazine) is used in the postoperative period to reduce nausea and to potentiate the pain killing effects of the nubain. The hope is to use less Nubain and avoid its possible side effects by using the Phenergan (promethazine) with it. ...Read more

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Is it possible for the combination of phenergan (promethazine) and Zofran hurt me?

Is it possible for the combination of phenergan (promethazine) and Zofran hurt me?

Yes: These medications are metabolized ny the same enzyme system and can be dangerous when used together. Check with your prescriber or pharmacist. ...Read more

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Is it possible for me to take phenergan (promethazine) if I'm allergic to penicillan?

Yes you can: Phenergan (promethazine) and penicillin are totally different classes of medication. One is a first generation antihistamine, while the other (penicillin) is an antibiotics. You should take Phenergan (promethazine) safely if you have penicillin allergy. ...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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I've been taking phenergan / promethazine every night for sleep, I want to stop taking it but I am worried there will be with withdrawal?

I've been taking phenergan / promethazine every night for sleep, I want to stop taking it but I am worried there will be with withdrawal?

No withdrawal: Phenergan use does not cause physical dependence or withdrawals. However, if you use it daily, your body/brain becomes used to it and you may have some rebound insomnia on discontinuence. ...Read more

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Unbearable itch from sandfly bites woke me up at midnight, I've been taking 180mg telfast in AM, phenergan (promethazine) at night - not enough. Can I increase dose?

Unbearable itch from sandfly bites woke me up at midnight, I've been taking 180mg telfast in AM, phenergan (promethazine) at night - not enough. Can I increase dose?

Steroid?: Antihistamine does not usually work well in controlling the itching from an insect bite. Topical cortisone may but often only Rx strength cortisone is needed. See your doctor. The older antihistamine works by causing sedation. ...Read more

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EMERG 300mg Demerol by accident thought I was taking 200 and 25 phenergan (promethazine) but found the phenergan (promethazine) and relized I took an xtra Demerol. Will it hurt me?

Probably OK: If you have been taking 200 demerol with 25 phenergan (promethazine) then 300 demerol will probably be OK. Will just be more drowsy. Could have someone stay with you for a few hours to make sure you are not to drowsy. Don't take phenergan (promethazine) or any other med or alcohol for a while. ...Read more

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Does phenergan (promethazine) cause ED in men?

Does phenergan (promethazine) cause ED in men?

No: It is not a common side effect of phenergan (promethazine). If there is no other explanation may be you experience nd idiosyncratic reaction to it. ...Read more

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Is phenergan (promethazine) an antiemetic?

Among other things: Phenergan (promethazine) is a phenothiazine (most of the family are anti-psychotics) which is used primarily for its antihistaminic, antiemetic, & sedative effects. Because it also blocks acetylcholine, it can cause dry mouth, blurred vision, constipation, difficulty urinating. As a phenothiazine it may cause uncontrollable movement disorders (extrapyramidal reaction). Also a photosensitizer. ...Read more

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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

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Is it ok to take phenergan (promethazine) with suboxone?

Be cautious: The 2 together can lead to inc resp and CNS depression. Pls ask your prescribing doc. ...Read more

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The right dosage of phenergan (promethazine) for an 8 year old?

Depends: It is weight related but usually 6.25 mg is safe at that age. ...Read more

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What anti emetic is stronger stronger than phenergan (promethazine)?

Zofran (ondansetron): Zofran (ondansetron) is a stronger anti-emetic and does not have the same side effect profile. Discuss use of this medication with your physician to see if it is an option. ...Read more

Phenergan (Definition)

Promethazine is an inotrope which is a kind of heart ...Read more