Some of the migraine medications used to treat or prevent migraine headaches are also used for other conditions. Antidepressants, anticonvulsants, antihistamines, and narcotic pain relievers are all used in migraine therapy.
These insects either have hemimetabolous development, and undergo an incomplete or partial metamorphosis, or holometabolous development, which undergo a complete metamorphosis, including a pupal or resting stage between the larval and adult forms. In hemimetabolous insects, immature stages are called nymphs.
3) Hypermetamorphosis: This is specialized type of metamorphosis found in higher orders of Endopterygota insects. It is a type of complete metamorphosis in which different larval instars represent two or more markedly different types of larvae.