4 months post op of Botox, I had nausea, tremors, chills, and muscle weakness. Is this normal?

hello. 4 months ago I had 50 units in the masseter Bocouture. failure and nearly half the botox was injected into muscle buccinator and masseter half in bringing down my cheeks. The first few days I had nausea, tremors, chills, muscle weakness and I took off at 2 weeks. Now that I fulfill 4 months I am having the same symptoms again. these symptoms have become because this toxin out of my body? the buccinator recover or remain stunted? Habre developed botulism? I never had problems like this before.