Professional Formulas Flea Aid offers homeopathic support for relief of allergic skin inflammation and/or reactions to fleas and other like biting organisms. For the temporary relief of excessive itching, scratching, rubbing, or licking, particularly associated with allergies, fleas, or other biting organisms. Recommended Use: Place drops under tongue 30 minutes before/after meals. Take 10 to 15 drops up to 3 times per day. For immediate onset of symptoms, take 10 drops every 15 minutes up to 3 hours, then reduce to hourly for up to 8 hours. To prevent future symptoms, take 10 to 15 drops once weekly. Doses may be used orally, taken in water, or rubbed in vascular areas. Consult a veterinarian for use in small animals. Professional Formulas Flea Aid (Vet Line) Facts: 15 drops contain: Apis mellifica 3X Histaminum hydrochloricum 6X Ledum palustre 6X Pulsatilla 6X Sulphur 6X Urtica urens 6X Pulex irritans 12X Rhus toxicodendron 12X Staphysagria 12X Base Ingredients: Purified water, 10% ethanol, 8% vegetable glycerin (from soy).