The homeopathic remedy Petroleum is for nausea, cracks in skin, heartburn, motion sickness. Petroleum is used for skin which is dry, sensitive, rough and cracked. Also for nostrils which are cracked and burn, moist eruption on scalp, vertigo on rising, nausea with accumulation of water in mouth, diarrhea in daytime. Modalities:: WORSE dampness; passive motion (riding in cars, etc.); winter; eating. BETTER warm air; lying with head elevated; dry weather. SOURCE: Robin Murphy Lotus Materia Medica
You can find Petroleum Pills at Remedy Source.