Multivitamin Allergies
A vitamin allergy is uncommon. Taking a multivitamin is a seemingly healthy thing to do, but for people who are allergic to multivitamins, it can cause unpleasant symptoms. Some symptoms that develop after taking a multivitamin are not related to an allergy. They may include common side effects of taking a multivitamin, such as nausea, an upset stomach and headaches, according to Drugs.com. A vitamin allergy is considered uncommon, but can occur to anyone at any age....