PrescriptionGiant is a FREE prescription savings program that can save you up to 75% on your prescriptions with or without insurance!

T-Phyll (Generic Theophylline)

Actual product appearance may differ slightly.

Click the CARD below to print or take a screenshot on your mobile phone or tablet. There is no need to download another app!

If you would like to personalize your card enter your full name in the member name field below the card at this link and click the Update button.


Why is this medication prescribed?

Theophylline is a medication primarily prescribed to treat respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). It belongs to a class of drugs known as bronchodilators, which work by relaxing the muscles in the airways, making it easier to breathe. Here are some common reasons why Theophylline might be prescribed:

  • Asthma: Theophylline can be used as a long-term control medication for asthma to prevent and manage symptoms.
  • Chronic Obstructive Pulmonary Disease (COPD): It may be prescribed to individuals with COPD to improve airflow and reduce symptoms such as shortness of breath and wheezing.
  • Bronchitis: Theophylline may be used in some cases of chronic bronchitis to help open the airways.

How should this medicine be used?

Theophylline should be used exactly as prescribed by a healthcare professional. It’s important to follow the specific instructions provided by your doctor or pharmacist. Here are general guidelines for the use of Theophylline:

  • Dosage: Take the medication exactly as prescribed. The dosage will depend on various factors, including your age, weight, overall health, and the specific respiratory condition being treated.
  • Timing: Theophylline is typically taken orally, and the dosing frequency can vary. It may be prescribed once, twice, or more times a day. It’s crucial to follow the prescribed schedule consistently.
  • Consistency: Try to take Theophylline at the same times each day to maintain a consistent level of the medication in your system. This helps ensure its effectiveness and reduces the risk of side effects.
  • Avoid Crushing or Chewing: Swallow the tablets or capsules whole with a full glass of water. Avoid crushing or chewing extended-release forms, as this can affect their release mechanism and lead to an overdose.
  • Food and Timing: Theophylline can be taken with or without food, but it’s essential to be consistent. Taking it with food or on an empty stomach should be done the same way each time, as food can affect the absorption of the medication.
  • Avoid Alcohol and Certain Foods: Limit or avoid the consumption of alcohol and certain foods (like grapefruit or grapefruit juice) while taking Theophylline, as they can interact with the medication.
  • Regular Monitoring: Your doctor will likely monitor the levels of Theophylline in your blood through blood tests. Regular monitoring is crucial to ensure that the drug is within the therapeutic range and to prevent potential toxicity.
  • Missed Doses: If you miss a dose, take it as soon as you remember. If it’s close to the time for your next dose, skip the missed one and continue with the regular schedule. Do not double up on doses to make up for a missed one.
  • Side Effects: Be aware of potential side effects and report any unusual symptoms to your healthcare provider promptly.

Always communicate openly with your healthcare provider about your medication, and inform them of any other medications, supplements, or herbal products you may be taking. This helps prevent potential interactions and ensures the best possible management of your respiratory condition. If you have any concerns or questions about the use of Theophylline, consult your healthcare provider for personalized advice.

Other uses for this medicine

There are some other uses for this medication as well. However, these uses are less common and may require careful consideration by a healthcare professional:

  • Apnea of Prematurity: Theophylline may be used in premature infants to stimulate breathing.
  • Heart Failure: In some cases, Theophylline may be considered as an adjunctive treatment for certain types of heart failure.

What special precautions should I follow?

Regarding special precautions for Theophylline, here are some important considerations:

  • Regular Monitoring: Blood levels of Theophylline should be regularly monitored to ensure that they are within the therapeutic range. This helps prevent potential toxicity.
  • Individualized Dosing: The dosing of Theophylline is highly individualized. It’s important to follow the prescribed dose and not adjust it without consulting a healthcare professional.
  • Avoiding Toxicity: Theophylline has a narrow therapeutic range, meaning that the difference between a therapeutic dose and a toxic dose is relatively small. Therefore, it’s crucial to avoid exceeding the prescribed dose.
  • Potential Interactions: Theophylline can interact with various medications, including certain antibiotics, antifungal drugs, and others. Inform your healthcare provider about all the medications, supplements, and herbal products you are taking.
  • Avoiding Certain Substances: Limit or avoid the consumption of substances that can interact with Theophylline, such as alcohol and certain foods like grapefruit or grapefruit juice.
  • Medical Conditions: Inform your healthcare provider about any pre-existing medical conditions, especially liver or kidney disease, heart problems, or a history of seizures.
  • Pregnancy and Breastfeeding: If you are pregnant or breastfeeding, discuss the risks and benefits of using Theophylline with your healthcare provider. The medication can pass into breast milk.
  • Smoking: Smoking can increase the metabolism of Theophylline, leading to lower blood levels. If you smoke or quit smoking, your doctor may need to adjust your dosage.

It’s crucial to communicate openly with your healthcare provider about your medical history, current medications, and any concerns or side effects you may experience. Always follow your healthcare provider’s instructions and attend regular check-ups to monitor your response to Theophylline. If you have any questions or concerns, consult your healthcare professional for guidance.

What special dietary instructions should I follow?

Special Dietary Instructions for Theophylline:

  • Consistent Diet: If you take Theophylline with food, try to be consistent with your dietary habits. Taking it with or without food should be done the same way each time.
  • Avoid Certain Foods and Drinks: Limit or avoid consuming large amounts of foods and drinks that can interact with Theophylline, such as caffeine-containing products and grapefruit or grapefruit juice.

What should I do if I forget a dose?

  • Take It as Soon as Possible: If you forget a dose, take it as soon as you remember.
  • Skip If Close to Next Dose: If it’s close to the time for your next scheduled dose, skip the missed one. Do not double up on doses to make up for a missed one.
  • Consult Healthcare Provider: If you are unsure about what to do or if you have missed multiple doses, consult your healthcare provider for guidance.

What side effects can this medication cause?

Theophylline, like any medication, can cause side effects. It’s important to note that not everyone will experience these side effects, and the severity and likelihood of side effects can vary from person to person. Common side effects are often mild and may diminish with continued use. However, some side effects can be serious and may require medical attention. Here are some potential side effects associated with Theophylline:

Common Side Effects:

  • Nausea or Vomiting: Some people may experience nausea or vomiting, especially when starting Theophylline. Taking the medication with food or a full glass of water may help alleviate this.
  • Headache: Headaches are a relatively common side effect.
  • Insomnia or Sleep Disturbances: Theophylline is a stimulant and can cause difficulty sleeping.
  • Nervousness or Restlessness: Some individuals may feel jittery or restless.
  • Increased Heart Rate (Tachycardia): Theophylline can cause an increase in heart rate.

Less Common but Potentially Serious Side Effects:

  • Severe Nausea or Vomiting: Persistent or severe nausea and vomiting may be a sign of Theophylline toxicity.
  • Irregular Heartbeat (Arrhythmia): Theophylline can affect heart rhythm, and in some cases, it may lead to arrhythmias.
  • Seizures: High levels of Theophylline in the blood can potentially lead to seizures.
  • Allergic Reactions: Rarely, individuals may experience allergic reactions, such as rash, itching, swelling, severe dizziness, or difficulty breathing.
  • Signs of Liver Problems: Yellowing of the eyes or skin (jaundice), dark urine, persistent nausea, or abdominal pain may indicate liver problems.
  • Signs of Kidney Problems: Changes in urine output, swelling in the ankles or feet, or persistent fatigue may be signs of kidney issues.

It’s crucial to seek medical attention if you experience any severe or persistent side effects. Additionally, contact your healthcare provider if you notice any new or unusual symptoms while taking Theophylline.

Certain factors, such as age, overall health, and the presence of other medical conditions, can influence the likelihood and severity of side effects. Always communicate openly with your healthcare provider about your health and any concerns you may have.

This list is not exhaustive, and individual responses to medications can vary. If you have specific questions or concerns about Theophylline or its side effects, consult your healthcare provider for personalized advice.

What should I know about storage and disposal of this medication?

Storage and Disposal of Theophylline:

  • Storage:
    • Store Theophylline at room temperature, away from moisture and heat.
    • Keep the medication in its original packaging or container.
    • Avoid exposing the medication to direct sunlight.
    • Follow any specific storage instructions provided by your pharmacist or healthcare provider.
  • Disposal:
    • Dispose of expired or unused Theophylline properly.
    • Do not flush medications down the toilet or pour them into drains unless instructed to do so.
    • Consult with your local pharmacy or healthcare provider for guidance on proper disposal methods.

In case of emergency/overdose

  • Seek Immediate Medical Attention: If you suspect an overdose or experience severe symptoms, seek emergency medical attention. Symptoms of overdose may include nausea, vomiting, restlessness, confusion, seizures, irregular heartbeat, and potentially life-threatening complications.
  • Contact Poison Control: If you suspect an overdose but the person is conscious and alert, you may contact your local poison control center or the national poison hotline for guidance.

What other information should I know?

  • Regular Monitoring: Regular blood tests are often necessary to monitor Theophylline levels in your blood. This helps ensure that the drug is within the therapeutic range and avoids potential toxicity.
  • Inform Healthcare Providers: Inform all healthcare providers involved in your care about your use of Theophylline, including dentists and emergency medical professionals.
  • Interactions: Inform your healthcare provider about all medications, supplements, and herbal products you are taking, as certain substances may interact with Theophylline.
  • Avoid Smoking: If you smoke, inform your healthcare provider, as smoking can affect the metabolism of Theophylline.
  • Medical Alert Bracelet: If you have a history of serious health conditions or allergies, consider wearing a medical alert bracelet or carrying a medical alert card to inform emergency responders about your medication.
  • Regular Healthcare Follow-ups: Attend regular follow-up appointments with your healthcare provider to monitor your response to Theophylline and discuss any concerns or side effects.
  • Pregnancy and Breastfeeding: If you are pregnant, planning to become pregnant, or breastfeeding, discuss the use of Theophylline with your healthcare provider. The risks and benefits should be carefully considered.

Always follow your healthcare provider’s instructions and consult them with any questions or concerns. If you have an emergency or suspect an overdose, seek immediate medical attention. Keep all medications out of reach of children and pets.

Copyright © 2023 PrescriptionGiant.com