Are mistletoe injections good for you?
European mistletoe berries and leaves can cause serious harmful effects when taken orally. Injected european mistletoe extract may cause soreness and inflammation at the injection site, headache, fever, and chills. A few severe allergic reactions have been reported. Side effects from the use of mistletoe extracts include soreness and inflammation at injection sites, headache, fever, chills, nausea, and feeling very tired. A few cases of severe allergic reactions, including anaphylactic shock, have been reported.