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LGG Side Effects

Generic Name: dyphylline / guaifenesin

Note: This document contains side effect information about dyphylline / guaifenesin. Some of the dosage forms listed on this page may not apply to the brand name LGG.

For the Consumer

Applies to dyphylline / guaifenesin: oral liquid

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
  • A fast heartbeat.
  • A heartbeat that does not feel normal.
  • Fast breathing.
  • Very bad dizziness or passing out.
  • Seizures.
  • Throwing up blood or throw up that looks like coffee grounds.
  • Blood in the urine.
  • Feeling irritable.
  • Feeling agitated.
  • Twitching.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Feeling nervous and excitable.
  • Restlessness.
  • Upset stomach or throwing up.
  • Headache.
  • Loose stools (diarrhea).
  • Belly pain.
  • Not able to sleep.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

For Healthcare Professionals

Applies to dyphylline / guaifenesin: oral capsule, oral liquid, oral syrup, oral tablet

Cardiovascular

Cardiovascular side effects have included palpitations, tachycardia, extrasystoles, flushing, hypotension, circulatory failure, and ventricular arrhythmias.[Ref]

Endocrine

Endocrine side effects have included hyperglycemia and inappropriate ADH syndrome.[Ref]

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, epigastric pain, hematemesis and diarrhea.[Ref]

Nervous system

Nervous system side effects have included headache, irritability, restlessness, insomnia, hyperexcitability, agitation, muscle twitching, and generalized clonic and tonic convulsions.[Ref]

Renal

Renal side effects have included albuminuria, diuresis and both gross and microscopic hematuria.[Ref]

References

1. "Product Information. Panfil G (dyphylline-guaifenesin)." Pamlab LLC, Mandeville, LA.

Some side effects of LGG may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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