Complex sentence: Oral ingestion of aloe vera may also cause diarrhea, which in turn can lead to electrolyte imbalance, kidney dysfunction, dry mouth, headache, and nausea, while topical application may induce contact dermatitis, erythema, or phototoxicity.
Split into simpler sentences: Oral ingestion of "aloe vera" may also cause diarrhea, which in turn can lead to electrolyte imbalance, kidney dysfunction, dry mouth, headache and nausea. While topical application may induce contact dermatitis, erythema, or phototoxicity.