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What is Jay-Phyl (Guaifen/dyphylline-Oral) ?

Can I buy Jay-Phyl without Health Insurance, Medicare or Medicaid? Check and see if we carry Jay-Phyl in our prescription list!

What Alternate Names Are There For Jay-Phyl? Panfil G, Dyphyl-G

How is Jay-Phyl (Guaifen/dyphylline-Oral) Pronounced? gweye-FEN-eh-sin WITH dye-FILL-in

Who is the Manufacturer of Jay-Phyl? Pharmakon Labs

What is Jay-Phyl Used For? Guaifenesin is an expectorant which helps to loosen mucus. Dyphylline acts to widen air passages in the lungs to make breathing easier. This combination medication is used to relieve symptoms associated with the common cold, allergies, hay fever, sinusitis and other respiratory illnesses.

How To Use Jay-Phyl
Take Jay-Phyl as prescribed. Be sure to follow instructions closely. Do not increase your dose or take this more often than directed. Jay-Phyl is best taken with a full glass of water after a meal or snack.

Jay-Phyl Side Effects
Headache, stomach upset, loss of appetite, nausea, anxiety, irritability or nervousness may occur the first several days as your body adjusts to the medication. If any of these effects continue or become bothersome, inform your doctor. Notify your doctor if you develop: chest pain, fast/irregular heartbeat, rash, vomiting, trouble sleeping, dizziness, flushing, tremors, mental confusion. Notify your doctor if your breathing difficulty continues or worsens. If you notice other effects not listed above, contact your doctor or pharmacist.

Jay-Phyl Precautions
Tell your doctor your medical history, especially of: kidney disease, heart disease, lung disease (e.g., asthma, emphysema), high blood pressure, history of ulcers or seizures, glaucoma, any allergies. Smoking can reduce the effects of Jay-Phyl. Inform your doctor if you smoke before taking this. Limit your intake of caffeine containing products while taking Jay-Phyl as it can increase the risk of side effects. Caffeine is found in coffee, tea, cola, cocoa and chocolate. Jay-Phyl should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of Jay-Phyl are found in breast milk, consult your doctor before breast-feeding.

Jay-Phyl Drug Interactions
Tell your doctor of any over-the-counter or prescription medication you may take including: blood pressure medicine, anti-seizure drugs, antibiotics, steroids, thyroid hormones, water pills (diuretics). Do not start or stop any medicine without doctor or pharmacist approval.

Jay-Phyl Overdose
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include nausea, vomiting, diarrhea, restlessness, irritability, headache, difficulty sleeping, loss of appetite, irregular heart rate, sweating, and seizures.

Missed Jay-Phyl Dose
If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not double-up the dose to catch up.

Jay-Phyl Storage
Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.


Generic and Namebrand Variations
Label NameUnitPackageColorShapeFlavorNDC
Dyphyl-G Syrup Bottle 00551022001
Jay-Phyl Syrup Ml Bottle Orange Vanilla 55422081416
Panfil G Syrup Ml Bottle Orange Vanilla 00525037616


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