Dyphylline (Oral)


Dyphylline is a bronchodilator used to expand and dilate the bronchial tubes. It is a xanthine derivative, which is a type of drug used in the treatment of breathing problems. This drug is not an emergency medication, and should not be used as such. However, when taken orally it can help encourage better breathing in people suffering from asthma and bronchitis.

Talk to your doctor before taking this drug if you have a history of heart/liver/kidney problems. This drug may aggravate your existing symptoms and cause additional side effects. Do not take this drug if you are on any interactive medications. Your doctor may ask you to switch or stop other prescriptions during your treatment with this drug. If this is an issue, you may need to look into other solutions.

This is taken orally and should be taken in the morning. Take this drug as prescribed, do not attempt to take extra as this may result in increased side effects or overdose. In the event of an overdose, contact poison control or emergency medical services. Be ready to tell them how much was taken and when.

Before taking this drug, weigh up the pros and cons of your treatment. If you believe you may just require an emergency inhaler or another form of medication, talk to your doctor. Do not stop taking this medication without your doctor's approval.

Conditions Treated

Type Of Medication

  • Xanthine derivative
  • Bronchodilator

Side Effects

This drug may come with side effects, especially if you have never taken a drug of this nature before. These side effects are mild in most cases, and they may go away the longer you take this drug. If they persist or become troubling, talk to your doctor for a solution. Common, mild side effects include:

  • Nervousness, restlessness or excitability
  • Diarrhea
  • Headache
  • Upset stomach
  • Nausea and vomiting

These side effects are mild and should not require medical attention. If they worsen or persist to the point where your daily life is affected, schedule an appointment to speak to your doctor.

Some side effects are more serious and may be a sign that this medication is not right for you. If these side effects occur, stop taking dyphylline and contact your doctor right away. If you think you may require medical attention, contact emergency services immediately. While these side effects are rare, medications may affect every patient differently.

  • Blood in the urine
  • Shaking or weakness
  • Confusion
  • Seizures
  • Throwing up blood
  • Stool or vomit that looks like coffee grounds
  • Abnormal or accelerated heartbeat
  • Fast breathing
  • Passing out or dizziness

Keep track of your side effects after beginning your prescription, and report anything abnormal to your doctor. This list is not exhaustive, so you might experience additional side effects. If you experience rash, trouble breathing, hives, or swelling of the face and mouth, stop using this medication and contact your doctor immediately. Allergies are rare, but the can be dangerous if they do occur.


Dosage may vary from person to person, and your dosage may fluctuate depending on how you react to the first dose, how the medicine works for you, and if you build an immunity to the drug. Only take dosing advice from your doctor, and do not try to change your dosage yourself without proper approval. Taking too much of this drug can cause overdose, and taking too little can reduce the efficacy of this medication.

The regular, recommended dose for dyphylline can vary. However, some generic or brand name forms of this drug can have a different potency. Talk to your doctor or pharmacist about how much active ingredient is in each individual pill, make sure you understand the dosing process before taking this drug.

This medication should only be taken orally. Ask your pharmacist if you can crush the pills. You can take this medication with food. If you miss a dose, take it as soon as you remember or wait for your next dose. Do not take extra.


This drug may interact with medications you are already taking. Keep a list of all your prescription, over-the-counter (OTC) and herbal medications. Give this to your doctor, be sure to let them know if you are taking anything that is not listed.

Common drugs that may interact with dyphylline include:

  • Adenosine
  • Regadenoson
  • Riociguat

This list is not exhaustive, but these are three of the most common drugs taken by patients using dyphylline. While the internet can be a good source of information, always inform your doctor first. Do not begin taking any new medications while using dyphylline, and always get their approval before beginning any new prescriptions.

Your doctor may switch you onto new, non-interactive medications, or they may ask that you stop taking a drug during your dyphylline treatment. If this is an issue, talk to your doctor to find another solution. If the interaction is mild, your doctor may lower the dose of one or both medications so you can take them together.

Your doctor is prescribing this drug in your best interest, but if issues in your treatment arise, they may switch you to a new prescription.


This medication may be dangerous if you have a certain conditions or diseases. Be sure to talk to your doctor before taking this drug, only do so with their approval. Do not use this drug off-prescription, and always report for your check-ups. Your doctor may need to check your blood a few times over the course of your treatment with this drug. This is a precautionary measure to make sure that you are not reacting negatively to your prescription.

You should not use this drug during an asthma attack. Only use your rescue inhaler during attacks, do not use dyphylline as your primary asthma medication. Avoid caffeine intake while using this drug. Caffeine speeds up your heartbeat, which may cause increased side effects while using this drug. If this medication already makes you feel jittery or excitable, do not double up with chocolate or coffee.

If you require surgery while using this drug, let your doctor or surgeon know you are taking dyphylline. This drug may interact with anaesthetics, which can be dangerous during surgery. Always keep a list of your medications on file, try to have emergency measures in place. In a short-notice scenario, your surgeon should be able to find a list of your medications and take proper precautions.


Keep this drug in a dry, safe location. If this drug becomes wet, it may dissolve and lose efficacy. Do not use pills that have been exposed to water, and do not dissolve this drug in water or juice before taking it. Keep this drug in a sealed container and avoid storing it somewhere wet or humid.

Keep this drug away from direct sunlight or heat. This drug should be stored at room temperature, it does not require refrigeration. Do not freeze this drug, as this might reduce its efficacy. Do not take any medication that may be expired or otherwise ruined.

Store this medication away from children and pets. Keep it in its locked prescription bottle, and contact emergency services if overdose occurs. Be ready to tell them how much was taken, when it was taken, and what the drug is. Keep the prescription bottle on hand just in case.

If you need to dispose of excess or expired medication, seal it in a locked bottle and throw it in the garbage. Do not throw loose pills in the garbage, and do not give this drug to anyone else. If possible, look for medication take-back programs in your area. They should be hosted by pharmacies or hospitals, and they can be a good place to return unused medication.


This drug is only available via prescription. Talk to your doctor if you think you may need this medication, do not take this drug if you have experienced an allergic reaction to xanthine in the past. Allergy symptoms include swelling of the face and mouth, trouble breathing, and rash/blistering. Do not continue your prescription if you experience allergies, contact medical services if you think your life may be in danger.

Do not use this drug if your doctor advises you against it, and do not give this drug to anyone else. Even if they have similar symptoms, they may react badly to the drug or have a condition that can interact with this medication. Use and store this drug responsibly, do not leave it within reach of children or pets.

Dyphylline has a low rate of adverse reactions and may be a good treatment option for those suffering from asthma or bronchitis. Talk to your doctor if you think it may be a good choice for you.