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Gris Peg

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Gris Peg

Gris Peg Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Gris-PEG (griseofulvin ultramicrosize) is used to treat fungal infections of the skin, hair, and nails such as jock itch, athlete's foot, and barber's itch. It is an antifungal medication. Common side effects include headache, nausea, vomiting, diarrhea, stomach upset, tiredness, dizziness, or trouble sleeping.

Dosage of Gris-PEG varies. In adults a daily administration of 375-750 mg (as a single dose or in divided doses) is recommended. Dose depends on the condition being treated. The pediatric dose for children over 2 years of age is approximately 3.3 mg per pound of body weight per day. Gris-PEG may interact with oral anticoagulants (blood thinners), birth control pills, salicylates such as aspirin and others, and cyclosporine. Tell your doctor all medications you are taking. Gris-PEG is not recommended for use during pregnancy. It may harm a fetus. Use of birth control is recommended during treatment and for 1 month after the drug is stopped. It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.

Our Gris-PEG (griseofulvin ultramicrosize) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Gris Peg in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, flu symptoms;
  • white patches or sores inside your mouth or on your lips;
  • confusion, trouble with daily activities;
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • severe skin reaction -- fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling;

Less serious side effects may include:

  • flushing (warmth, redness, or tingly feeling);
  • nausea, vomiting, or diarrhea;
  • headache, dizziness, feeling tired;;
  • sleep problems (insomnia);
  • confusion;
  • numbness or tingling in your hands or feet; or
  • menstrual irregularities.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Gris Peg (Griseofulvin) »

What is Patient Information Overview?

A concise overview of the drug for the patient or caregiver from First DataBank.

Gris Peg Overview - Patient Information: Side Effects

SIDE EFFECTS: Headache, nausea, vomiting, diarrhea, stomach upset, tiredness, dizziness, or trouble sleeping may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: numbness/tingling of the hands/feet, mental/mood changes (e.g., confusion, trouble doing normal activities), sunburn-like rash, hearing changes, butterfly-shaped facial rash (around the nose and cheeks), joint/muscle pain.

Tell your doctor immediately if any of these rare but very serious side effects occur: yellowing eyes/skin, stomach/abdominal pain, persistent nausea/vomiting, dark/frothy urine, change in the amount of urine, signs of infection (e.g., fever, persistent sore throat).

Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection (oral or vaginal fungal infection). Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the entire patient information overview for Gris Peg (Griseofulvin)»

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Gris Peg FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

When adverse reactions occur, they are most commonly of the hypersensitivity type such as skin rashes, urticaria, erythema multiform-like drug reactions, and rarely, angioneurotic edema, and may necessitate withdrawal of therapy and appropriate countermeasures. Paresthesias of the hands and feet have been reported rarely after extended therapy. Other side effects reported occasionally are oral thrush, nausea, vomiting, epigastric distress, diarrhea, headache, fatigue, dizziness, insomnia, mental confusion, and impairment of performance of routine activities. Proteinuria and leukopenia have been reported rarely. Administration of the drug should be discontinued if granulocytopenia occurs. When rare, serious reactions occur with griseofulvin, they are usually associated with high dosages, long periods of therapy, or both.

Read the entire FDA prescribing information for Gris Peg (Griseofulvin) »

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Gris Peg - User Reviews

Gris Peg User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Gris Peg sorted by most helpful. Patient Discussions FAQs

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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