guaifenesin/dyphylline - oral, Dilor-G, Lufyllin-GG (cont.)
PRECAUTIONS: Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or to similar drugs (such as theophylline); or if you have any other allergies.Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as angina, fast/irregular heartbeat, heart failure, recent heart attack), high blood pressure, kidney disease, seizures, stomach/intestinal ulcer, overactive thyroid (hyperthyroidism).Liquid forms of this medication may contain sugar. If you have diabetes, consult your doctor or pharmacist about using these products safely.Before having surgery, tell your doctor or dentist that you are using this medication.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.This medication passes into breast milk. However, it is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: See also How to Use section.Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: lithium.Check the labels on all your medicines (such as cough-and-cold products, diet aids) because they may contain ingredients (such as ephedrine, pseudoephedrine, phenylephrine) that could increase the side effects of this medication. Ask your pharmacist about using those products safely.Also report the use of drugs which might increase seizure risk when combined with this medication including bupropion, isoniazid (INH), phenothiazines (such as thioridazine), tramadol, tricyclic antidepressants (such as amitriptyline), among others. Consult your doctor or pharmacist for details.This medication may interfere with certain laboratory tests (such as stress tests, uric acid levels), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this medication.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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