Tobacco (Nicotiana tabacum).Plant Part Used: Leaf.Dominican Medicinal Uses: Leaves: poultice, topically, for wounds, skin infections, bug bites, sinus infection and headache.Safety: Cases of toxic effects in humans have been reported due to ingestion of the dried leaf or nicotine and excessive exposure to the fresh leaf.Contraindications: Pregnancy, lactation, children under 5 years.Laboratory & Preclinical Data: In vitro: acaricidal, antifungal, insecticidal (methanolic leaf extracts); antifungal (seed).* See entry for Tabaco in “Part 3: Dominican Medicinal Plant Profiles” of this book for more information, including references.