Griseofulvin for Ringworm
|Generic Name||Brand Name|
|griseofulvin||Grifulvin V, Gris-PEG|
Griseofulvin is taken as a pill (orally). It is available in liquid form for children.
You take it once or twice a day for 2 to 8 weeks. If your infection is severe, you may take griseofulvin for as long as 12 weeks.
Why It Is Used
It is the treatment of choice for children, because it is well tolerated and has a long history of safe use.1
How Well It Works
Griseofulvin is an effective treatment for ringworm.
You should take it with fatty foods for better absorption in the body.
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
- Usually the benefits of the medicine are more important than any minor side effects.
- Side effects may go away after you take the medicine for a while.
- If side effects still bother you and you wonder if you should keep taking the medicine, call your doctor. He or she may be able to lower your dose or change your medicine. Do not suddenly quit taking your medicine unless your doctor tells you to.
Call 911 or other emergency services right away if you have:
- Trouble breathing.
- Swelling of your face, lips, tongue, or throat.
Call your doctor right away if you have:
- Signs of Stevens-Johnson syndrome or toxic epidermal necrolysis, which can cause a sudden rash, blisters, purple spots or bumps, or other serious skin problems.
Common side effects of this medicine include:
- A yeast infection inside the mouth (thrush).
- An upset stomach, nausea, or vomiting.
- Dizziness or headache.
- Not being able to sleep (insomnia).
- Confused thoughts.
What To Think About
If you are taking antifungal pills, your doctor may monitor your blood count and liver and kidney function during treatment to watch for any bad side effects. This may not be needed in healthy children.
People who have certain diseases such as lupus and people who are allergic to penicillin should not take griseofulvin.
You should not take griseofulvin with some other medicines, such as birth control pills or blood thinners. Let your doctor know what other medicines you are taking.
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
Advice for women
Do not use this medicine if you are pregnant or planning to get pregnant. If you need to use this medicine, talk to your doctor about how you can prevent pregnancy.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Last Revised: December 21, 2012
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