Most patients do not report side effects, but some may report minor mouth itching or stomach upset — especially when beginning treatment or as treatments become stronger. Most reactions go away on their own, or with antihistamines.

Report symptoms lasting more than an hour to your doctor.

Rarely, patients have reported hives with rash, swelling or itching on one or more parts of the body.

Angioedema, or swelling of the ears, tongue, lips, throat, hands, feet or intestines, has not been reported with the La Crosse Method Protocol, but requires immediate medical attention if it occurs.

Anaphylactic shock has not been reported using this protocol but has rarely occurred with other protocols. Patients with this history should have epinephrine available when taking drops.

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