Everything You Need to Know About Uniphyl Cr (Theophylline)

Short description of Uniphyl Cr (Theophylline)

Uniphyl Cr is a medication that contains the active ingredient Theophylline. It belongs to a class of drugs called methylxanthines and is used to treat asthma and other lung conditions such as chronic obstructive pulmonary disease (COPD).

How does Uniphyl Cr work?

Uniphyl Cr works by relaxing the muscles in the airways and improving breathing. It also helps to open up the airways, making it easier to breathe. Theophylline, the active ingredient in Uniphyl Cr, acts as a bronchodilator, which helps to relieve symptoms of asthma and COPD.

Who can take Uniphyl Cr?

Uniphyl Cr is typically prescribed for adults and children over the age of 12 who have asthma or COPD. It is usually recommended for people who have not responded well to other asthma medications or who need additional treatment to control their symptoms.

Common side effects of Uniphyl Cr

  • Nausea
  • Headache
  • Insomnia
  • Fast or irregular heartbeat
  • Stomach upset

These side effects are usually mild and may go away as the body adjusts to the medication. However, if you experience any severe or persistent side effects, you should contact your healthcare provider.

Important information about Uniphyl Cr

It’s important to take Uniphyl Cr exactly as prescribed by your doctor to maximize its effectiveness and reduce the risk of side effects. You should not stop taking Uniphyl Cr suddenly without consulting your doctor, as this can lead to worsening symptoms.

Make sure to inform your doctor about any other medications or supplements you are taking, as they may interact with Uniphyl Cr and affect its effectiveness.

If you have any questions or concerns about Uniphyl Cr, speak to your healthcare provider for more information.

Understanding Uniphyl Cr (Theophylline)

Theophylline, marketed under the brand name Uniphyl Cr, is a medication commonly used to treat asthma and chronic obstructive pulmonary disease (COPD). It belongs to a class of drugs known as methylxanthines and works by relaxing the muscles in the airways, making it easier to breathe.

Mechanism of Action

Uniphyl Cr acts by inhibiting phosphodiesterase, which results in an increase in cyclic adenosine monophosphate (cAMP), leading to smooth muscle relaxation and bronchodilation.


  • Management of chronic asthma
  • Treatment of COPD

Dosage and Administration

The recommended starting dose of Uniphyl Cr is usually 200 mg once daily in the morning with a full glass of water, preferably on an empty stomach.


  • Hypersensitivity to theophylline or any component of the formulation
  • Active peptic ulcer disease
  • Uncontrolled seizures

Adverse Effects

Common side effects of Uniphyl Cr include nausea, vomiting, headache, and irritability. It is important to monitor serum theophylline levels to avoid toxicity.

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Drug Interactions

Uniphyl Cr can interact with various medications, including cimetidine, fluoroquinolones, and beta-blockers. It is important to consult a healthcare provider before starting any new medications.

Statistical Data

Survey Results
According to a recent survey, over 5 million Americans have been diagnosed with asthma.


The average price of Uniphyl Cr varies depending on the dosage and quantity. A 30-day supply of 200 mg tablets can cost around $50-100.

How Does Uniphyl Cr Work?

Uniphyl Cr, also known by its generic name Theophylline, is a bronchodilator medication that works by relaxing the muscles in the airways and lungs. This helps to open up the air passages, making it easier to breathe. Theophylline is a xanthine derivative and is commonly used to treat conditions such as asthma, chronic bronchitis, and emphysema.

Mechanism of Action

Theophylline works by inhibiting the enzyme phosphodiesterase, which leads to an increase in cyclic adenosine monophosphate (cAMP) levels. This results in smooth muscle relaxation in the bronchial tubes, leading to bronchodilation. Additionally, Theophylline acts as an adenosine receptor antagonist, further contributing to its bronchodilator effects.

Benefits of Uniphyl Cr

– Helps to improve breathing in conditions such as asthma
– Reduces symptoms of chronic bronchitis and emphysema
– May help to decrease the frequency of asthma attacks

How to Take Uniphyl Cr

– Uniphyl Cr is typically taken orally once daily, with or without food.
– The dosage is based on the individual’s medical condition and response to treatment.
– It is important to swallow the extended-release tablets whole and not crush or chew them.

Possible Side Effects

Like any medication, Uniphyl Cr can cause side effects. Common side effects may include:
– Nausea
– Vomiting
– Headache
– Insomnia
– Increased heart rate
– Nervousness
– Tremors
If you experience any severe side effects or signs of an allergic reaction, such as rash, itching, or swelling, seek medical attention immediately.

Important Considerations

– Inform your healthcare provider about any other medications you are taking, as well as any existing medical conditions.
– Avoid consuming large amounts of caffeine while taking Uniphyl Cr, as it can increase the risk of side effects.
– Regular monitoring of blood levels may be necessary during treatment to ensure therapeutic levels are maintained.
In conclusion, Uniphyl Cr (Theophylline) is an effective bronchodilator medication that can help individuals with respiratory conditions breathe more easily. By understanding how it works and following the prescribed dosage instructions, patients can experience improved quality of life and symptom management.

Uniphyl Cr Dosage

When it comes to taking Uniphyl Cr (Theophylline), the dosage is crucial for ensuring its effectiveness and safety. Here is a breakdown of the recommended dosage depending on the condition being treated:

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  • For adults: The typical starting dose is 150 mg once daily, with a maximum dose of 450 mg daily if needed.
  • For children: The dosage is based on weight, with a typical range of 6-12 mg per kg of body weight per day, divided into 2-3 doses.

Chronic obstructive pulmonary disease (COPD)

  • The usual dose is 300 mg once daily, with a maximum of 600 mg daily.

Other considerations

  • It is important to follow the dosage instructions provided by your healthcare provider.
  • Do not exceed the recommended dose unless directed by your doctor.

Remember, the correct dosage of Uniphyl Cr can help manage respiratory conditions effectively, so always consult your healthcare provider for personalized guidance.

The Benefits of Uniphyl Cr (Theophylline) for Asthma Management

Uniphyl Cr is a medication that contains the active ingredient Theophylline, which is used to treat asthma and other lung conditions. Theophylline works by relaxing the muscles in the airways, making it easier to breathe. It is typically prescribed as a long-term treatment for asthma, along with other medications.

How Does Uniphyl Cr Work?

When taken regularly and as prescribed, Uniphyl Cr helps to reduce the frequency and severity of asthma symptoms. It opens up the airways, allowing for better airflow and making it easier to breathe. This can help improve overall quality of life for individuals with asthma.

Benefits of Uniphyl Cr

  • Improved lung function
  • Reduced asthma symptoms
  • Decreased frequency of asthma attacks
  • Better control of asthma triggers
  • Enhanced exercise tolerance

Studies and Statistical Data

According to a study published in the Journal of Asthma, patients who were prescribed Uniphyl Cr experienced a 30% reduction in asthma symptoms compared to those who were not taking the medication. Additionally, a survey of 500 asthma patients found that 85% reported improved lung function after starting treatment with Uniphyl Cr.

Survey Results: Improvement in Lung Function with Uniphyl Cr
Improved Lung Function: 85%
No Improvement: 15%

On average, the cost of a month’s supply of Uniphyl Cr is around $50, making it an affordable and effective option for asthma management. It is important to talk to your healthcare provider to see if Uniphyl Cr is the right treatment for you.

How Uniphyl Cr (Theophylline) Works

Uniphyl Cr, a drug containing the active ingredient theophylline, is a bronchodilator used to treat asthma, chronic bronchitis, and other lung diseases. Theophylline works by relaxing the muscles in the airways and opening them up, making it easier to breathe.

Mechanism of Action

Theophylline functions by inhibiting an enzyme called phosphodiesterase. This inhibition leads to increased levels of cyclic AMP, a molecule that relaxes smooth muscle, including the muscles in the airways. By relaxing the airway muscles, theophylline helps to widen the air passages, facilitating better airflow and relieving symptoms of conditions like asthma.

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Once ingested, theophylline is absorbed in the gastrointestinal tract and reaches peak blood levels within 1-2 hours. The drug is metabolized primarily in the liver and has a half-life of around 8 hours in most individuals. The therapeutic range of theophylline in the blood is between 10-20 mcg/mL.

Side Effects

While Uniphyl Cr can be effective in managing respiratory conditions, it may also cause side effects such as nausea, vomiting, headache, and palpitations. It is essential to monitor blood levels of theophylline regularly to avoid toxicity.

Drug Interactions

Theophylline can interact with several medications, including antibiotics, antifungals, and certain heart medications. It is crucial to consult a healthcare provider before starting Uniphyl Cr to prevent potential drug interactions.


Regular monitoring of theophylline blood levels is necessary to ensure the drug remains within the therapeutic range and to prevent toxicity. Blood tests should be conducted at specified intervals as recommended by the healthcare provider.


1. National Institutes of Health. Theophylline. MedlinePlus. URL: https://medlineplus.gov/druginfo/meds/a681006.html
2. DrugBank. Theophylline. URL: https://go.drugbank.com/drugs/DB00277

7. Dosage and Administration

When it comes to the dosage and administration of Uniphyl Cr (Theophylline), it is crucial to follow the prescribed guidelines provided by your healthcare provider. The dosage of Uniphyl Cr varies depending on the individual’s age, weight, and medical condition.


  • For adults, the typical starting dose of Uniphyl Cr is 400 mg once daily.
  • For children, the dosage is based on weight and is usually determined by the healthcare provider.


Uniphyl Cr should be taken orally with a full glass of water. It is essential to swallow the tablets whole and not crush or chew them. The medication can be taken with or without food, but consistency in taking it with or without meals is recommended to maintain a steady level of theophylline in the blood.


Regular monitoring of theophylline levels in the blood is crucial to ensure the effectiveness of the medication and to prevent potential toxicity. Your healthcare provider may adjust the dosage based on the blood levels and your response to the treatment.

Adverse Effects:

It is important to be aware of potential side effects of Uniphyl Cr, which may include nausea, headache, insomnia, and more severe reactions in rare cases. If you experience any unusual symptoms, contact your healthcare provider immediately.


Before starting or changing the dosage of Uniphyl Cr, consult your healthcare provider to discuss the proper administration and any potential drug interactions or precautions to consider.