You can minimize the swelling by icing or applying a cold compress
Agyemang V, Acquaye JK, Harrison SBE, Oppong FB, Gyaase S, Asante KP, Olayemi E (2020) Blood lead levels among blood donors and high-risk occupational groups in a mining area in ghana: implications for blood transfusion among vulnerable populations
Fatigue was reported by 44% at week four of 2.4mg, dropping to 22% by week eight as the body adjusted
Plamboeck A, Veedfald S, Deacon CF, Hartmann B, Vilsboll T, Knop FK, Holst JJ
The most serious concern is with vitamin B6, which can have moderate interactions with blood pressure medications (antihypertensives) by potentially lowering blood pressure further, and with seizure medications like phenobarbital and phenytoin, where high doses may reduce how well these drugs work