The FDA has approved Ragwitek to treat hay fever, with and without
conjunctivitis, caused by short ragweed pollen. The pill, to be taken
sublingually, contains an extract of short ragweed pollen.
Adults should take Ragwitek daily for 12 weeks before ragweed pollen
season begins and should continue to do so during the season. It will
contain a boxed warning alerting patients of the potential for severe
FDA news release