* [[goldenseal]] has been attributed with the description anticatarrhal, antimicrobial and anti-inflammatory.
* [[tea tree oil]] works antimicrobial.
* [[Pau d'arco]] is an herb native to South America whose active ingredient lapachol, has been found to relieve a wide range of infections include those initiated by bacteria, viruses and fungus.
* [[Echinacea]] has been used for hundreds of years to strengthen the immune system and fight a variety of infections.
== Warnings ==