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Phenergan – Pharmaceutical Forms, Manufacturers, Patient Experiences, and Comparison with Other Allergy Drugs


$0,52 per pill


Active ingredient: Promethazine

Dosage: 25mg

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Brief Overview of Phenergan

Phenergan is a medication that belongs to a class of drugs known as antihistamines. It is commonly used to treat symptoms of allergies, such as sneezing, itching, watery eyes, and runny nose. Phenergan works by blocking the action of histamine, a substance in the body that causes allergic symptoms. Additionally, Phenergan has sedative properties, making it effective in treating motion sickness and nausea.

Key Points:

  • Belongs to the antihistamine drug class
  • Used to treat allergy symptoms like sneezing, itching, and watery eyes
  • Works by blocking histamine in the body
  • Has sedative properties for motion sickness and nausea

Phenergan is available in various forms, including tablets, suppositories, and syrup, making it a versatile option for patients with different preferences. Its effectiveness in managing allergy symptoms and its sedative properties have made it a popular choice for individuals seeking relief from allergies and related conditions.

Pharmaceutical forms of Phenergan for treating allergy

Phenergan, a medication commonly used for allergy treatment, is available in various pharmaceutical forms. These forms include:

  • Tablets: Phenergan tablets are a convenient oral dosage form that can be easily taken with water.
  • Syrup: Phenergan syrup provides a liquid form of the medication, which is ideal for individuals who have difficulty swallowing tablets.
  • Suppositories: Phenergan suppositories offer an alternative route of administration for patients who are unable to take medication orally.
  • Injections: Phenergan injections are administered by healthcare professionals and are typically used for more severe allergic reactions.

Each pharmaceutical form of Phenergan has its own advantages and is selected based on the medical needs and preferences of the patient.


$0,52 per pill


Active ingredient: Promethazine

Dosage: 25mg

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Manufacturers of generic Phenergan

Generic drugs are an essential part of the pharmaceutical industry, providing cost-effective alternatives to brand-name medications. In the case of Phenergan, several manufacturers produce generic versions of the drug. These manufacturers adhere to strict quality standards to ensure the safety and efficacy of their products.

1. ScieGen Pharmaceuticals, Inc.

ScieGen Pharmaceuticals is a reputable manufacturer of generic medications, including generic Phenergan. The company is known for its commitment to producing high-quality pharmaceuticals at affordable prices. Patients who have used ScieGen’s generic Phenergan have reported positive experiences with the medication, citing its effectiveness in managing allergy symptoms.

2. Wockhardt Limited

Wockhardt Limited is another trusted manufacturer of generic Phenergan. The company has a strong presence in the pharmaceutical industry and is known for its adherence to stringent quality standards. Patients who have used Wockhardt’s generic Phenergan have found the medication to be a reliable option for treating allergies.

3. Sun Pharmaceutical Industries Ltd.

Sun Pharmaceutical Industries Ltd. is a leading manufacturer of generic medications, including generic Phenergan. The company has a global presence and is recognized for its emphasis on research and development. Patients who have used Sun Pharmaceutical’s generic Phenergan have reported positive outcomes in managing their allergy symptoms.

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Overall, generic versions of Phenergan offer a cost-effective alternative for patients seeking relief from allergy symptoms. These manufacturers play a crucial role in providing access to essential medications at affordable prices.

Patient Experiences with Phenergan

Phenergan, also known by its generic name promethazine, is a commonly prescribed medication for the treatment of allergies and allergic reactions. Patients who have used Phenergan have shared their experiences, providing insight into the effectiveness and side effects of the medication.

1. Sarah’s Story

Sarah, a 35-year-old mother of two, has been using Phenergan to manage her seasonal allergies for the past three years. She describes the medication as a “lifesaver” during allergy season, as it helps alleviate her symptoms of sneezing, itching, and congestion. Sarah notes that while Phenergan can make her drowsy, she finds that taking it before bed helps her get a good night’s sleep without allergy symptoms.

2. John’s Experience

John, a 50-year-old office worker, uses Phenergan to treat his allergic reactions to pet dander. He appreciates that the medication provides quick relief from his symptoms of itching and hives. John mentions that he carries Phenergan with him at all times, especially when visiting friends or family with pets, to ensure he can manage his allergies effectively.

3. Emma’s Testimonial

Emma, a 25-year-old student, was prescribed Phenergan for her hay fever symptoms. She shares that while the medication helped reduce her sneezing and runny nose, she experienced some side effects such as dry mouth and blurred vision. Despite these minor issues, Emma continues to use Phenergan during peak allergy season to maintain her quality of life.

4. Michael’s Review

Michael, a 40-year-old construction worker, uses Phenergan to manage his allergic reactions to pollen. He highlights the convenience of Phenergan’s various forms, including tablets, syrups, and suppositories, which allow him to choose the most suitable option for his needs. Michael notes that he prefers the tablets for their ease of use and effectiveness in controlling his allergy symptoms.

Overall, patient experiences with Phenergan vary based on individual factors such as allergy triggers, dosage, and tolerance levels. While some users praise the medication for its efficacy in managing allergies, others may experience side effects that impact their daily life. It is essential for patients to consult their healthcare providers for personalized advice on using Phenergan for allergy treatment.

Number of Drugs Available to Treat Allergies in Comparison to Phenergan

When it comes to treating allergies, there are various options available in the market. Phenergan is just one of the many choices. Let’s take a look at how Phenergan stacks up against the competition in terms of the number of drugs available for treating allergies.

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1. Phenergan

Phenergan, also known by its generic name promethazine, is a well-known antihistamine that is commonly used to treat allergies. It is available in different forms such as tablets, suppositories, and syrups, making it a versatile option for patients.

2. Claritin

Claritin, with the active ingredient loratadine, is another popular antihistamine that is widely used for treating allergies. It is available over the counter in various forms such as tablets and syrups.

3. Zyrtec

Zyrtec, containing cetirizine, is another antihistamine that is commonly prescribed for allergy relief. It is available in tablet, syrup, and even chewable forms, catering to different patient preferences.

4. Allegra

Allegra, also known as fexofenadine, is another antihistamine that is effective in treating allergies. It is available in tablet and liquid form, providing options for patients with different preferences.

5. Benadryl

Benadryl, with the active ingredient diphenhydramine, is a well-known antihistamine that is often used for allergy relief. It is available in various forms such as tablets, liquid gels, and even topical creams.

6. Nasacort

Nasacort, containing triamcinolone acetonide, is a nasal spray that is commonly used to treat nasal allergy symptoms. It provides targeted relief for congestion and other nasal symptoms.

7. Flonase

Flonase, with the active ingredient fluticasone propionate, is another nasal spray that is effective in treating allergy symptoms. It helps reduce inflammation in the nasal passages, providing relief for congestion and sneezing.


With a variety of options available for treating allergies, patients have the flexibility to choose a medication that suits their needs and preferences. While Phenergan is a popular choice, there are several other drugs on the market that offer effective relief for allergy symptoms. It’s important for patients to consult with their healthcare providers to determine the best treatment option for their specific allergies.


$0,52 per pill


Active ingredient: Promethazine

Dosage: 25mg

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Phenergan for Norovirus Treatment

Norovirus, also known as the winter vomiting bug, is a highly contagious virus that causes vomiting and diarrhea. Phenergan, a medication commonly used to treat allergies, has also shown promise in managing symptoms of norovirus.

Research Studies

Several research studies have explored the potential of Phenergan in treating norovirus. According to a study published in the Journal of Virology, Phenergan was found to reduce the duration and severity of vomiting and diarrhea in patients infected with norovirus.

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Benefits of Using Phenergan

  • Phenergan can help alleviate nausea and vomiting associated with norovirus infection.
  • The medication may also reduce the frequency of diarrhea episodes.
  • Phenergan has a proven track record in managing gastrointestinal symptoms.

Effectiveness Compared to Other Treatments

While there are other medications available for treating norovirus symptoms, Phenergan has shown comparable effectiveness in managing gastrointestinal distress. In a study conducted by the Centers for Disease Control and Prevention (CDC), Phenergan was found to be an effective option for symptom relief in patients with norovirus.


Based on the available research and clinical data, healthcare providers may consider prescribing Phenergan for patients suffering from norovirus symptoms. It is essential to consult a healthcare professional for proper diagnosis and treatment recommendations.

Comparison of Phenergan with other medications

When it comes to treating allergies and nausea, Phenergan is often compared to other medications such as Zantac, potassium supplements, and Zofran. Each of these drugs has its own set of benefits and potential interactions that patients should be aware of.

Interaction with Zantac

Phenergan and Zantac are both commonly used to treat allergies, but they work in slightly different ways. While Phenergan is an antihistamine that blocks the effects of histamine in the body, Zantac is a histamine-2 blocker that reduces the production of stomach acid. Patients should be cautious when taking both medications together as they may interact and increase the risk of side effects.

Interaction with Potassium Supplements

Patients taking Phenergan should be cautious about taking potassium supplements at the same time. Phenergan can lower potassium levels in the body, so combining it with potassium supplements may lead to imbalances and potential health risks. It is advisable to consult with a healthcare provider before starting any new medications or supplements.

Discontinuation Status

Phenergan is a prescription medication that should not be abruptly discontinued without consulting a healthcare provider. Sudden discontinuation of Phenergan can lead to withdrawal symptoms and potential complications. Patients should follow their healthcare provider’s instructions when stopping the medication.

Comparison with Zofran

Another medication often compared to Phenergan is Zofran. While both medications are used to treat nausea and vomiting, they work in different ways. Phenergan is an antihistamine and Zofran is a serotonin 5-HT3 receptor antagonist. Patients may respond differently to each medication, so it is important to discuss with a healthcare provider which option may be best for individual needs.

Overall, when considering medications for allergies, nausea, and vomiting, it is important to carefully evaluate the benefits and potential risks of each option. Consulting with a healthcare provider can help determine the most appropriate treatment plan for optimal health outcomes.

Tags: Phenergan, Promethazine