This tool is ONLY valid for those with a suspected penicillin allergy (ie. to penicillin, amoxicillin, ampicillin)
Has it been five years or less since your reaction?
When you had the reaction, was there swelling or a formal diagnosis of anaphylaxis?
When you had the reaction, was there any rash that looked like this?
When you had the reaction, was any treatment given besides stopping the penicillin? If you are unsure, say "Yes".
CALCULATED RISK:
To more accurately determine if you are appropriate for a challenge, answer the following:
Is there any chance you are pregnant?
Are you currently taking a beta-blocker (ie. bisoprolol)?
Have you been formally diagnosed with congestive heart failure, coronary plaque, heart valve issues, or an uncontrolled arrhythmia?
Do you have any of these lung issues?
Uncontrolled asthma Severe COPD Interstitial lung disease
Do you have any of the following?
Not well controlled ezcema Not well controlled allergic rhinitis (seasonal allergies) Hives or skin rashes normally Any "Mast cell" disorders A current infection

Recommendations

You are likely safe for oral challenge without referral to allergist. If an oral challenge is considered, it must be done in a medically monitored setting with appropriate tools and standby medications. Please see your family doctor or allergist for more details.