"Scientists at the National Institutes of Health report they have discovered in mouse studies that a small molecule released in the spinal cord triggers a process that is later experienced in the brain as the sensation of itch.
When adverse reactions occur, they are most commonly of the hypersensitivity type such as skin rashes, urticaria and rarely, angioneurotic edema or erythema multiforme-like drug reaction, 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.
When rare, serious reactions occur with griseofulvin, they are usually associated with high dosages, long periods of therapy, or both.
Read the Grifulvin V (griseofulvin microsize) Side Effects Center for a complete guide to possible side effects
Patients on warfarin-type anticoagulant therapy may require dosage adjustment of the anticoagulant during and after griseofulvin therapy. Concomitant use of barbiturates usually depresses griseofulvin activity and may necessitate raising the dosage.
The concomitant administration of griseofulvin has been reported to reduce the efficacy of oral contraceptives and to increase the incidence of breakthrough bleeding.
Read the Grifulvin V Drug Interactions Center for a complete guide to possible interactions
Last reviewed on RxList: 9/16/2008
Additional Grifulvin V Information
- Grifulvin V Drug Interactions Center: griseofulvin microsize oral, griseofulvin ultramicrosize oral
- Grifulvin V Side Effects Center
- Grifulvin V in detail including Side Effects and Drug Images
- Grifulvin V Overview including Precautions
- Grifulvin V FDA Approved Prescribing Information including Dosage
Grifulvin V - User Reviews
Grifulvin V User Reviews
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