Did you tell them you are on Nolvadex? And simply do a search "nolvadex allergic reactions" on google and you will find these as the first two hits ( PS if you saw my first comment my apologies no time to be critical, I was just disapointed you had not already googled it.
Site One,
Allergic Reactions
•Allergic reactions are also considered to be serious side effects of Nolvalex. In cases of allergic reaction, it is crucial to get emergency medical help as soon as possible. Some signs of allergic reaction to Nolvadex are swelling of the tongue, lips, mouth, or face,
skin rash, chest tightness, breaking out into hives and difficulty with breathing.
Read more: Side Effects of Nolvadex | eHow.com
http://www.ehow.com/about_5347920_si...#ixzz1D7J0yFV3
Site Two,
Tamoxifen side effects
Get emergency medical help if you have any of these signs of an allergic reaction to tamoxifen: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using tamoxifen and call your doctor at once if you have a serious side effect such as:
sudden numbness or weakness, especially on one side of the body;
sudden severe headache, confusion, problems with vision, speech, or balance;
chest pain, sudden cough, wheezing, rapid breathing, fast heart rate;
pain, swelling, warmth, or redness in one or both legs;
nausea, loss of appetite, increased thirst, muscle weakness, confusion, and feeling tired or restless;
unusual vaginal bleeding or discharge;
irregular menstrual periods;
pain or pressure in your pelvic area;
blurred vision, eye pain, or seeing halos around lights;
easy bruising, unusual bleeding (nose, mouth, vagina, or rectum),
purple or red pinpoint spots under your skin;fever, chills, body aches, flu symptoms;
new breast lump; or
upper stomach pain, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Evidently this is not at all unheard of.