And just in case you take in too much through the eye
.....But I doubt that 1/1000 with have a huge effect.
Some less serious side effects: fast, or uneven heart beats, sweating, nausea and vomiting/dizziness, headache or feeling nervous or anxious.
Epinephrine auto-injectors (Epi-pen) can be prescribed by your Dr. as in the case with me because of my allergy to bee stings but it may be used for self-injection by a person with a history of an severe allergic reaction as well like allergies to seafood, pollen etc.