Make sure you are well-hydrated, that will help your body eliminate the sulfa reaction. Also, try taking Benadryl, Zyrtec, Claritin, or another antihistamine to see if that also helps. Vitamin B12 may also help, because it is necessary for the body's processing of some sulfur compounds.
Chronic Lyme Disease, Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, Anemia, Lymphopenia, intermittant Pancytopenia, chronic malabsorption/malnutrition, etc.; G Tube; Currently TPN-dependent.
Meds: Zofran, Pulmicort, Heparin (to flush PICC line), IV Cipro (for G-tube site infection).