Tonic Allergy

is a physical defect that raises the chance of reacting adversely to tonics up to 33% (up from the default 5% for mutants). Creatures with this defect also may have a random adverse reaction in response to or, which don't ordinarily cause adverse reactions. The effect is chosen randomly from other adverse tonic reactions.

Advantages

 * Provides four extra points for choosing other starting mutations

Disadvantages

 * Makes all injectors riskier to use
 * Can cause random adverse reactions in response to or, making using these items to heal risky