In mice models, Favipiravir has been shown to be beneficial both therapeutically and prophylactically. Many brand name drugs have cheaper generic drug substitutes that are therapeutically and biochemically equivalent. Finally, animals might effectively self-medicate, either prophylactically or therapeutically. Passing a nasogastric tube (NGT) is useful both diagnostically and therapeutically. They hypothesized that modified amino acids may be therapeutically useful in the treatment of epilepsy. Olanzapine is used therapeutically to treat serious mental illness. In some cases the less therapeutically active enantiomer can cause side effects. Mugwort has been used therapeutically to relieve sleepiness. Patients with these disorders frequently report using cannabis therapeutically. Therapeutically, fexofenadine is a selective peripheral H1-blocker. Its anticholinergic effects have been established as therapeutically significant in the management of Parkinsonism. As yet, therapeutically relevant microbes have not been specifically identified. Hypothermia has been applied therapeutically since antiquity. There is some concern about pesticide residues in essential oils, particularly those used therapeutically. It may also be used therapeutically in some conditions.