Allergic Reactions

Most common signs and symptoms can range from but not limited to the following:^52,61

• Localized redness

• Pruritis

• Edema

• Urticaria

• Conjunctivitis

• Rhinitis

In case of mild to moderate allergic reactions, administrating Antihistamines such as Diphenhydramine (Benadryl)-50 mg IM is highly recommended.

Potential triggers in dentistry may include:

1. Latex Allergy which is commonly seen in health care workers.

2. Aspirin or ASA hypersensitivity: This is also known as the Samter's Triad or ASA triad or Aspirin-Exacerbated Respirator Disease (AERD).⁶⁰ It is a chronic condition comprising of asthma, sinus inflammation with recurring nasal polyps, and aspirin sensitivity. The treating dentists are recommended to avoid ASA and update the medical records for future references.

3. Local Anesthetic Content allergy.

   1. Amide or Ester or Both

   2. Epinephrine or Levonordefrin

   3. Metabisulfite (used as preservative in local anesthetic carpules)