Lamisil is a product used to kill fungal infections such as ringworm and athlete's foot. There are natural alternatives to Lamisil in the form of antifungal herbs. Lamisil natural alternatives will still have an allergy warning and the risk of potential side effects, just like any other form of fungus treatment.
Pau d'arco
Pau d'arco is a South American herb used for prostate issues, fever, boils and pain. It contains two chemicals, lapachol and beta-lapachone, which can kill fungi, according to the University of Maryland Medical Center. It is available in tinctures, tablets and dried bark tea. Potential side effects are bleeding, vomiting, diarrhea, nausea, anemia and dizziness.
Cinnamon
Cinnamon is both a food flavoring and an herbal remedy. It has antifungal properties and has been deemed "generally recognized as safe," or GRAS, by the Food and Drug Administration. While some clinical tests show promise for cinnamon's antifungal use, according to Wellness.com, more testing is needed to show effectiveness. Potential side effects include acne, mouth sores, lip inflammation, decreased platelet count, skin rash and lowered blood sugar.
Tea Tree Oil
Tea tree oil's antimicrobial properties are thought to be from the compound terpinen-4-ol. Clinical trials have shown it useful for nail fungal infections and athlete's foot, according to Medline Plus. More testing is needed to determine its potential in antifungal situations. Possible side effects include allergy, redness, itching, blistering, weakness, nausea, diarrhea, stomach pain and confusion.
Garlic
Garlic is usually thought of as a cholesterol-lowering herb, but it is also an antifungal agent. Those with sensitivities may experience burns or a rash, but topical use of garlic can be a fungal infection remedy, according to Medline Plus. There is a risk of allergy for those with allergies to garlic or lilies. Potential side effects can include dizziness, sweating, itching, headache, chills, fever, runny nose, skin burns and asthma. It may also lower blood sugar levels.



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