Oral isotretinoin is the best treatment for patients with moderate acne in whom antibiotics are unsuccessful and for those with severe inflammatory acne. Dosage of isotretinoin is usually 1 mg/kg once/day for 16 to 20 wk, but the dosage may be increased to 2 mg/kg once/day.
Lots of different predators will prey upon other predators: Golden eagles are well known predators of smaller hawks. Collared lizards will eat other lizards. Crocodilians will feed on other predators, such as monitor lizards, snakes and even lions that come to the water to drink. Many snakes will eat other snakes. Some frogs, like the horned frogs of South America and the African bullfrog, readily feed on other frogs.
A predator is something that eats other animals.The prey is what gets eaten. In other words, the predator is the hunter and the prey is the hunted. A good example would be a cat and a mouse. The cat is the predator, and the mouse is the cat's prey.Good luck, I hope I helped! :] -A.J. lizard eats an insect. The insect is the prey, the lizard is the predator. A snake eats the lizard, the lizard just became the prey, and the snake is the predator. A hawk eats the snake, the snake became the prey and the hawk is the predator.